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WO2023103930A1 - 内窥镜 - Google Patents

内窥镜 Download PDF

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Publication number
WO2023103930A1
WO2023103930A1 PCT/CN2022/136449 CN2022136449W WO2023103930A1 WO 2023103930 A1 WO2023103930 A1 WO 2023103930A1 CN 2022136449 W CN2022136449 W CN 2022136449W WO 2023103930 A1 WO2023103930 A1 WO 2023103930A1
Authority
WO
WIPO (PCT)
Prior art keywords
knob
brake
pulley
housing
valve
Prior art date
Application number
PCT/CN2022/136449
Other languages
English (en)
French (fr)
Inventor
易锋
黎静
谭晓锋
Original Assignee
广州瑞派医疗器械有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州瑞派医疗器械有限责任公司 filed Critical 广州瑞派医疗器械有限责任公司
Priority to US18/689,309 priority Critical patent/US20240366075A1/en
Priority to JP2024516880A priority patent/JP2024531772A/ja
Priority to EP22903352.7A priority patent/EP4382023A4/en
Publication of WO2023103930A1 publication Critical patent/WO2023103930A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • A61B1/0052Constructional details of control elements, e.g. handles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002Operational features of endoscopes
    • A61B1/00039Operational features of endoscopes provided with input arrangements for the user
    • A61B1/00042Operational features of endoscopes provided with input arrangements for the user for mechanical operation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00066Proximal part of endoscope body, e.g. handles
    • A61B1/00068Valve switch arrangements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00071Insertion part of the endoscope body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00112Connection or coupling means
    • A61B1/00121Connectors, fasteners and adapters, e.g. on the endoscope handle
    • A61B1/00128Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131Accessories for endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • A61B1/0055Constructional details of insertion parts, e.g. vertebral elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • A61B1/0057Constructional details of force transmission elements, e.g. control wires
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A61B1/015Control of fluid supply or evacuation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/12Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
    • A61B1/126Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning in-use

Definitions

  • the invention relates to the technical field of medical instruments, in particular to an endoscope.
  • An endoscope is a detection instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. It has image sensors, optical lenses, lighting sources, and mechanical devices. An important auxiliary medical instrument for organ lesions, widely used in various surgical operations. At present, endoscope products are mostly reusable products, which need to be sterilized by strict disinfection procedures after each use.
  • a traditional endoscope includes a handle, an insertion tube, a snake bone, a tip and a host.
  • the snake bone is controlled to bend in four directions through the knob device, so as to realize the four-way observation of the endoscope.
  • the overall structural layout of the traditional endoscope is unreasonable, and limited by the structural design defects of the endoscope, it is not convenient to operate when controlling the bending of the snake bone and the brake knob device.
  • An endoscope the endoscope includes: a housing, the housing is provided with a first mounting hole communicating with the inside and outside of the housing; a knob device, the knob device includes a The first wire pulley and the second wire pulley inside the housing and the first knob and the second knob located outside the housing, the first wire pulley protrudes out of the housing through the first installation hole, the The first wire pulley is provided with a first hole, the second wire pulley protrudes out of the housing through the first hole, the first knob is sleeved on the first wire pulley, the The second knob is superimposed on the first knob and sleeved on the second pulley; the brake device, the brake device includes a first brake assembly and a second brake assembly, the first The brake assembly is arranged between the first pulley and the housing, and is used to brake the first knob or the first pulley, and the second brake assembly is arranged on the back of the second knob. To the side of the first knob, and used to brake the second knob or
  • the first knob is rotated to drive the first wire pulley to rotate in the housing; after the first wire pulley rotates, the pulley pulls one side of the snake bone to make it bend up and down.
  • the first pulley or the first knob is braked by the first brake assembly, so that the pull wire cannot be pulled, so that the snake bone remains bent at a specific angle.
  • rotating the second knob drives the second wire pulley to rotate in the casing; after the second wire pulley rotates, it pulls one side of the snake bone through the pull wire to make it bend left and right.
  • the second pulley or the second knob is braked by the second brake assembly, so that the pull wire cannot be pulled, so that the snake bone remains bent at a specific angle.
  • the bending control of the snake bone in four directions can be stably realized, and the stability of operation can be improved.
  • the second pulley passes through the first pulley through the first hole; at the same time, the first knob and the second knob are stacked outside the casing, and the first brake assembly is located between the first pulley and the casing. In between, the second brake assembly is set on the side of the second knob facing away from the first knob.
  • This arrangement makes the structure of the endoscope more compact and the arrangement more reasonable, so that it is convenient for the operator to accurately and quickly distinguish the snake bones during operation.
  • the up and down bending and left and right bending make the operation more convenient and help to improve the reliability of the operation.
  • the first brake assembly includes a first fixed frame, a first brake button, and at least two first brake parts slidingly arranged on the first fixed frame, and the first The fixing frame is positioned on the housing, the first brake button is sheathed outside the first fixing frame, and when the first brake button rotates, it can push the first brake member to slide to hold Tighten the first knob or the first cable pulley.
  • the first fixing frame is provided with a first working chamber for the first pulley to penetrate, and the first knob extends into the first working chamber and is sheathed in the first working chamber.
  • the first brake knob rotates, it can push the first brake member into the first working chamber and hold the first knob tightly.
  • the knob device further includes a first bracket arranged in the housing, a second hole is formed through the second pulling wheel, and the first bracket passes through the second hole. and extend out of the casing, the second braking assembly is mounted on the first bracket.
  • the second brake assembly includes a second fixed frame, a second brake button, and at least two second brake parts slidingly arranged on the second fixed frame, and the second The fixing frame is positioned on the first bracket, the second brake button is sheathed outside the second fixing frame, and when the second brake button rotates, it can push the second brake member to slide to Hold the second knob or the second cable pulley tightly.
  • the first bracket is provided with a first fixing hole
  • the second brake button is provided with a second fixing hole corresponding to the first fixing hole
  • the first fixing hole Fasteners pass through the hole and the second fixing hole, so that the second brake button is rotatably mounted on the first bracket.
  • the second knob is provided with a braking ring
  • the second fixing frame is provided with a second working chamber for the braking ring to penetrate.
  • the second braking member can be pushed into the second working chamber and tightly embrace the braking ring.
  • the endoscope also includes an air-water valve and a tip end arranged on the snake bone, the air-water valve is embedded in the housing, and the inner wall of the housing is provided with There is a first plugging part, and the air-water valve is provided with a second plugging part that fits with the first plugging part.
  • the endoscope further includes a negative pressure valve, the negative pressure valve is embedded in the casing, and a third insertion part is provided on the inner wall of the casing, and the negative pressure valve The valve is provided with a fourth plug-in portion that fits in with the third plug-in portion.
  • the endoscope further includes a three-way valve
  • the inner wall of the housing is provided with a fifth socket
  • the three-way valve is provided with a valve that is plugged and fitted with the fifth socket.
  • the sixth socket part of the three-way valve is provided with a first port, a second port and a third port that communicate with each other, the first port communicates with the negative pressure valve, and the second port is used for It communicates with the instrument channel valve, and the third port is used to communicate with the instrument channel of the tip head.
  • Fig. 1 is a schematic structural view of an endoscope described in an embodiment
  • Fig. 2 is a sectional view of the internal structure of an endoscope described in an embodiment
  • Fig. 3 is a sectional view of a handle structure of an endoscope described in an embodiment Two
  • Fig. 4 is a schematic enlarged view of the structure of circle A in Fig. 3
  • Fig. 5 is a schematic diagram of an explosion of an endoscope structure described in an embodiment
  • Fig. 6 is a schematic view of the structure of the first wire pulley described in an embodiment
  • Fig. 7 is a first structural schematic diagram of the first knob described in an embodiment
  • FIG. 8 is a second structural schematic diagram of the first knob described in an embodiment
  • FIG. 1 is a schematic structural view of an endoscope described in an embodiment
  • Fig. 2 is a sectional view of the internal structure of an endoscope described in an embodiment
  • Fig. 3 is a sectional view of a handle structure of an endoscope described in
  • FIG. 9 is a first structural schematic diagram of the second bracket described in an embodiment;
  • Fig. 10 is a schematic diagram of the second support structure described in an embodiment;
  • Fig. 11 is a schematic diagram of the second cable wheel structure described in an embodiment;
  • Fig. 12 is a structure of the second cable wheel described in an embodiment Schematic diagram 2;
  • Fig. 13 is a structural schematic diagram of the second knob described in an embodiment;
  • Fig. 14 is a schematic structural diagram of the second knob described in an embodiment 2;
  • Fig. 15 is a structural schematic diagram of the first knob described in an embodiment An exploded perspective view of the moving assembly structure;
  • FIG. 16 is another exploded perspective view of the first brake assembly structure described in an embodiment;
  • FIG. 17 is a schematic structural diagram of the first fixed frame described in an embodiment;
  • FIG. 17 is a schematic structural diagram of the first fixed frame described in an embodiment;
  • FIG. 18 is A schematic structural view of the first brake component described in one embodiment;
  • Figure 19 is an exploded perspective view of the structure of the second brake assembly described in one embodiment;
  • Figure 20 is a perspective view of the second brake assembly described in one embodiment Another exploded perspective view of the assembly structure;
  • Figure 21 is a schematic structural view of the second fixing frame described in an embodiment;
  • Figure 22 is a schematic structural view of the second brake member described in an embodiment;
  • Figure 23 is a schematic structural view of the second brake member described in an embodiment The structure diagram of the first shell;
  • FIG. 24 is an enlarged schematic diagram of the structure at circle B in FIG. 23;
  • FIG. 25 is an enlarged schematic diagram of the structure at circle D in FIG. 23;
  • FIG. 24 is an enlarged schematic diagram of the structure at circle B in FIG. 23;
  • FIG. 25 is an enlarged schematic diagram of the structure at circle D in FIG. 23;
  • FIG. 24 is an enlarged schematic diagram of the structure at circle B in FIG. 23;
  • FIG. 25 is an
  • FIG. 26 is a schematic diagram of the structure of the second shell described in an embodiment ;
  • Figure 27 is a schematic enlarged view of the structure at circle C in Figure 26;
  • Figure 28 is a schematic structural view of the air-water valve described in an embodiment;
  • Figure 29 is a cross-sectional view of the structure of the air-water valve described in an embodiment;
  • Figure 30 is a Schematic diagram of the structure of the negative pressure valve described in the embodiment;
  • FIG. 31 is a cross-sectional view of the structure of the negative pressure valve described in the embodiment;
  • FIG. 32 is a schematic diagram of the structure of the three-way valve described in the embodiment.
  • an endoscope includes: a housing 100 , a knob device 200 , a braking device 300 and a snake bone 800 .
  • the housing 100 is provided with a first installation hole 111 communicating with the inside and outside of the housing 100 .
  • the knob device 200 includes a first pulley 210 and a second pulley 220 rotatably installed in the housing 100 , and a first knob 230 and a second knob 240 outside the housing 100 .
  • the first wire pulley 210 protrudes out of the casing 100 through the first installation hole 111 , and the first wire pulley 210 is penetratingly provided with a first through hole 211 .
  • the second pulling wheel 220 protrudes out of the housing 100 through the first through hole 211, the first knob 230 is sleeved on the first pulling wheel 210, the second knob 240 is stacked on the first knob 230 and sleeved on the second On the guy wheel 220.
  • the brake device 300 includes a first brake assembly 310 and a second brake assembly 320 .
  • the first brake assembly 310 is disposed between the first wire pulley 210 and the housing 100 , and is used for braking the first knob 230 or the first wire pulley 210 .
  • the second brake assembly 320 is disposed on the side of the second knob 240 facing away from the first knob 230 , and is used for braking the second knob 240 or the second pulley 220 .
  • the snake bone 800 is located outside the casing 100 and is connected to the first wire pulley 210 and the second wire pulley 220 respectively through a pull wire.
  • the above-mentioned endoscope when in use, rotates the first knob 230 to drive the first wire pulley 210 to rotate in the housing 100; after the first wire pulley 210 rotates, it pulls one side of the snake bone 800 through the pull wire to make it Bending in the up and down direction occurs.
  • the first brake assembly 310 brakes the first pulley wheel 210 or the first knob 230 so that the pull wire cannot be pulled, so that the serpentine 800 remains bent at a specific angle.
  • rotating the second knob 240 drives the second wire pulling wheel 220 to rotate in the housing 100; after the second wire pulling wheel 220 rotates, it pulls one side of the snake bone 800 through the pulling wire to make it bend left and right.
  • the second brake assembly 320 brakes the second pulley 220 or the second knob 240 so that the pull wire cannot be pulled, so that the serpentine 800 remains bent at a specific angle.
  • the bending control of the serpentine 800 in four directions can be stably realized, and the stability of operation can be improved.
  • the second pulley 220 passes through the first pulley 210 through the first hole 211; at the same time, the first knob 230 and the second knob 240 are stacked outside the casing 100, and the first brake assembly 310 Located between the first pulley 210 and the housing 100, the second brake assembly 320 is arranged on the side of the second knob 240 facing away from the first knob 230, so that the structure of the endoscope is more compact and the arrangement is more reasonable.
  • the first braking assembly 310 includes a first fixing frame 311 , a first braking button 313 and at least two first braking members 312 slidingly arranged on the first fixing frame 311 .
  • the first fixing frame 311 is positioned on the casing 100 , and the first stop button 313 is sleeved on the outside of the first fixing frame 311 .
  • the first brake button 313 When the first brake button 313 is rotated, it can push the first brake member 312 to slide so as to hold the first knob 230 or the first pulley 210 tightly.
  • the "preset angle” should be understood as: when the first pulley 210 needs to be braked, after the first brake button 313 rotates a certain angle clockwise or counterclockwise around the rotation axis, the first brake The moving button 313 pushes the first stopper 312 to move.
  • the angle may take any angle value from 0° (not including 0°) to 360° (not including 360°).
  • the first fixing frame 311 is provided with a first working cavity 3111 .
  • the first knob 230 protrudes into the first working chamber 3111 and sleeves on the first pulley 210 .
  • the first brake button 313 rotates, it can push the first brake member 312 into the first working chamber 3111 and hold the first knob 230 tightly. In this way, through the first working chamber 3111 , the connection between the first knob 230 and the first wire pulley 210 is realized.
  • At least two first slide slots 3112 are provided on the first fixing frame 311 around the first working cavity 3111 at intervals.
  • One end of each first chute 3112 communicates with the first working chamber 3111 , and the other end communicates with the outside of the first fixing frame 311 .
  • Each of the first stoppers 312 is slidably installed in each of the first slide slots 3112 one by one, and the first stoppers 312 pass through the first slide slots 3112 and protrude out of the first fixing frame 311 .
  • At least two first pushing parts 3133 are arranged at intervals on the inner wall of the first brake button 313. When the first brake button 313 rotates to a preset angle, each first pushing part 3133 pushes each first brake one by one. The member 312 moves toward the first working chamber 3111 to hug the first knob 230 tightly.
  • the first stoppers 312 are slidably disposed in the first sliding slot 3112 one by one, and ensure that the first stoppers 312 protrude out of the first fixing frame 311 through the first sliding slot 3112 .
  • the first brake button 313 sleeved on the outside of the first fixed frame 311 is rotated to a preset angle, the first pushing part 3133 on its inner wall will contact the first brake piece 312 and push the first brake piece 312 Move in the first chute 3112. Since the first chute 3112 communicates with the first working chamber 3111, each first braking member 312 protrudes into the first working chamber 3111 under the push of the first pushing part 3133, and finally hugs tightly in the first working chamber 3111.
  • the first brake part 312 On the knob 230, to realize the braking of the first cable pulley 210. In this way, through the cooperation structure between the first brake part 312 and the first brake button 313, the first brake part 312 is directly driven to move in the first slide groove 3112 during the braking process, so that the first pull wire can be realized.
  • the braking of the wheel 210 has an ingenious and simple structural design, direct and effective transmission of the braking force, and ensures a better braking effect of the knob.
  • the first stop button 313 includes a first button body 3131 and a first collar 3132 disposed on the first button body 3131 .
  • the first ring 3132 is sleeved on the outside of the first fixing frame 311 , and the first pushing portion 3133 is disposed on the inner wall of the first ring 3132 . In this way, when the first ring sleeve 3132 is driven to rotate outside the first fixed frame 311 , the first pushing portion 3133 on its inner wall will contact the protruding part of the first stopper 312 and push the first stopper 312 move.
  • connection method of the first pushing part 3133 on the first collar 3132 may be, but not limited to, bolt connection, screw connection, clip connection, welding, riveting, pin connection, integral molding and the like.
  • the first pushing portion 3133 is formed by the inner wall of the first collar 3132 protruding toward the center of the first collar 3132 , that is, the first pushing portion 3133 and the first collar 3132 are One-piece structure, which makes its production more convenient.
  • first pushing parts 3133 there are three first pushing parts 3133 , first braking members 312 and first slide slots 3112 .
  • Three first sliding slots 3112 are arranged at intervals around the circumference of the first working chamber 3111 .
  • the three first pushing parts 3133 are arranged at intervals along the circumference of the first collar 3132 .
  • the first braking button 313 is provided with a first toggle portion 3134 .
  • the first toggle portion 3134 extends along the radial protrusion of the first stop button 313, so that the operator can drive the first stop button 313 to rotate, so as to improve the operability of the product.
  • a first positioning portion 3113 is disposed on the first fixing frame 311 .
  • the first positioning part 3113 cooperates with the second positioning part 121 on the housing 100 to restrict the rotation of the first fixing frame 311 with the first knob 230, so that the first positioning part 3113 cooperates with the second positioning part 121, so that The first fixing frame 311 is in a relatively fixed state, so that the first stopper 312 hugs the first knob 230 tightly.
  • the first positioning part 3113 is a convex structure
  • the second positioning part 121 is a hole or groove structure
  • the first positioning part 3113 is a hole or groove structure
  • the second positioning part 121 is a convex structure.
  • the first positioning portion 3113 is a positioning slot on the first fixing frame 311 .
  • the second positioning portion 121 is a positioning protrusion.
  • first positioning parts 3113 there are multiple first positioning parts 3113 .
  • a plurality of first positioning portions 3113 are arranged at intervals around the first working chamber 3111 , so that the rotation restriction effect of the first fixing frame 311 is better through the cooperation of the plurality of first positioning portions 3113 with the plurality of second positioning portions 121 .
  • the first stop button 313 is provided with an arc-shaped groove 3135 .
  • the arc-shaped groove 3135 is arranged around the first working chamber 3111, and the arc-shaped groove 3135 is used to cooperate with the limit post 120 on the housing 100 to limit the rotation range of the first stop button 313, thus, through the first arc-shaped groove 3135, to effectively limit the rotation range of the first brake button 313, so as to avoid structural instability caused by excessive rotation.
  • the knob device 200 further includes a first bracket 260 disposed in the casing 100 .
  • a second through hole 221 is formed through the second pulling wheel 220 .
  • the first bracket 260 passes through the second through hole 221 and extends out of the casing 100 .
  • the second brake assembly 320 is installed on the first bracket 260 . In this way, through the first bracket 260 , the second brake assembly 320 can stably brake the second knob 240 or the second pulley 220 .
  • the second braking assembly 320 includes a second fixing frame 321 , a second braking button 323 and at least two second braking members 322 slidingly arranged on the second fixing frame 321 .
  • the second fixing frame 321 is positioned on the first bracket 260 .
  • the second brake button 323 is sheathed on the outside of the second fixing frame 321 , and when the second brake button 323 rotates, it can push the second brake member 322 to slide to hold the second knob 240 or the second pulley 220 tightly.
  • the "preset angle” should be understood as: when the second pulley 220 needs to be braked, after the second brake button 323 rotates a certain angle clockwise or counterclockwise around the rotation axis, the second brake The moving button 323 pushes the second stopper 322 to move.
  • the angle may take any angle value from 0° (not including 0°) to 360° (not including 360°).
  • a first fixing hole 262 is formed through the first bracket 260 .
  • a second fixing hole 3236 corresponding to the first fixing hole 262 is formed on the second stop button 323 .
  • the fastener 700 passes through the first fixing hole 262 and the second fixing hole 3236 , so that the second stop button 323 is rotatably mounted on the first bracket 260 .
  • it can not only ensure that the second brake button 323 is stably installed on the first bracket 260, but also ensure that the second brake button 323 can rotate relative to the second fixed frame 321, so that The braking of the second pulley 220 is achieved.
  • the second knob 240 is provided with a braking ring 245 .
  • the second fixing frame 321 is provided with a second working cavity 3211 for the brake ring 245 to pass through.
  • the second brake button 323 rotates, it can push the second brake member 322 into the second working chamber 3211 and hold the brake ring 245 tightly. In this way, by setting the brake ring 245 on the second knob 240 , the second brake member 322 can stably hug the second knob 240 to realize stable braking.
  • the side of the second knob 240 facing away from the first knob 230 is provided with a mounting groove 243 for the second brake button 323 to be inserted into.
  • a first protrusion 233 is disposed on a wall of the installation groove 243 .
  • the first protrusion 233 is disposed around the second pulling wheel 220 .
  • the brake ring 245 is sleeved on the first protrusion 233, so that the brake ring 245 is stably installed, which is convenient for the second brake assembly 320 to stably brake the rotation of the second knob 240, so that the bending angle of the snake bone 800 It is fixed so that the operator can observe the image at a specific angle.
  • the second fixing frame 321 is provided with a third positioning portion 3213 .
  • the third positioning part 3213 is positioned and matched with the fourth positioning part 261 on the first bracket 260 to limit the rotation of the second fixing frame 321 with the second knob 240 , thus, through the cooperation between the third positioning part 3213 and the fourth positioning part 261 , Make the second fixing frame 321 in a relatively fixed state, so that the second stopper 322 can hold the second knob 240 tightly.
  • the third positioning part 3213 is a convex structure
  • the fourth positioning part 261 is a hole or groove structure
  • the third positioning part 3213 is a hole or groove structure
  • the fourth positioning part 261 is a convex structure
  • the third positioning portion 3213 is a positioning protrusion on the second fixing bracket 321 .
  • the fourth positioning portion 261 is a positioning groove.
  • FIG. 21 there are multiple third positioning parts 3213 .
  • a plurality of third positioning portions 3213 are arranged at intervals around the second working cavity 3211 , so that the rotation restriction effect of the second fixing frame 321 is better through cooperation of the plurality of third positioning portions 3213 with the plurality of fourth positioning portions 261 .
  • At least two second sliding grooves 3212 are arranged on the second fixing frame 321 around the second working cavity 3211 at intervals.
  • One end of each second chute 3212 communicates with the second working chamber 3211 , and the other end communicates with the outside of the second fixing frame 321 .
  • Each of the second stoppers 322 is slidably installed in each of the second sliding slots 3212 one by one, and the second stoppers 322 pass through the second sliding slots 3212 and protrude out of the second fixing frame 321 .
  • At least two second push parts 3233 are arranged at intervals on the inner wall of the second brake button 323. When the second brake button 323 rotates to a preset angle, each second push part 3233 pushes each second brake one by one. The member 322 moves toward the second working chamber 3211 to hug the second knob 240 tightly.
  • the second stoppers 322 are slid one by one in the second sliding groove 3212 , and ensure that the second stoppers 322 pass through the second slideway 3212 and protrude out of the second fixing frame 321 .
  • the second brake button 323 sleeved on the second fixed frame 321 is rotated to a preset angle, the second pushing part 3233 on its inner wall will contact the second brake piece 322 and push the second brake piece 322 Move in the second chute 3212. Since the second chute 3212 communicates with the second working chamber 3211, each second brake piece 322 protrudes into the second working chamber 3211 under the push of the second pushing part 3233, and finally hugs the second working chamber 3211 tightly.
  • the second brake part 322 is directly driven to move in the second slide groove 3212 during the braking process, and the second pull wire can be realized.
  • the braking of the wheel 220 has an ingenious and simple structural design, direct and effective transmission of the braking force, and ensures a better braking effect of the knob.
  • the second brake button 323 includes a second button body 3231 and a second collar 3232 disposed on the second button body 3231 .
  • the second ring 3232 is sheathed on the outside of the second fixing frame 321 , and the second pushing portion 3233 is disposed on the inner wall of the second ring 3232 .
  • the second pushing portion 3233 on its inner wall will come into contact with the protruding part of the second stopper 322 and push the second stopper 322 move.
  • connection method of the second pushing part 3233 on the second collar 3232 may be, but not limited to, bolt connection, threaded connection, clip connection, welding, riveting, pin connection, integral molding and the like.
  • the second pushing part 3233 is formed by the inner wall of the second collar 3232 protruding toward the center of the second collar 3232 , that is, the second pushing part 3233 and the second collar 3232 are integrated. , which makes its production more convenient.
  • second pushing parts 3233 there are three second pushing parts 3233 , second braking members 322 and second slide slots 3212 .
  • Three second sliding slots 3212 are arranged at intervals around the circumference of the second working chamber 3211 .
  • Three second pushing parts 3233 are arranged at intervals along the circumferential direction of the second collar 3232 .
  • the second brake button 323 is provided with a second toggle portion 3234 .
  • the second toggle portion 3234 extends along the radial protrusion of the second stop button 323 , which is convenient for the operator to drive the second stop button 323 to rotate, so as to improve the operability of the product.
  • the inner wall of the second brake button 323 is provided with a first limiting block 3235
  • the outer wall of the second fixing frame 321 is provided with a second limiting block 3214 .
  • a limit block 3235 cooperates with the second limit block 3214 to limit the rotation range of the second stop button 323 .
  • the first chute 3112 and the second chute 3212 both include a first trough segment 31121 , a second trough segment 31122 and a third trough segment 31123 which are sequentially connected.
  • the first groove section 31121 communicates with the first working chamber 3111 or the second working chamber 3211 .
  • the third slot section 31123 is used to communicate with the outside of the first fixing frame 311 or the second fixing bracket 321, the first stopper 312 or the second stopper 322 is slidably installed in the second slot section 31122, and the first stopper One end of the moving part 312 or the second braking part 322 extends into the first slot section 31121 , and the other end passes through the third slot section 31123 and protrudes out of the corresponding fixing frame.
  • the first chute 3112 and the second chute 3212 are designed into a three-section structure. Before braking, one end of the first brake piece 312 or the second brake piece 322 protrudes through the third groove section 31123 correspondingly.
  • the first brake piece 312 or the second brake piece 322 When braking, the first brake piece 312 or the second brake piece 322 is pushed so that the other end passes through the first slot section 31121 and extends into the first working chamber 3111 or the second working chamber 3211 to hold the first knob 230 or the second knob 240 tightly.
  • the first braking member 312 and the second braking member 322 both include a main body portion 3121 , and holding portions 3122 and transmission portions 3123 respectively disposed at opposite ends of the main body portion 3121 .
  • the clasping portion 3122 is located in the first groove segment 31121 .
  • the transmission part 3123 is located in the third slot section 31123 and partially protrudes out of the first fixing frame 311 or the second fixing frame 321 .
  • the main body part 3121 is slidably installed in the second slot section 31122 .
  • the transmission part 3123 partially passes through the third groove section 31123 and protrudes out of the fixing frame; when the main body part 3121 and the adjacent second groove section 31123 When the limiting wall 31124 of the first groove section 31121 is matched, the clasping part 3122 passes through the first groove section 31121 and extends into the working cavity.
  • the limit wall 31124 between the first groove segment 31121 and the second groove segment 31122, the second groove segment 31122 and the third groove segment 31123 is used to limit the movement stroke of the main body part 3121 in the second groove segment 31122.
  • connection methods of the clasping part 3122 and the transmission part 3123 on the main body part 3121 may be, but not limited to, bolt connection, threaded socket connection, clip connection, welding, riveting, pin connection, integral molding and the like.
  • integral molding method should be understood as: injection molding method, extrusion molding method, die-casting method and the like.
  • the transmission part 3123, the main body part 3121 and the holding part 3122 are of an integrated structure, which not only helps to simplify the manufacturing process, but also helps to ensure that the first brake part 312 or the second brake part 312 The structure of the stopper 322 is stable.
  • first brake part 312 and the second brake part 322 are of an integrated structure, there are many options for their shape design, for example: mountain-shaped and so on. In this regard, this embodiment does not specifically limit it.
  • the width W 1 of the first slot segment 31121 and the width W 3 of the third slot segment 31123 are both smaller than the width W 2 of the second slot segment 31122 , so that the first slot segment 31121 and the third slot segment 31123 are less than the width W 2 .
  • Limiting walls 31124 are formed between the third groove segments 31123 and the second groove segments 31122 respectively. Both the width W 4 of the clasping portion 3122 and the width W 6 of the transmission portion 3123 are smaller than the width W 5 of the main body portion 3121 .
  • the width difference between the second groove segment 31122 and the first groove segment 31121 and the third groove segment 31123 is used to form the limiting walls 31124 on both sides to stably limit the main body part 3121. Move back and forth in the second slot section 31122 to ensure a more stable braking structure.
  • first slot section 31121 is set in the middle of the second slot section 31122, and the width difference between the first slot section 31121 and the second slot section 31122 can be used to form two limiting walls 31124, of course the first A limiting wall 31124 can also be formed if the slot section 31121 is not arranged in the middle of the second slot section 31122 .
  • the third groove section 31123 is arranged in the middle of the second groove section 31122, and the width difference between the third groove section 31123 and the second groove section 31122 can be used to form two limiting walls 31124.
  • the third groove section 31123 is not arranged in the middle of the second groove section 31122, and a limiting wall 31124 can also be formed.
  • the first pulling wheel 210 is provided with a first matching portion 212 and a first buckle 213 . Both the first matching portion 212 and the first buckle 213 are located outside the casing 100 .
  • the second pulling wheel 220 is provided with a second matching portion 222 and a second buckle 223 . Both the second matching portion 222 and the second buckle 223 are located outside the housing 100 .
  • the first knob 230 is provided with a third matching portion 231 and a third buckle 232 snap-fitted with the first buckle 213 .
  • the third matching portion 231 cooperates with the first matching portion 212 so that the first knob 230 can drive the first pulley 210 to rotate.
  • the second knob 240 is provided with a fourth matching portion 241 and a fourth buckle 242 snap-fitted with the second buckle 223 .
  • the fourth matching portion 241 cooperates with the second matching portion 222 so that the second knob 240 can drive the second pulley 220 to rotate.
  • the first wire pulley 210 is rotated inside the casing 100 so that it passes out of the casing 100; part, and respectively match the first matching part 212 with the third matching part 231, the first buckle 213 and the third buckle 232 snap fit, so that the first pulley 210 is reliably connected with the first knob 230, ensuring the first
  • the wire pulley 210 is stably installed in the housing 100 .
  • the first knob 230 can drive the first pulling wheel 210 to rotate, so as to stably control the bending of the snake bone 800 .
  • the second wire pulley 220 is rotated in the housing 100 so that it passes through the first through hole 211 and protrudes out of the housing 100; then, the second knob 240 is sleeved on the second wire pulley 220 to protrude from the housing 100, and respectively match the second matching part 222 with the fourth matching part 241, the second buckle 223 and the fourth buckle 242 snap fit, so that the second pulley 220 is reliably connected with the second knob 240, Ensure that the second wire pulley 220 is stably installed in the casing 100 .
  • the second knob 240 can drive the second pulling wheel 220 to rotate, so as to stably control the bending of the snake bone 800 .
  • the overall structure is ingeniously designed, and the first knob 230 and the second knob 240 can be installed separately only by inserting them, which makes the product assembly convenient, helps to improve the assembly efficiency, and thus effectively reduces the production cost.
  • first matching portion 212 and the third matching portion 231 can limit the relative rotation between the first pulley 210 and the first knob 230 , so that the first knob 230 can drive the first pulley 210 to rotate together.
  • the structures of the first matching portion 212 and the third matching portion 231 have multiple designs, for example: the first matching portion 212 is a convex structure, and the second matching portion 222 is a groove or hole structure; or, the first matching portion 212 is Groove or hole structure, the second matching portion 222 is a convex structure, etc.
  • the second matching portion 222 and the fourth matching portion 241 can limit the relative rotation between the second pulley 220 and the second knob 240 , so that the second knob 240 can drive the second pulley 220 to rotate together.
  • the structure of the second matching portion 222 and the fourth matching portion 241 has multiple designs, such as: the second matching portion 222 is a convex structure, and the fourth matching portion 241 is a groove or hole structure; or, the second matching portion 222 is Groove or hole structure, the fourth matching portion 241 is a convex structure, etc.
  • the movement of the first wire pulley 210 can be restricted, so as to prevent the first wire pulley 210 from falling off from the mounting hole of the housing 100, so as to ensure that the first wire pulley The wheel 210 is stably installed in the housing 100 .
  • the second buckle 223 cooperates with the fourth buckle 242 it can limit the movement of the second wire pulley 220, avoid the second wire pulley 220 from falling off from the mounting hole of the housing 100, and ensure the stable installation of the second wire pulley 220. inside the casing 100 .
  • the knob device 200 further includes a second bracket 250 installed in the casing 100 .
  • the second bracket 250 is sleeved on the second pulley 220 and covered on the first pulley 210 .
  • the first pulley 210 is stably installed in the casing 100 through the second bracket 250 .
  • the second bracket 250 can provide protection for the first wire pulley 210 , so that the pulling wire can be stably wound on the first wire pulley 210 .
  • connection manner between the second bracket 250 and the housing 100 may be, but not limited to, bolt connection, clamping, riveting, welding, bonding and the like.
  • the knob device 200 further includes a first sealing ring 253 .
  • the first sealing ring 253 is located between the second bracket 250 and the second wire pulley 220 to improve the sealing performance between the second bracket 250 and the second wire pulley 220 and prevent liquid from flowing from the second bracket 250 to the second wire pulley 220. Infiltration between the first wire pulley 210 causes corrosion damage.
  • the knob device 200 further includes a second sealing ring 217 .
  • the second sealing ring 217 is disposed between the first pulling wheel 210 and the housing 100 to further improve the sealing performance of the knob device 200 and effectively prevent liquid from penetrating into the first pulling wheel 210 from the mounting hole outside the housing 100 .
  • the second bracket 250 is respectively provided with a first limiting portion 251 and a second limiting portion 252 .
  • the first wire pulley 210 is provided with a third limiting portion 216 .
  • the third limiting portion 216 cooperates with the first limiting portion 251 to limit the rotation angle of the first wire pulley 210 .
  • a fourth limiting portion 226 is disposed on the second pulling wheel 220 .
  • the fourth limiting portion 226 cooperates with the second limiting portion 252 to limit the rotation angle of the second wire pulley 220 .
  • the third limiter 216 will cooperate with the first limiter 251 to restrict the first pulley 210 from continuing to rotate, thereby avoiding Excessive rotation of the first pulling wheel 210 causes the pulling wire to break, thereby ensuring the safety of the endoscope.
  • the fourth limiter 226 will cooperate with the second limiter 252 to limit the second pulley 220 from continuing to rotate, thereby preventing the second pulley from rotating. The over-rotation of the second pulling wheel 220 causes the pulling wire to break, thereby ensuring the safety of the endoscope.
  • first limiting portion 251, the second limiting portion 252, the third limiting portion 216, and the fourth limiting portion 226 are all in the form of protruding structures. , so that the rotation ranges of the first wire pulley 210 and the second wire pulley 220 are effectively controlled.
  • At least two first buckle positions 213 and third buckle positions 232 there are at least two first buckle positions 213 and third buckle positions 232 . At least two first buckle positions 213 are arranged at intervals along the circumferential direction of the first wire pulley 210 . At least two third buckle positions 232 are provided in one-to-one correspondence with at least two first buckle positions 213 . In this way, through the one-to-one cooperation between each first buckle position 213 and each third buckle position 232, the first pulley 210 and the first knob 230 are effectively buckled, so that the first pulley 210 and the first knob 230 The connection is more reliable and stable.
  • the first buckle 213 is a first locking block 2131 .
  • the third buckle 232 is a first card slot 2321 adapted to the first card block 2131 .
  • the first pulley 210 is stably combined with the first knob 230 through the cooperation of the first locking block 2131 and the first locking groove 2321 .
  • one of the first clamping blocks 2131 is provided with a first alignment portion 2132, and the groove wall of one of the first locking slots 2321 is provided with a second alignment portion 2322 that cooperates with the first alignment portion 2132, therefore , when buckling, only need to align the first alignment part 2132 with the second alignment part 2322, the first knob 230 can be stably buckled on the first pulley 210, making the assembly of the knob device 200 more convenient , thereby improving the assembly efficiency of the endoscope.
  • first alignment part 2132 and the second alignment part 2322 have various forms, for example: the first alignment part 2132 is designed as a bump, and the second alignment part 2322 is designed as a groove; or, the second alignment part 2132 is designed as a groove; Both the pair of alignment parts 2132 and the second alignment part 2322 are designed with corresponding patterns, logos and the like.
  • the first alignment portion 2132 is a groove
  • the second alignment portion 2322 is a bump
  • At least two second buckle positions 223 and fourth buckle positions 242 there are at least two second buckle positions 223 and fourth buckle positions 242 . At least two second buckle positions 223 are arranged at intervals along the circumferential direction of the second pulley 220 . At least two fourth buckle positions 242 are provided in one-to-one correspondence with at least two second buckle positions 223 . In this way, through the one-to-one cooperation between each second buckle position 223 and each fourth buckle position 242, the second pulley 220 and the second knob 240 are effectively buckled, so that the second pulley 220 and the second knob 240 The connection is more reliable and stable.
  • the second buckle 223 is a second card slot 2231
  • the fourth buckle 242 is a second card block 2421 adapted to the second card slot 2231 .
  • the second pulling wheel 220 is stably combined with the second knob 240 through the cooperation of the second locking block 2421 with the second locking groove 2231 .
  • the second knob 240 can be stably buckled on the second pulley 220, making the assembly of the knob device 200 more convenient , thereby improving the assembly efficiency of the endoscope.
  • the third alignment part 2232 and the fourth alignment part 2422 have various forms, for example: the third alignment part 2232 is designed as a groove, and the fourth alignment part 2422 is designed as a bump; or, the third alignment part 2232 is designed as a protrusion; Both the third alignment part 2232 and the fourth alignment part 2422 are designed with corresponding patterns, logos and the like.
  • the third alignment portion 2232 is a protrusion
  • the fourth alignment portion 2422 is a groove
  • both the first matching portion 212 and the third matching portion 231 are at least two. At least two first matching portions 212 are arranged at intervals along the circumferential direction of the first pulling wheel 210 . At least two third matching portions 231 are provided in one-to-one correspondence with at least two first matching portions 212 . In this way, through the one-to-one cooperation between each first matching portion 212 and each third matching portion 231, the first pulley 210 and the first knob 230 are effectively matched, so that the first knob 230 can drive the first pulley more reliably and stably. The pulley 210 rotates.
  • the first matching portion 212 is a first matching groove 2121 .
  • the third matching portion 231 is a first matching block 2311 adapted to the first matching groove 2121 .
  • the first matching groove 2121 is extended along the axial direction of the first wire pulley 210 . In this way, the first mating block 2311 is inserted into the first mating groove 2121 , so that the first wire pulley 210 cannot rotate relative to the first knob 230 , so that the first knob 230 can drive the first wire pulley 210 to rotate together.
  • the first matching groove 2121 extends from one end of the first wire pulley 210 along the axial direction of the first wire pulley 210 .
  • the first matching block 2311 can be inserted into the first matching groove 2121 more conveniently, so that the combination between the first pulling wheel 210 and the first knob 230 is more convenient.
  • both the second matching portion 222 and the fourth matching portion 241 are at least two. At least two second matching portions 222 are arranged at intervals along the circumferential direction of the second pulley 220 . At least two second matching portions 222 are provided in one-to-one correspondence with at least two fourth matching portions 241 . In this way, through the one-to-one cooperation between each second matching part 222 and each fourth matching part 241, the second pulley 220 is effectively buckled with the second knob 240, so that the second knob 240 drives the second pulley more reliably and stably. The pulley 220 rotates.
  • the second matching portion 222 is a second matching groove 2221 .
  • the fourth matching portion 241 is a second matching block 2411 adapted to the second matching groove 2221 .
  • the second matching groove 2221 extends along the axial direction of the second pulling pulley 220 . In this way, the second matching block 2411 is inserted into the second matching groove 2221 , so that the second wire pulley 220 cannot rotate relative to the second knob 240 , so that the second knob 240 can drive the second wire pulley 220 to rotate together.
  • the second matching groove 2221 extends from one end of the second wire pulley 220 along the axial direction of the second wire pulley 220 .
  • the second matching block 2411 can be inserted into the second matching groove 2221 more conveniently, so that the combination between the second pulling wheel 220 and the second knob 240 is more convenient.
  • the first knob 230 is provided with a first through hole 234 through which the first pulley 210 passes.
  • At least two third matching portions 231 are arranged at intervals around the first through hole 234 .
  • At least two third buckle positions 232 are arranged at intervals around the first through hole 234 .
  • a first protrusion 233 is disposed on a side of the first knob 230 facing the housing 100 .
  • the first protrusion 233 is disposed around the first through hole 234, and the first protrusion 233 is used for braking cooperation with the first braking assembly 310.
  • the rotation of the first knob 230 is stably braked by the first brake assembly 310 , so that the bending angle of the snake bone 800 is fixed, so that the operator can observe images at a specific angle.
  • the second knob 240 is provided with a second through hole 246 through which the second pulley 220 passes.
  • At least two fourth matching portions 241 are arranged at intervals around the second through hole 246 .
  • At least two fourth buckles 242 are arranged at intervals around the second through hole 246 .
  • the first pulling wheel 210 includes a first winding portion 214 and a first installation portion 215 disposed on the first winding portion 214 .
  • the first through hole 211 passes through the first winding portion 214 and the first installation portion 215 .
  • the first winding part 214 is located in the casing 100 .
  • the first installation portion 215 passes through the installation hole.
  • Both the first matching portion 212 and the first buckle 213 are disposed on the first installation portion 215 . In this way, the first pulley 210 can be more stably installed in the casing 100 .
  • the second pulling wheel 220 includes a second winding portion 224 and a second mounting portion 225 disposed on the second winding portion 224 .
  • the second winding portion 224 is located in the housing 100 , the second mounting portion 225 is passed through the first through hole 211 , and the second matching portion 222 and the second buckle 223 are both disposed on the second mounting portion 225 . In this way, the second pulley 220 can be installed in the housing 100 more stably.
  • the endoscope further includes an air-water valve 400 and a tip head 900 disposed on the snake bone 800 .
  • the air-water valve 400 is embedded in the casing 100 .
  • a first insertion portion 150 is disposed on an inner wall of the housing 100 .
  • the air-water valve 400 is provided with a second plug-in portion 416 that is plug-fitted with the first plug-in portion 150 .
  • the air-water valve 400 is embedded in the casing 100, and the second plug-in part 416 is plugged into the first plug-in part 150, so that the air-water valve 400 It can be effectively fixed to complete the installation of the air-water valve 400 on the casing 100 . Since the air-water valve 400 is fixed on the casing 100 by plugging, there is no need to prepare a large number of bolts or screws during installation, which effectively simplifies the installation operation and improves the assembly efficiency of the endoscope.
  • the air-water valve 400 includes a first valve body 410 and a first valve core 420 .
  • the housing 100 is provided with a second installation hole 112 , and has an accommodating chamber 110 communicating with the second installation hole 112 inside.
  • the first valve body 410 is passed through the second installation hole 112 and extends into the accommodating cavity 110 .
  • the first valve body 410 is provided with a second plug-in portion 416 that is mated with the first plug-in portion 150 .
  • a valve body 410 is provided with a first flow channel 411 , and the first valve body 410 is provided with an air inlet 412 , an air outlet 413 , a liquid inlet 414 and a liquid outlet 415 which are all connected to the first flow channel 411 at intervals.
  • the first valve core 420 is movably sleeved in the first valve body 410 and passes through the first flow channel 411 . By driving the first spool 420 , the air inlet 412 communicates with the air outlet 413 or the liquid inlet 414 communicates with the liquid outlet 415 .
  • the first valve core 420 After the air-water valve 400 is installed, the first valve core 420 only needs to be driven to act in the first valve body 410 when switching between gas and liquid, and the air inlet 412 and the air outlet 413 or the liquid inlet 414 and the outlet can be selectively connected.
  • the liquid port 415 enables the gas-water valve 400 to deliver liquid or gas to the inside of the organ to clean the camera, which greatly facilitates the gas-liquid switching operation and ensures a stable operation.
  • this embodiment does not specifically limit the structure of the first valve core 420 , as long as it can selectively control the communication between the air inlet 412 and the air outlet 413 or the connection between the liquid inlet 414 and the liquid outlet 415 .
  • the first insertion part 150 can be a convex structure, and the second insertion part 416 is a groove or hole structure; or, the first insertion part 150 can be a groove or hole structure, and the second insertion part 416 can be a groove or hole structure. 416 is a convex structure.
  • the first insertion portion 150 is a first slot 151 .
  • the second insertion part 416 is a first insertion block 4161 matched with the first slot 151 , so that the fixing of the air-water valve 400 is more convenient through the cooperation of the first insertion block 4161 with the first slot 151 .
  • the first inserting block 4161 is arranged on the first valve body 410 along the circumferential direction of the first valve body 410, so that the first inserting block 4161 is conveniently plugged in different orientations. on the first slot 151, thereby ensuring that the installation of the air-water valve 400 is more stable and reliable.
  • the quantitative arrangement relationship between the first slot 151 and the first insert block 4161 can be one-to-one, or two-to-one or many-to-one, that is, the same first insert block 4161 is plugged in at the same time. two or more first slots 151 .
  • the housing 100 includes a first shell 130 and a second shell 131 .
  • the first shell 130 covers the second shell 131 and forms the accommodating cavity 110 with the second shell 131 .
  • the first slot 151 includes a first type slot 1511 and a second type slot 1512 .
  • the first type of slot 1511 is defined on the first shell 130 .
  • the second type of slot 1512 is defined on the second shell 131 .
  • One end of the first plug 4161 is mated with the first type of slot 1511 .
  • the other end of the first plug 4161 is mated with the second type of slot 1512 .
  • the cooperation between the first shell 130 and the second shell 131 may be, but not limited to, bolt connection, clip connection, pin connection and the like.
  • a first wall 152 and a second wall 153 are spaced apart from each other on the cavity wall of the accommodating cavity 110 .
  • the first surrounding plate 152 and the second surrounding plate 153 are located on opposite sides of the second mounting hole 112 respectively, and surround and form the first slot 151 .
  • the first slot 151 and the second installation hole 112 are disposed opposite to each other.
  • the installation methods of the first enclosure plate 152 and the second enclosure plate 153 on the housing 100 may be, but not limited to, bolted connection, clamping, welding, riveting, pinning, bonding, integral molding and the like.
  • the integral molding can be injection molding, 3D printing, etc.
  • a stepped portion 140 is provided on a side of the casing 100 facing away from the accommodating cavity 110 .
  • the stepped portion 140 is disposed around the second mounting hole 112 .
  • a protruding portion 417 is disposed on a circumferential direction of the first valve body 410 . The protruding portion 417 interferes with the stepped portion 140 to effectively limit the air-water valve 400 in the second installation hole 112 , so that the air-water valve 400 is stably installed on the casing 100 .
  • the protruding portion 417 and the first plug 4161 are arranged side by side on the first valve body 410 at intervals. In this way, during installation, the raised portion 417 and the first plug 4161 respectively act on the outer side and the inner side of the housing 100 to form an inner and outer limit structure, effectively preventing the air-water valve 400 from shaking up and down in the second installation hole 112, Therefore, the air-water valve 400 is more stable on the casing 100 .
  • the first valve core 420 includes a valve stem and a first spacer 422 and a second spacer 423 disposed on the valve stem at intervals.
  • the valve stem is movable and sleeved in the first valve body 410 and passes through the first flow channel 411 .
  • Both the first isolator 422 and the second isolator 423 are in sealing fit with the inner wall of the first channel 411 .
  • the first spacer 422 is located between the liquid inlet 414 and the liquid outlet 415 , blocking the communication between the liquid inlet 414 and the liquid outlet 415 .
  • Both the liquid inlet 414 and the liquid outlet 415 are located on one side of the second isolator 423 , and both the air inlet 412 and the air outlet 413 are located on the other side of the second isolator 423 .
  • Its purpose is: 1. to cut off the channel between gas and liquid through the second spacer 423, so as to avoid gas-liquid cross-flow; 412 is in communication with the gas outlet 413, so that the gas can enter the inside of the organ, so as to blow the camera head.
  • the second spacer 423 is located between the air inlet 412 and the air outlet 413 , blocking the communication between the air inlet 412 and the air outlet 413 .
  • Both the liquid inlet 414 and the liquid outlet 415 are located on one side of the first spacer 422 , and both the liquid inlet 414 and the liquid outlet 415 are located on the other side of the first spacer 422 .
  • Its purpose is: 1. Use the first spacer 422 to block the passage between gas and liquid to avoid gas-liquid cross-flow; 2.
  • the liquid inlet 414 and the liquid outlet 415 are located on the same side of the first spacer 422, so that the liquid inlet
  • the port 414 is in communication with the liquid outlet 415, so that the liquid can enter the inside of the organ to flush the camera head.
  • the positional relationship between the air inlet 412 and the air outlet 413 on the first valve body 410 is not limited, for example: the air inlet 412 is above the air outlet 413; or, the air inlet 412 is above the liquid outlet 415 below.
  • the positional relationship between the liquid inlet 414 and the liquid outlet 415 on the first valve body 410 is not limited, for example: the liquid inlet 414 is above the liquid outlet 415; or, the liquid inlet 414 is above the liquid outlet 415 below.
  • the liquid outlet 415 , the liquid inlet 414 , the air inlet 412 and the air outlet 413 are arranged at intervals from top to bottom along the length direction of the first valve body 410 .
  • the length direction of the first valve body 410 is the direction indicated by any arrow S in FIG. 29 .
  • the air-water valve 400 further includes a first valve cover 430 and a first elastic member 440 .
  • the first valve cover 430 is disposed on the valve stem.
  • the first elastic member 440 is connected between the first valve cover 430 and the first valve body 410, and is used to drive the valve stem to return from the second position to the first position, so that the air-water valve 400 returns to the original state for the next operation. get ready.
  • the air-water valve 400 also includes a first valve sleeve 450 , the first valve sleeve 450 is sleeved on the valve stem and connected with the first valve body 410 .
  • the first elastic member 440 may be a spring, elastic rubber, elastic metal sheet, or the like.
  • a channel 4211 is provided in the valve stem.
  • One end of the channel 4211 communicates with the air outlet 413, and the other end is used for communicating with the outside world. In this way, only when one end of the channel 4211 is blocked (for example: using a finger to block one end of the channel 4211), the valve stem can enter the gas-liquid switching state.
  • the endoscope further includes a negative pressure valve 500 .
  • the negative pressure valve 500 is embedded in the casing 100 .
  • a third insertion portion 170 is disposed on an inner wall of the housing 100 .
  • the negative pressure valve 500 is provided with a fourth socket part 517 which is plugged and fitted with the third socket part 170 . Since the housing 100 is provided with the third socket part 170 and the negative pressure valve 500 is provided with the fourth socket part 517, the fourth socket part 517 can be socketed on the third socket part 170 during fixing. , so that the negative pressure valve 500 is stably and quickly positioned on the casing 100 .
  • the installation structure is greatly simplified, making the installation of the negative pressure valve 500 faster and easier, which is beneficial to improving the assembly efficiency of the endoscope.
  • the negative pressure valve 500 includes a second valve body 510 and a second valve core 520 .
  • the housing 100 is provided with a third installation hole 113 , and has an accommodating chamber 110 communicating with the second installation hole 112 inside.
  • the second valve body 510 passes through the third installation hole 113 and extends into the accommodating cavity 110 .
  • the second valve body 510 is provided with a second plug-in portion 416 that is mated with the first plug-in portion 150 .
  • the second valve body 510 is provided with a second flow channel 511, the second valve body 510 is provided with an inlet 512 and an outlet 513 communicating with the second flow channel 511, and the second valve core 520 is movably sleeved in the second valve body 510 And pass through the second flow channel 511, the second valve core 520 is provided with a third flow channel 521 for connecting the inlet 512 and the outlet 513, and the third flow channel 521 is connected to the inlet 512 and the outlet by driving the second valve core 520 513 or make the second spool 520 block the inlet 512 and the outlet 513 .
  • the third flow passage 521 is connected to the inlet 512 and the outlet 513 by driving the second valve core 520 .
  • the negative pressure device can form a negative pressure environment at the inlet 512 , the third flow channel 521 and the outlet 513 , so that the liquid and tissue in the organ are discharged through the inlet 512 , the third flow channel 521 and the outlet 513 in sequence.
  • the second valve core 520 is driven to block the communication between the inlet 512 and the outlet 513, so as to disconnect the endoscope from the negative pressure equipment.
  • the negative pressure valve 500 only needs to drive the second spool 520 to complete the opening and closing switching of the channel, which makes the switching operation more convenient and helps to ensure the stable operation.
  • driving the second spool 520 to make the third flow channel 521 communicate with the inlet 512 and the outlet 513 or to make the second spool 520 block the inlet 512 and the outlet 513 should be understood as: driving the second spool 520 so that it Corresponding actions are performed in the second channel 511.
  • the third channel 521 is opposite to the inlet 512 and the outlet 513 respectively, the inlet 512 and the outlet 513 are connected; when the second spool 520 blocks at least the inlet 512 and the outlet 513 When there is only one port, the inlet 512 and the outlet 513 cannot communicate through the third channel 521 .
  • the housing 100 is provided with a wire inlet hole 160 communicating with the accommodating cavity 110 .
  • the wire inlet hole 160 is used for passing through the connecting pipe of the negative pressure equipment communicated with the outlet 513 .
  • the connecting pipe of the negative pressure equipment can be penetrated into the accommodating chamber 110 through the inlet hole 160, and connected with the negative pressure valve 500 to realize the connection between the negative pressure valve 500 and the negative pressure equipment.
  • the reliable connection of the equipment thus, greatly facilitates the connection between the negative pressure valve 500 and the negative pressure equipment.
  • a first groove 161 is provided on the cavity wall of the accommodating cavity 110 .
  • the first groove 161 is located between the third installation hole 113 and the wire inlet hole 160 , and the first groove 161 is used for accommodating a connecting pipe of a negative pressure device. Since there is a distance between the negative pressure valve 500 and the negative pressure equipment, the connecting pipe extending into the accommodating cavity 110 has a certain length. For this reason, for this part of the connecting tube, in this embodiment, a first groove 161 is provided on the cavity wall of the accommodating cavity 110, so as to accommodate a certain length of connecting tube, so as to prevent this part of the connecting tube from interfering with the internal structure of the endoscope handle. Or winding, so that the internal structure distribution is orderly and reasonable, so as to ensure the stable operation of the endoscope.
  • the first groove 161 may be dug directly on the wall of the accommodating cavity 110 , or may protrude from the surface of the housing 100 and be formed on the wall of the accommodating cavity 110 .
  • the second valve body 510 includes a main body section 514 , a first branch section 515 and a second branch section 516 .
  • the first branch section 515 communicates with one end of the main section 514 .
  • the second branch section 516 communicates with one side of the main section 514 .
  • the second channel 511 is opened in the main body section 514 .
  • the inlet 512 is opened on the first branch section 515
  • the outlet 513 is opened on the second branch section 516 .
  • the second valve core 520 is driven to move in the main body section 514 , so that the first branch section 515 communicates with the second branch section 516 through the third channel 521 .
  • the liquid or tissue will flow through the inlet 512 , the first branch section 515 , the third channel 521 and the second branch section 516 in sequence, and be discharged from the outlet 513 .
  • both the first branch section 515 and the second branch section 516 are set at an included angle with the main body section 514 .
  • the second valve core 520 is movable and sleeved in the main body section 514 .
  • One end of the second spool 520 is provided with a first port 523 communicating with the third channel 521 .
  • the first port 523 communicates with the inlet 512 .
  • a side surface of the second valve core 520 attached to the inner wall of the second flow channel 511 is provided with a second port 522 communicating with the third flow channel 521 .
  • the second port 522 is displaced or corresponding to the outlet 513 . It can be seen from this that, in the opening and closing switching of the channel, the second valve core 520 is driven to move in the second flow channel 511 .
  • the outlet 513, the second port 522, the third flow channel 521, the first port 523 and the inlet 512 are connected to each other, so that the passage in the negative pressure valve 500 is completely opened, So that the negative pressure equipment can extract the inside of the organ.
  • the outlet 513 cannot communicate with the inlet 512, so that the passage in the negative pressure valve 500 is closed, and at this time, the negative pressure device stops working.
  • the third insertion portion 170 is the second slot 171 .
  • the fourth insertion part 517 is a second insertion block 5171 matched with the second slot 171 . In this way, when fixing, the second plug 5171 is inserted into the second slot 171 , so that the negative pressure valve 500 is stably installed on the casing 100 .
  • the number of the second slot 171 and the second insert block 5171 can be one, two or more, which is not specifically limited in this embodiment.
  • there are various corresponding relationships between the second slot 171 and the second plug 5171 for example: the second slot 171 and the second plug 5171 are inserted in one-to-one correspondence; or the second slot 171 and the second plug Block 5171 for two-to-one plug-in configuration and so on.
  • the third socket part 170 can be the second socket block 5171 .
  • the fourth insertion portion 517 is the second slot 171 matched with the second slot 171 .
  • the second plug 5171 is arranged on the second valve body 510 along the circumferential extension of the second valve body 510 , so that the second plug 5171 is conveniently plugged into the second slots in different orientations. 171, so that the same second plug 5171 can be plugged into two or more second slots 171 at the same time.
  • a third wall 172 and a fourth wall 173 are spaced apart from each other on the cavity wall of the accommodating cavity 110 .
  • the third surrounding board 172 and the fourth surrounding board 173 are located on opposite sides of the third installation hole 113 respectively, and surround and form the second slot 171 .
  • the third shroud 172 and the fourth shroud 173 are respectively arranged on the opposite sides of the third installation hole 113, so that when the negative pressure valve 500 is installed in the third installation hole 113, the second insert on it The 5171 can just be plugged into the second slot 171, so that the installation of the negative pressure valve 500 is more convenient.
  • the installation methods of the third enclosure 172 and the fourth enclosure 173 on the housing 100 may be, but not limited to, bolt connection, clamping, riveting, welding, bonding, integral molding, and the like.
  • the integral molding method is injection molding, 3D printing, etc.
  • the housing 100 includes a first shell 130 and a second shell 131 .
  • the first shell 130 covers the second shell 131 and forms the accommodating cavity 110 with the second shell 131 .
  • the second slot 171 includes a third type slot 1711 and a fourth type slot 1712 .
  • the third type of slot 1711 is defined on the first shell 130 .
  • the fourth type of slot 1712 is defined on the second shell 131 .
  • One end of the second plug 5171 is mated with the slot 1711 of the third type, and the other end of the second plug 5171 is mated with the slot 1712 of the fourth type.
  • the housing 100 of this embodiment is composed of two parts. When the second housing 131 fits on the first housing 130, the opposite ends of the second plug 5171 are plugged into the third type of slot 1711. and the fourth type of slot 1712 , making the negative pressure valve 500 more stable in the housing 100 .
  • the negative pressure valve 500 further includes a second valve cover 530 and a second elastic member 540 .
  • the second valve cover 530 is disposed on the second valve core 520 .
  • the second elastic member 540 is connected between the second valve cover 530 and the second valve body 510 for driving the second valve core 520 so that the second valve core 520 blocks the inlet 512 and the outlet 513 .
  • the second elastic member 540 may be, but not limited to, a spring, elastic rubber, elastic metal sheet and the like.
  • the negative pressure valve 500 further includes a second valve sleeve 550 .
  • the second valve sleeve 550 is sleeved on the second valve core 520 and connected with the second valve body 510 .
  • the endoscope further includes a three-way valve 600, the inner wall of the casing 100 is provided with a fifth insertion part 180, and the three-way valve 600 is provided with a fifth insertion part 180.
  • Connecting portion 180 is inserted into the sixth socketing portion 630, and the three-way valve 600 is provided with a first port 611, a second port 621, and a third port 612 that communicate with each other.
  • the first port 611 communicates with the negative pressure valve 500
  • the second port 621 is used to communicate with the instrument channel valve 1000
  • the third port 612 is used to communicate with the instrument channel of the distal tip 900 .
  • this method does not need to use bolts or screws and other components, which reduces the number of parts in the endoscope assembly process and ensures that the assembly process is simple and orderly.
  • the number of the fifth socket part 180 and the sixth socket part 630 may be one, two, three or more, which is not specifically limited in this embodiment.
  • the fifth insertion part 180 can be a convex structure
  • the sixth insertion part 630 is a groove or hole structure
  • the fifth insertion part 180 can be a groove or a hole structure
  • the sixth insertion part 630 is a convex structure.
  • the fifth insertion portion 180 is the third slot 181 .
  • the sixth socket part 630 is a third plug 631 adapted to the third slot 181 , that is, when installing, the third plug 631 on the three-way valve 600 is directly inserted into the third slot in the casing 100 Within 181, the assembly can be completed, which greatly improves the assembly efficiency and convenience.
  • the cavity wall of the accommodating cavity 110 is provided with a protrusion 118 for supporting the three-way valve 600 .
  • the third slot 181 is defined on the protrusion 118 .
  • the three-way valve 600 is also supported by the convex seat 118, so as to prevent the three-way valve 600 from being in a suspended state in the housing 100, so that the three-way valve 600 is more stable in the housing 100, thereby having It is beneficial to improve the stability of the product.
  • the installation method of the boss 118 on the cavity wall of the accommodating cavity 110 may be, but not limited to, bolt connection, clamping, bonding, riveting, welding, integral molding and the like.
  • the integral molding can be injection molding, 3D printing molding and the like.
  • the protrusion 118 is integrated with the housing 100 , that is, it is formed by the protrusion of the cavity wall of the accommodating cavity 110 .
  • a second groove 182 is formed on a side of the boss 118 facing the three-way valve 600 .
  • the second groove 182 is used to fit the outer surface of the three-way valve 600, so that the third groove 182 is matched with the outer surface of the three-way valve 600, so that the three-way valve 600 is more stable on the boss 118, avoiding During use, the three-way valve 600 shakes from side to side.
  • matching should be understood as: the groove shape of the second groove 182 should be consistent with the shape of the outer surface of the three-way valve 600, so that the outer surface of the three-way valve 600 can better fit in the Inside the second groove 182 .
  • the protrusion 118 is provided with a notch 183 communicating with the third slot 181 .
  • the gap 183 is used for passing through the connecting pipe between the negative pressure valve 500 and the three-way valve 600 ; or for passing through the three-way valve 600 . It can be seen that, when the three-way valve 600 is plugged on the convex seat 118 , there is a connecting pipe between the three-way valve 600 and the negative pressure valve 500 . For this reason, a notch 183 is provided on the convex seat 118 to facilitate the passage of the connecting pipe, and to avoid structural interference between the connecting pipe and the convex seat 118 and make it difficult to arrange the connecting pipe.
  • a part of the three-way valve 600 can also be passed through the gap 183, which can also effectively avoid the problem of structural interference between the connecting pipe and the convex seat 118, making the internal structure of the endoscope more convenient.
  • a wire pipe support 114 may be provided in the casing 100 to fix the connecting pipes and the pipelines on the air-water valve 400 .
  • the protrusion 118 includes a support plate 190 and a first side plate 191 and a second side plate 192 disposed on opposite sides of the support plate 190 .
  • the first side plate 191 , the second side plate 192 and the supporting plate 190 surround and form the third slot 181 .
  • a gap 183 is left between the first side panel 191 and the second side panel 192 .
  • the structure of the support plate 190 , the first side plate 191 and the second side plate 192 is used to simultaneously form the third slot 181 and the notch 183 , which is beneficial to simplify the structural design.
  • the support plate 190 , the first side plate 191 and the second side plate 192 are an integrated structure.
  • the casing 100 includes a first shell 130 and a second shell 131 .
  • the first shell 130 covers the second shell 131 and forms the accommodating chamber 110 with the second shell 131 .
  • the protrusion 118 includes a first protrusion 1181 and a second protrusion 1182 .
  • the first protrusion 1181 is disposed on the first shell 130 .
  • the second protrusion 1182 is disposed on the second shell 131 .
  • the third slot 181 includes a fifth type of slot 1811 and a sixth type of slot 1812 , the fifth type of slot 1811 is disposed on the first protrusion 1181 , and the sixth type of slot 1812 is disposed on the second protrusion 1182 .
  • One end of the third plug 631 is mated with the fifth type slot 1811 , and the other end of the third plug 631 is plugged with the sixth type slot 1812 . It can be seen that when the first shell 130 and the second shell 131 cooperate with each other, the three-way valve 600 is respectively supported between the first convex seat 1181 and the second convex seat 1182; at the same time, the third socket on the three-way valve 600 The blocks 631 are respectively inserted into the fifth type slot 1811 and the sixth type slot 1812 , so that the installation of the three-way valve 600 is more stable.
  • the present embodiment divides the protrusion 118 into a first protrusion 1181 and a second protrusion 1182 . Therefore, the difference between the first convex seat 1181 , the second convex seat 1182 and the convex seat 118 is only in terms of names, and their structures are all the same or similar. Similarly, the fifth type slot 1811 and the sixth type slot 1812 are different names of the third slot 181 , and their structures are also consistent and similar.
  • FIG. 25 there are two protrusions 118 .
  • the two protrusions 118 are arranged at intervals along the length direction of the casing 100 .
  • Two third inserting blocks 631 are arranged at intervals along the length direction of the three-way valve 600 .
  • the two protrusions 118 correspond to the two third inserting blocks 631 one by one.
  • the casing 100 is provided with a first opening 115 and a second opening 116 communicating with the accommodating cavity 110 .
  • the second port 621 passes through the first opening 115 .
  • the third port 612 is disposed toward the second opening 116 .
  • the notch 183 of one of the protrusions 118 is configured to face the negative pressure valve 500 , and the notch 183 of the other protrusion 118 is disposed toward the second opening 116 .
  • the three-way valve 600 includes a first pipe body 610 and a second pipe body 620 .
  • One end of the second tube body 620 communicates with the second tube body 620 , and the other end of the second tube body 620 passes through the first opening 115 .
  • the first port 611 and the third port 612 are respectively disposed at two opposite ends of the first tube body 610 .
  • the second port 621 is disposed at an end of the second tube body 620 away from the first tube body 610 .
  • the sixth insertion portion 630 is disposed on the first tube body 610 and/or the second tube body 620 . In this way, the three-way valve 600 has a good three-way control function.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

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Abstract

一种内窥镜,旋钮装置(200)、制动装置(300)及蛇骨(800)。旋钮装置(200)包括可旋转装设于壳体(100)内的第一拉线轮(210)和第二拉线轮(220)以及位于壳体(100)外的第一旋钮(230)和第二旋钮(240)。第一拉线轮(210)上贯穿设有第一穿孔(211),第二拉线轮(220)穿过第一穿孔(211)伸出壳体(100)外,第一旋钮(230)套设于第一拉线轮(210)上,第二旋钮(240)叠设于第一旋钮(230)上并套设于第二拉线轮(220)上。制动装置(300)包括第一制动组件(310)和第二制动组件(320)。第一制动组件(310)设于第一旋钮(230)与壳体(100)之间,并用于对第一旋钮(230)或第一拉线轮(210)制动。第二制动组件(320)设于第二旋钮(240)背向第一旋钮(230)一侧,并用于对第二旋钮(240)或第二拉线轮(220)制动。该内窥镜结构更加紧凑、排列更加合理,使得操作更加便捷,有利于提高操作的可靠性。

Description

内窥镜 技术领域
本发明涉及医疗器械技术领域,特别是涉及内窥镜。
背景技术
内窥镜是一种集传统光学、人体工程学、精密机械、现代电子、数学、软件等于一体的检测仪器,具有图像传感器、光学镜头、照明光源、机械装置等,其作为一种检测人体内部器官病变的重要辅助医疗仪器,广泛应用于各种外科手术中。目前内窥镜产品多为重复利用产品,每次使用后,需要经严格的消毒程序进行消毒。传统的内窥镜包括手柄、插入管、蛇骨、先端头及主机。
为了扩大观察范围,通过旋钮装置控制蛇骨向四个方向弯曲,以实现内窥镜四向观察。然而传统的内窥镜整体结构布置不合理,受限于内窥镜结构设计缺陷,在控制蛇骨弯曲和制动旋钮装置时,操作不够便利。
发明内容
基于此,有必要提供一种结构布置合理,操作便利的内窥镜。
一种内窥镜,所述内窥镜包括:壳体,所述壳体上设有连通所述壳体内外的第一安装孔;旋钮装置,所述旋钮装置包括可旋转装设于所述壳体内的第一拉线轮和第二拉线轮以及位于所述壳体外的第一旋钮和第二旋钮,所述第一拉线轮穿过所述第一安装孔伸出所述壳体外,所述第一拉线轮上贯穿设有第一穿孔,所述第二拉线轮穿过所述第一穿孔伸出所述壳体外,所述第一旋钮套设于所述第一拉线轮上,所述第二旋钮叠设于所述第一旋钮上并套设于所述第二拉线轮上;制动装置,所述制动装置包括第一制动组件和第二制动组件,所述第一制动组件设于所述第一拉线轮与所述壳体之间,并用于对所述第一旋钮或所述第一拉线轮制动,所述第二制动组件设于第二旋钮背向所述第一旋钮一侧,并用于对所述第二旋钮或所述第二拉线轮制动;蛇骨,所述蛇骨位于所述壳体外,并通过牵引线与所述第一拉线轮和所述第二拉线轮分别连接。
上述的内窥镜,在使用时,旋转第一旋钮,带动第一拉线轮在壳体内旋转;第一拉线轮旋转后,通过牵引线拉扯蛇骨的一侧,使之发生上下方向弯曲。为实现特定角度固定,通过第一制动组件对第一拉线轮或第一旋钮制动,使得牵引线无法被拉动,从而使得蛇骨以特定角度保持弯曲状态。同样,旋转第二旋钮,带动第二拉线轮在壳体内旋转;第二拉线轮旋转后,通过牵引线拉扯蛇骨的一侧,使之发生左右方向弯曲。为实现特定角度固定,通过第二制动组件对第二拉线轮或第二旋钮制动,使得牵引线无法被拉动,从而使得蛇骨以特定角度保持弯曲状态。如此,通过第一旋钮、第二旋钮、第一制动组件及第二制动组件,能稳定实现蛇骨四个方向弯曲的控制,提高操作的稳定性。此外,在结构布局上,第二拉线轮通过第一穿孔贯穿第一拉线轮;同时,第一旋钮及第二旋钮叠设在壳体外,且第一制动组件位于第一拉线轮与壳体之间,第二制动组件设于第二旋钮背向第一旋钮的一侧,如此设置使得内窥镜结构更加紧凑、排列更加合理,这样在操作时,方便作业人员准确、快速区分蛇骨的上下弯曲和左右弯曲,使得操作更加便捷,有利于提高操作的可靠性。
在其中一个实施例中,所述第一制动组件包括第一固定架、第一制动钮及滑动设于所述第一固定架上的至少两个第一制动件,所述第一固定架定位在所述壳体上,所述第一制动钮套设于所述第一固定架外,所述第一制动钮旋转时,能推动所述第一制动件滑动以抱紧所述第一旋钮或所述第一拉线轮。
在其中一个实施例中,所述第一固定架上设有用于供所述第一拉线轮穿入的第一工作腔,所述第一旋钮伸入所述第一工作腔内并套设于所述第一拉线轮上,所述第一制动钮旋转时,能推动所述第一制动件伸入所述第一工作腔内并抱紧所述第一旋钮。
在其中一个实施例中,所述旋钮装置还包括设于所述壳体内的第一支架,所述第二拉线轮上贯穿设有第二穿孔,所述第一支架穿过所述第二穿孔并伸出所述壳体外,所述第二制动组件装设于所述第一支架上。
在其中一个实施例中,所述第二制动组件包括第二固定架、第二制动钮及滑动设于所述第二固定架上的至少两个第二制动件,所述第二固定架定位在所述第一支架上,所述第二制动钮套设于所述第二固定架 外,所述第二制动钮旋转时,能推动所述第二制动件滑动以抱紧所述第二旋钮或所述第二拉线轮。
在其中一个实施例中,所述第一支架上贯穿设有第一固定孔,所述第二制动钮上设有与所述第一固定孔对应的第二固定孔,所述第一固定孔与所述第二固定孔中穿入紧固件,以使所述第二制动钮可旋转地装设于所述第一支架上。
在其中一个实施例中,所述第二旋钮上设有制动圆环,所述第二固定架上设有用于供所述制动圆环穿入的第二工作腔,所述第二制动钮旋转时,能推动所述第二制动件伸入所述第二工作腔内并抱紧所述制动圆环。
在其中一个实施例中,所述内窥镜还包括气水阀及设于所述蛇骨上的先端头,所述气水阀嵌装在所述壳体内,所述壳体的内壁上设有第一插接部,所述气水阀上设有与第一插接部插接配合的第二插接部。
在其中一个实施例中,所述内窥镜还包括负压阀,所述负压阀嵌装在所述壳体内,所述壳体的内壁上设有第三插接部,所述负压阀上设有与第三插接部插接配合的第四插接部。
在其中一个实施例中,所述内窥镜还包括三通阀,所述壳体的内壁上设有第五插接部,所述三通阀上设有与第五插接部插接配合的第六插接部,所述三通阀上设有相互连通的第一端口、第二端口及第三端口,所述第一端口与所述负压阀连通,所述第二端口用于与器械通道阀连通,所述第三端口用于与先端头的器械通道连通。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为一个实施例中所述的内窥镜结构示意图;图2为一个实施例中所述的内窥镜内部结构剖视图一;图3为一个实施例中所述的内窥镜手柄结构剖视图二;图4为图3中圈A处结构放大示意图;图5为一个实施例中所述的内窥镜结构爆炸示意图;图6为一个实施例中所述的第一拉线轮结构示意图;图7为一个实施例中所述的第一旋钮结构示意图一;图8为一个实施例中所述的第一旋钮结构示意图二;图9为一个实施例中所述的第二支架结构示意图一;图10为一个实施例中所述的第二支架结构示意图二;图11为一个实施例中所述的第二拉线轮结构示意图一;图12为一个实施例中所述的第二拉线轮结构示意图二;图13为一个实施例中所述的第二旋钮结构示意图一;图14为一个实施例中所述的第二旋钮结构示意图二;图15为一个实施例中所述的第一制动组件结构爆炸一视角图;图16为一个实施例中所述的第一制动组件结构爆炸另一视角图;图17为一个实施例中所述的第一固定架结构示意图;图18为一个实施例中所述的第一制动件结构示意图;图19为一个实施例中所述的第二制动组件结构爆炸一视角图;图20为一个实施例中所述的第二制动组件结构爆炸另一视角图;图21为一个实施例中所述的第二固定架结构示意图;图22为一个实施例中所述的第二制动件结构示意图;图23为一个实施例中所述的第一壳结构示意图;图24为图23中圈B处结构放大示意图;图25为图23中圈D处结构放大示意图;图26为一个实施例中所述的第二壳结构示意图;图27为图26中圈C处结构放大示意图;图28为一个实施例中所述的气水阀结构示意图;图29为一个实施例中所述的气水阀结构剖视图;图30为一个实施例中所述的负压阀结构示意图;图31为一个实施例中所述的负压阀结构剖视图;图32为一个实施例中所述的三通阀结构示意图。
100、壳体;110、容置腔;111、第一安装孔;112、第二安装孔;113、第三安装孔;114、线管支架115、第一开口;116、第二开口;118、凸座;1181、第一凸座;1182、第二凸座;120、限位柱;121、第二定位部;130、第一壳;131、第二壳;140、台阶部;150、第一插接部;151、第一插槽;1511、第一类插槽;1512、第二类插槽;152、第一围板;153、第二围板;160、入线孔;161、第一凹槽;170、第三插接部;171、第二插槽;1711、第三类插槽;1712、第四类插槽;172、第三围板;173、第四围板;180、第五插接部;181、第三插槽;1811、第五类插槽;1812、第六类插槽;182、第二凹槽;183、缺口;190、支撑板;191、第一侧板;192、第二侧板;200、旋钮装置;210、第一拉线轮;211、第一穿孔;212、 第一配合部;2121、第一配合槽;213、第一扣位;2131、第一卡块;2132、第一对位部;214、第一绕线部;215、第一安装部;216、第三限位部;217、第二密封圈;220、第二拉线轮;221、第二穿孔;222、第二配合部;2221、第二配合槽;223、第二扣位;2231、第二卡槽;2232、第三对位部;224、第二绕线部;225、第二安装部;226、第四限位部;230、第一旋钮;231、第三配合部;2311、第一配合块;232、第三扣位;2321、第一卡槽;2322、第二对位部;233、第一凸起;234、第一通孔;240、第二旋钮;241、第四配合部;2411、第二配合块;242、第四扣位;2421、第二卡块;2422、第四对位部;243、安装槽;244、第二凸起;245、制动圆环;246、第二通孔;250、第二支架;251、第一限位部;252、第二限位部;253、第一密封圈;260、第一支架;261、第四定位部;262、第一固定孔;300、制动装置;310、第一制动组件;311、第一固定架;3111、第一工作腔;3112、第一滑槽;31121、第一槽段;31122、第二槽段;31123、第三槽段;31124、限位壁;3113、第一定位部;312、第一制动件;3121、主体部;3122、抱紧部;3123、传动部;313、第一制动钮;3131、第一钮本体;3132、第一环套;3133、第一推动部;3134、第一拨动部;3135、弧形槽;320、第二制动组件;321、第二固定架;3211、第二工作腔;3212、第二滑槽;3213、第三定位部;3214、第二限位块;322、第二制动件;323、第二制动钮;3231、第二钮本体;3232、第二环套;3233、第二推动部;3234、第二拨动部;3235、第一限位块;3236、第二固定孔;400、气水阀;410、第一阀体;411、第一流道;412、进气口;413、出气口;414、进液口;415、出液口;416、第二插接部;4161、第一插块;417、凸起部;420、第一阀芯;421、第一阀杆;4211、通道;422、第一隔离件;423、第二隔离件;430、第一阀盖;440、第一弹性件;450、第一阀套;500、负压阀;510、第二阀体;511、第二流道;512、进口;513、出口;514、主体段;515、第一支段;516、第二支段;517、第四插接部;5171、第二插块;520、第二阀芯;521、第三流道;522、第二口;523、第一口;530、第二阀盖;540、第二弹性件;550、第二阀套;600、三通阀;610、第一管体;611、第一端口;612、第三端口;620、第二管体;621、第二端口;630、第六插接部;631、第三插块;700、紧固件;800、蛇骨;900、先端头;1000、器械通道阀。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施,本领域技术人员可以在不违背本发明内涵的情况下做类似改进,因此本发明不受下面公开的具体实施例的限制。
在一个实施例中,请参考图1、图2、图3及图4,一种内窥镜,内窥镜包括:壳体100、旋钮装置200、制动装置300及蛇骨800。壳体100上设有连通壳体100内外的第一安装孔111。旋钮装置200包括可旋转装设于壳体100内的第一拉线轮210和第二拉线轮220以及位于壳体100外的第一旋钮230和第二旋钮240。第一拉线轮210穿过第一安装孔111伸出壳体100外,第一拉线轮210上贯穿设有第一穿孔211。第二拉线轮220穿过第一穿孔211伸出壳体100外,第一旋钮230套设于第一拉线轮210上,第二旋钮240叠设于第一旋钮230上并套设于第二拉线轮220上。制动装置300包括第一制动组件310和第二制动组件320。第一制动组件310设于第一拉线轮210与壳体100之间,并用于对第一旋钮230或第一拉线轮210制动。第二制动组件320设于第二旋钮240背向第一旋钮230一侧,并用于对第二旋钮240或第二拉线轮220制动。蛇骨800位于壳体100外,并通过牵引线与第一拉线轮210和第二拉线轮220分别连接。
上述的内窥镜,在使用时,旋转第一旋钮230,带动第一拉线轮210在壳体100内旋转;第一拉线轮210旋转后,通过牵引线拉扯蛇骨800的一侧,使之发生上下方向弯曲。为实现特定角度固定,通过第一制动组件310对第一拉线轮210或第一旋钮230制动,使得牵引线无法被拉动,从而使得蛇骨800以特定角度保持弯曲状态。同样,旋转第二旋钮240,带动第二拉线轮220在壳体100内旋转;第二拉线轮220旋转后,通过牵引线拉扯蛇骨800的一侧,使之发生左右方向弯曲。为实现特定角度固定,通过第二制动组件320对第二拉线轮220或第二旋钮240制动,使得牵引线无法被拉动,从而使得蛇骨800以特定角度保持弯曲状态。如此,通过第一旋钮230、第二旋钮240、第一制动组件310及第二制动组件320,能稳定实现蛇骨800四个方向弯曲的控制,提高操作的稳定性。此外,在结构布局上,第二拉线轮220通过第一 穿孔211贯穿第一拉线轮210;同时,第一旋钮230及第二旋钮240叠设在壳体100外,且第一制动组件310位于第一拉线轮210与壳体100之间,第二制动组件320设于第二旋钮240背向第一旋钮230的一侧,如此设置使得内窥镜结构更加紧凑、排列更加合理,这样在操作时,方便作业人员准确、快速区分蛇骨800的上下弯曲和左右弯曲,使得操作更加便捷,有利于操作的可靠性。
进一步地,请参考图5与图15,第一制动组件310包括第一固定架311、第一制动钮313及滑动设于第一固定架311上的至少两个第一制动件312。第一固定架311定位在壳体100上,第一制动钮313套设于第一固定架311外。第一制动钮313旋转时,能推动第一制动件312滑动以抱紧第一旋钮230或第一拉线轮210。由此可知,在制动第一拉线轮210时,旋转第一制动钮313预设角度驱使至少两个第一制动件312滑动,使之抱紧在第一旋钮230或第一拉线轮210上,使得第一拉线轮210无法旋转以继续弯曲蛇骨800。
需要说明的是,“预设角度”应理解为:在需对第一拉线轮210制动时,第一制动钮313绕旋转轴线沿顺时针或逆时针转动一定的角度后,第一制动钮313推动第一制动件312移动。该角度可取0°(不包括0°)-360°(不包括360°)中任一角度值。
更进一步地,请参考图4与图15,第一固定架311上设有第一工作腔3111。第一旋钮230伸入第一工作腔3111内并套设于第一拉线轮210上。第一制动钮313旋转时,能推动第一制动件312伸入第一工作腔3111内并抱紧第一旋钮230。如此,通过第一工作腔3111,实现第一旋钮230与第一拉线轮210之间的连接。
在一个实施例中,请参考图4与图15,第一固定架311上围绕第一工作腔3111间隔设有至少两个第一滑槽3112。各个第一滑槽3112一端与第一工作腔3111连通,另一端用于连通至第一固定架311外。各个第一制动件312一一对应地滑动装设于各个第一滑槽3112内,第一制动件312穿过第一滑槽3112并伸出第一固定架311外。第一制动钮313的内壁上间隔设有至少两个第一推动部3133,第一制动钮313旋转至预设角度时,各个第一推动部3133一一对应地推动各个第一制动件312朝第一工作腔3111的方向移动,以抱紧第一旋钮230。
由此可知,将第一制动件312一一对应滑动设于第一滑槽3112内,并保证第一制动件312穿过第一滑槽3112伸出第一固定架311外。当套在第一固定架311外的第一制动钮313旋转至预设角度时,其内壁上的第一推动部3133会与第一制动件312接触、并推动第一制动件312在第一滑槽3112内移动。由于第一滑槽3112与第一工作腔3111连通,因此,各个第一制动件312在第一推动部3133的推动下分别朝第一工作腔3111内伸入,并最终抱紧在第一旋钮230上,以实现第一拉线轮210的制动。如此,通过第一制动件312与第一制动钮313之间的配合结构,在制动过程中直接驱使第一制动件312在第一滑槽3112内移动,便可实现第一拉线轮210的制动,其结构设计巧妙、简洁,制动力传递直接、有效,保证旋钮制动效果更佳。
进一步地,请参考图4与图15,第一制动钮313包括第一钮本体3131与设于第一钮本体3131上的第一环套3132。第一环套3132套设于第一固定架311外,第一推动部3133设于第一环套3132的内壁上。如此,当驱使第一环套3132在第一固定架311外旋转时,其内壁上的第一推动部3133会与第一制动件312伸出的部分接触,并推动第一制动件312移动。
可选地,第一推动部3133在第一环套3132上的连接方式可为但不仅限于螺栓连接、螺纹套接、卡接、焊接、铆接、销接、一体成型方式等。
更进一步地,请参考图4与图15,第一推动部3133由第一环套3132的内壁朝第一环套3132的中心凸起形成,即第一推动部3133与第一环套3132为一体式结构,这样使得其制作更加便捷。
具体地,请参考图15,第一推动部3133、第一制动件312及第一滑槽3112均为三个。三个第一滑槽3112绕第一工作腔3111的周向间隔设置。三个第一推动部3133沿着第一环套3132的周向间隔设置。
在一个实施例中,请参考图15,第一制动钮313上设有第一拨动部3134。第一拨动部3134沿着第一制动钮313的径向凸起延伸,便于作业人员驱使第一制动钮313旋转,以提升产品的可操作性。
在一个实施例中,请参考图5与图16,第一固定架311上设有第一定位部3113。第一定位部3113与壳体100上的第二定位部121定位配合,以限制第一固定架311随第一旋钮230旋转,如此,通过第一定 位部3113和第二定位部121配合,使得第一固定架311处于相对固定状态,以便第一制动件312抱紧第一旋钮230。
可选地,第一定位部3113为凸状结构,第二定位部121为孔或槽状结构;或者,第一定位部3113为孔或槽状结构,第二定位部121为凸状结构。
具体地,请参考图5与图16,第一定位部3113为第一固定架311上的定位槽。第二定位部121为定位凸起。
进一步地,请参考图17,第一定位部3113为多个。多个第一定位部3113围绕第一工作腔3111间隔排布,如此,通过多个第一定位部3113与多个第二定位部121配合,使得第一固定架311的旋转限制效果更佳。
在一个实施例中,请参考图5与图16,第一制动钮313上设有弧形槽3135。弧形槽3135围绕第一工作腔3111设置,弧形槽3135用于与壳体100上的限位柱120配合,以限制第一制动钮313的旋转范围,如此,通过第一弧形槽3135,有效限制第一制动钮313的旋转范围,避免过度旋转而导致结构失稳。
在一个实施例中,请参考图4、图6及图11,旋钮装置200还包括设于壳体100内的第一支架260。第二拉线轮220上贯穿设有第二穿孔221。第一支架260穿过第二穿孔221并伸出壳体100外。第二制动组件320装设于第一支架260上。如此,通过第一支架260,使得第二制动组件320能稳定制动第二旋钮240或第二拉线轮220。
进一步地,请参考图5与图19,第二制动组件320包括第二固定架321、第二制动钮323及滑动设于第二固定架321上的至少两个第二制动件322。第二固定架321定位在第一支架260上。第二制动钮323套设于第二固定架321外,第二制动钮323旋转时,能推动第二制动件322滑动以抱紧第二旋钮240或第二拉线轮220。由此可知,在制动第二拉线轮220时,旋转第二制动钮323预设角度驱使至少两个第二制动件322滑动,使之抱紧在第二旋钮240或第二拉线轮220上,使得第二拉线轮220无法旋转以继续弯曲蛇骨800。
需要说明的是,“预设角度”应理解为:在需对第二拉线轮220制动时,第二制动钮323绕旋转轴线沿顺时针或逆时针转动一定的角度后,第二制动钮323推动第二制动件322移动。该角度可取0°(不包括0°)-360°(不包括360°)中任一角度值。
更进一步地,请参考图4,第一支架260上贯穿设有第一固定孔262。第二制动钮323上设有与第一固定孔262对应的第二固定孔3236。第一固定孔262与第二固定孔3236中穿入紧固件700,以使第二制动钮323可旋转地装设于第一支架260上。如此,通过紧固件700与第一支架260,既能保证第二制动钮323稳定安装在第一支架260上,又能保证第二制动钮323能相对第二固定架321旋转,以实现第二拉线轮220的制动。
需要说明的是,紧固件700在固定第二制动钮323时,无需锁死第一支架260与第二制动钮323,在能保证第二制动钮323不会从第一支架260上掉落的前提下,也需保证第二制动钮323与第一支架260具有一定间隙,以使其能进行旋转。
在一个实施例中,请参考图4与图5,第二旋钮240上设有制动圆环245。第二固定架321上设有用于供制动圆环245穿入的第二工作腔3211。第二制动钮323旋转时,能推动第二制动件322伸入第二工作腔3211内并抱紧制动圆环245。如此,通过在第二旋钮240上设置制动圆环245,便于第二制动件322能稳定抱紧第二旋钮240,以实现稳定制动。
进一步地,请参考图4与图13,第二旋钮240背向第一旋钮230的一侧面上设有用于供第二制动钮323装入的安装槽243。安装槽243的槽壁上设有第一凸起233。第一凸起233围绕第二拉线轮220设置。制动圆环245套设于第一凸起233上,如此,使得制动圆环245得到稳定安装,便于第二制动组件320稳定制动第二旋钮240转动,使得蛇骨800的弯曲角度得到固定,从而方便操作者能观察到特定角度的图像。
在一个实施例中,请参考图5与图21,第二固定架321上设有第三定位部3213。第三定位部3213与第一支架260上的第四定位部261定位配合,以限制第二固定架321随第二旋钮240旋转,如此,通过第三定位部3213和第四定位部261配合,使得第二固定架321处于相对固定状态,以便第二制动件322抱紧第二旋钮240。
可选地,第三定位部3213为凸状结构,第四定位部261为孔或槽状结构;或者,第三定位部3213为孔或槽状结构,第四定位部261为凸状结构。
具体地,请参考图5与图21,第三定位部3213为第二固定架321上的定位凸起。第四定位部261为定位槽。
进一步地,请参考图21,第三定位部3213为多个。多个第三定位部3213围绕第二工作腔3211间隔排布,如此,通过多个第三定位部3213与多个第四定位部261配合,使得第二固定架321的旋转限制效果更佳。
在一个实施例中,请参考图19与图20,第二固定架321上围绕第二工作腔3211间隔设有至少两个第二滑槽3212。各个第二滑槽3212一端与第二工作腔3211连通,另一端用于连通至第二固定架321外。各个第二制动件322一一对应地滑动装设于各个第二滑槽3212内,第二制动件322穿过第二滑槽3212并伸出第二固定架321外。第二制动钮323的内壁上间隔设有至少两个第二推动部3233,第二制动钮323旋转至预设角度时,各个第二推动部3233一一对应地推动各个第二制动件322朝第二工作腔3211的方向移动,以抱紧第二旋钮240。
由此可知,将第二制动件322一一对应滑动设于第二滑槽3212内,并保证第二制动件322穿过第二滑槽3212伸出第二固定架321外。当套在第二固定架321外的第二制动钮323旋转至预设角度时,其内壁上的第二推动部3233会与第二制动件322接触、并推动第二制动件322在第二滑槽3212内移动。由于第二滑槽3212与第二工作腔3211连通,因此,各个第二制动件322在第二推动部3233的推动下分别朝第二工作腔3211内伸入,并最终抱紧在第二旋钮240上,以实现第二拉线轮220的制动。如此,通过第二制动件322与第二制动钮323之间的配合结构,在制动过程中直接驱使第二制动件322在第二滑槽3212内移动,便可实现第二拉线轮220的制动,其结构设计巧妙、简洁,制动力传递直接、有效,保证旋钮制动效果更佳。
进一步地,请参考图4与图19,第二制动钮323包括第二钮本体3231与设于第二钮本体3231上的第二环套3232。第二环套3232套设于第二固定架321外,第二推动部3233设于第二环套3232的内壁上。如此,当驱使第二环套3232在第二固定架321外旋转时,其内壁上的第二推动部3233会与第二制动件322伸出的部分接触,并推动第二制动件322移动。
可选地,第二推动部3233在第二环套3232上的连接方式可为但不仅限于螺栓连接、螺纹套接、卡接、焊接、铆接、销接、一体成型方式等。
更进一步地,请参考图19,第二推动部3233由第二环套3232的内壁朝第二环套3232的中心凸起形成,即第二推动部3233与第二环套3232为一体式结构,这样使得其制作更加便捷。
具体地,第二推动部3233、第二制动件322及第二滑槽3212均为三个。三个第二滑槽3212绕第二工作腔3211的周向间隔设置。三个第二推动部3233沿着第二环套3232的周向间隔设置。
在一个实施例中,请参考图20,第二制动钮323上设有第二拨动部3234。第二拨动部3234沿着第二制动钮323的径向凸起延伸,便于作业人员驱使第二制动钮323旋转,以提升产品的可操作性。
在一个实施例中,请参考图19与图20,第二制动钮323的内壁上设有第一限位块3235,第二固定架321的外壁上设有第二限位块3214,第一限位块3235与第二限位块3214配合,以限制第二制动钮323的旋转范围。
在一个实施例中,请参考图17,第一滑槽3112与第二滑槽3212均包括依次连通的第一槽段31121、第二槽段31122和第三槽段31123。第一槽段31121与第一工作腔3111或第二工作腔3211连通。第三槽段31123用于连通至第一固定架311或第二固定架321外,第一制动件312或第二制动件322滑动装设于第二槽段31122内,且第一制动件312或第二制动件322一端伸至第一槽段31121内,另一端穿过第三槽段31123并伸出对应的固定架外。本实施例将第一滑槽3112与第二滑槽3212设计成三段结构,在制动之前,第一制动件312或第二制动件322一端穿过第三槽段31123伸出对应的固定架外;在制动时,第一制动件312或第二制动件322被推动,使其另一端穿过第一槽段31121伸入第一工作腔3111或第二工作腔3211内,以抱紧第一旋钮230或第二旋钮240。
进一步地,请参考图18与图22,第一制动件312与第二制动件322均包括主体部3121及分别设于主 体部3121相对两端的抱紧部3122与传动部3123。抱紧部3122位于第一槽段31121内。传动部3123位于第三槽段31123内,并部分伸出第一固定架311或第二固定架321外。第一槽段31121与第二槽段31122、第二槽段31122与第三槽段31123之间均具有限位壁31124。主体部3121滑动装设于第二槽段31122内。并分别与第一槽段31121与第二槽段31122、第二槽段31122与第三槽段31123之间的限位壁31124限位配合。在限位配合中,当主体部3121与邻近第三槽段31123的限位壁31124配合时,传动部3123则部分穿过第三槽段31123伸出固定架外;当主体部3121与邻近第一槽段31121的限位壁31124配合时,抱紧部3122穿过第一槽段31121伸入工作腔内。如此,利用第一槽段31121与第二槽段31122、第二槽段31122与第三槽段31123之间的限位壁31124,限制主体部3121在第二槽段31122内的移动行程,在实现有效制动的前提下,避免第一制动件312或第二制动件322滑出而导致制动装置300失效。
可选地,抱紧部3122与传动部3123分别在主体部3121上的连接方式可为但不仅限于螺栓连接、螺纹套接、卡接、焊接、铆接、销接、一体成型方式等。其中,一体成型方式应理解为:注塑成型方式、挤压成型方式、压铸方式等。
具体地,请参考图18与图22,传动部3123、主体部3121及抱紧部3122为一体式结构,这样不仅有利于简化制作工序,而且还有利于保证第一制动件312或第二制动件322的结构稳定。
当然,第一制动件312与第二制动件322件均为一体式结构时,其外形设计可有多种选择,比如:山字型等。对此,本实施例不作具体限定。
在一个实施例中,请参考图17,第一槽段31121的宽度W 1和第三槽段31123的宽度W 3均小于第二槽段31122的宽度W 2,以使第一槽段31121与第三槽段31123分别和第二槽段31122之间形成限位壁31124。抱紧部3122的宽度W 4和传动部3123的宽度W 6均小于主体部3121的宽度W 5。由此可知,在制动过程中,利用第二槽段31122分别与第一槽段31121、第三槽段31123之间的宽度差,形成两侧的限位壁31124,将主体部3121稳定限制在第二槽段31122内来回移动,保证制动结构更加稳定。
需要说明的是,第一槽段31121设于第二槽段31122的中部,利用第一槽段31121与第二槽段31122之间的宽度差,可形成两个限位壁31124,当然第一槽段31121不设于第二槽段31122的中部也可形成一个限位壁31124。同理,第三槽段31123设于第二槽段31122的中部,利用第三槽段31123与第二槽段31122之间的宽度差,可形成两个限位壁31124,当然第三槽段31123不设于第二槽段31122的中部,也可形成一个限位壁31124。
在一个实施例中,请参考图4、图6及图7,第一拉线轮210上设有第一配合部212与第一扣位213。第一配合部212与第一扣位213均位于壳体100外。第二拉线轮220上设有第二配合部222与第二扣位223。第二配合部222与第二扣位223均位于壳体100外。第一旋钮230上设有第三配合部231及与第一扣位213卡扣配合的第三扣位232。第三配合部231与第一配合部212配合以使第一旋钮230能带动第一拉线轮210旋转。第二旋钮240上设有第四配合部241及与第二扣位223卡扣配合的第四扣位242。第四配合部241与第二配合部222配合以使第二旋钮240能带动第二拉线轮220旋转。
在装配过程中,将第一拉线轮210旋转设于壳体100内,使其穿出壳体100外;接着,将第一旋钮230套设于第一拉线轮210伸出壳体100外的部分,并分别将第一配合部212与第三配合部231配合,第一扣位213与第三扣位232卡扣配合,使得第一拉线轮210与第一旋钮230可靠连接,保证第一拉线轮210在壳体100内稳定安装。同时,在第一配合部212与第三配合部231的作用下,第一旋钮230能驱使第一拉线轮210旋转,以便稳定控制蛇骨800弯曲。同样,将第二拉线轮220旋转设于壳体100内,使其穿过第一穿孔211伸出壳体100外;接着,将第二旋钮240套设于第二拉线轮220伸出壳体100外的部分,并分别将第二配合部222与第四配合部241配合,第二扣位223与第四扣位242卡扣配合,使得第二拉线轮220与第二旋钮240可靠连接,保证第二拉线轮220在壳体100内稳定安装。同时,在第二配合部222与第四配合部241的作用下,第二旋钮240能驱使第二拉线轮220旋转,以便稳定控制蛇骨800弯曲。整体结构设计巧妙,第一旋钮230和第二旋钮240只需套入即可完成各自的安装,这样使得产品装配便利,有利于提高组装效率,从而有效降低制作成本。
需要说明的是,第一配合部212与第三配合部231能限制第一拉线轮210与第一旋钮230之间的相对转动,以使第一旋钮230能驱使第一拉线轮210一起旋转。第一配合部212与第三配合部231的结构有多 种设计,比如:第一配合部212为凸状结构,第二配合部222为槽或孔状结构;或者,第一配合部212为槽或孔状结构,第二配合部222为凸状结构等。
同样,第二配合部222与第四配合部241能限制第二拉线轮220与第二旋钮240之间的相对转动,以使第二旋钮240能驱使第二拉线轮220一起旋转。第二配合部222与第四配合部241的结构有多种设计,比如:第二配合部222为凸状结构,第四配合部241为槽或孔状结构;或者,第二配合部222为槽或孔状结构,第四配合部241为凸状结构等。
还需说明的是,第一扣位213与第三扣位232配合时,能限制第一拉线轮210的移动,避免第一拉线轮210从壳体100安装孔中脱落,以保证第一拉线轮210稳定安装在壳体100内。同时,第二扣位223与第四扣位242配合时,能限制第二拉线轮220的移动,避免第二拉线轮220从壳体100安装孔中脱落,以保证第二拉线轮220稳定安装在壳体100内。
进一步地,请参考图4与图9,旋钮装置200还包括装设于壳体100内的第二支架250。第二支架250套设于第二拉线轮220上,并盖设于第一拉线轮210上。如此,通过第二支架250,使得第一拉线轮210稳定安装在壳体100内。同时也通过第二支架250,能为第一拉线轮210提供防护,使得牵引线能稳定缠绕在第一拉线轮210上。
可选地,第二支架250与壳体100之间的连接方式可为但不仅限于螺栓连接、卡接、铆接、焊接、粘接等。
更进一步地,请参考图4,旋钮装置200还包括第一密封圈253。第一密封圈253设于第二支架250与第二拉线轮220之间,提高第二支架250与第二拉线轮220之间的密封性,避免液体由第二支架250与第二拉线轮220之间渗入而导致第一拉线轮210腐蚀损坏。
当然,请参考图4,旋钮装置200还包括第二密封圈217。第二密封圈217设于第一拉线轮210与壳体100之间,以进一步提高旋钮装置200的密封性,有效防止液体由壳体100外从安装孔中渗入至第一拉线轮210上。
在一个实施例中,请参考图6、图9、图10及图12,第二支架250分别设有第一限位部251与第二限位部252。第一拉线轮210上设有第三限位部216。第三限位部216与第一限位部251配合用于限制第一拉线轮210的转动角度。第二拉线轮220上设有第四限位部226。第四限位部226与第二限位部252配合用于限制第二拉线轮220的转动角度。由此可知,当第一旋钮230带动第一拉线轮210转动至预设角度时,第三限位部216会与第一限位部251配合,以限制第一拉线轮210继续转动,从而避免第一拉线轮210过度转动而导致牵引线崩断,进而确保内窥镜使用安全。同理,当第二旋钮240带动第二拉线轮220转动至预设角度时,第四限位部226会与第二限位部252配合,以限制第二拉线轮220继续转动,从而避免第二拉线轮220过度转动而导致牵引线崩断,进而确保内窥镜使用安全。
需要说明的是,第一限位部251、第二限位部252、第三限位部216及第四限位部226均呈凸起结构,利用凸起结构与凸起结构之间的抵触,使得第一拉线轮210和第二拉线轮220的转动范围得到有效控制。
进一步地,请参考图6与图7,第一扣位213与第三扣位232均为至少两个。至少两个第一扣位213沿着第一拉线轮210的周向间隔设置。至少两个第三扣位232与至少两个第一扣位213一一对应设置。如此,通过各个第一扣位213与各个第三扣位232一一配合,使得第一拉线轮210与第一旋钮230之间有效扣合,从而使得第一拉线轮210与第一旋钮230的连接更加牢靠、稳固。
在一个实施例中,请参考图6与图7,第一扣位213为第一卡块2131。第三扣位232为与第一卡块2131适配的第一卡槽2321。如此,通过第一卡块2131与第一卡槽2321配合,使得第一拉线轮210与第一旋钮230稳定结合。
另外,由于其中一个第一卡块2131上设有第一对位部2132,其中一个第一卡槽2321的槽壁上设有与第一对位部2132配合的第二对位部2322,因此,在卡扣时,只需将第一对位部2132与第二对位部2322对齐,即可将第一旋钮230稳定卡扣在第一拉线轮210上,使得旋钮装置200的装配更加便利,从而有利于提高内窥镜的装配效率。
需要说明的是,第一对位部2132和第二对位部2322有多种形式,比如:第一对位部2132设计为凸块,第二对位部2322设计为凹槽;或者,第一对位部2132与第二对位部2322均设计为对应的图案、标 识等。
具体地,第一对位部2132为凹槽,第二对位部2322为凸块。
进一步地,请参考图11与图13,第二扣位223与第四扣位242均为至少两个。至少两个第二扣位223沿着第二拉线轮220的周向间隔设置。至少两个第四扣位242与至少两个第二扣位223一一对应设置。如此,通过各个第二扣位223与各个第四扣位242一一配合,使得第二拉线轮220与第二旋钮240之间有效扣合,从而使得第二拉线轮220与第二旋钮240的连接更加牢靠、稳固。
在一个实施例中,请参考图11与图13,第二扣位223为第二卡槽2231,第四扣位242为与第二卡槽2231适配的第二卡块2421。如此,通过第二卡块2421与第二卡槽2231配合,使得第二拉线轮220与第二旋钮240稳定结合。
另外,由于其中一个第二卡槽2231的槽壁上设有第三对位部2232,其中一个第二卡块2421上设有与第三对位部2232配合的第四对位部2422,因此,在卡扣时,只需将第三对位部2232与第四对位部2422对齐,即可将第二旋钮240稳定卡扣在第二拉线轮220上,使得旋钮装置200的装配更加便利,从而有利于提高内窥镜的装配效率。
需要说明的是,第三对位部2232和第四对位部2422有多种形式,比如:第三对位部2232设计为凹槽,第四对位部2422设计为凸块;或者,第三对位部2232与第四对位部2422均设计为对应的图案、标识等。
具体地,第三对位部2232为凸块,第四对位部2422为凹槽。
进一步地,请参考图6与图8,第一配合部212与第三配合部231均为至少两个。至少两个第一配合部212沿着第一拉线轮210的周向间隔设置。至少两个第三配合部231与至少两个第一配合部212一一对应设置。如此,通过各个第一配合部212与各个第三配合部231一一配合,使得第一拉线轮210与第一旋钮230之间有效配合,从而使得第一旋钮230更加可靠、稳定地带动第一拉线轮210转动。
在一个实施例中,请参考图6与图8,第一配合部212为第一配合槽2121。第三配合部231为与第一配合槽2121适配的第一配合块2311。第一配合槽2121沿着第一拉线轮210的轴向延伸设置。如此,第一配合块2311插入第一配合槽2121中,使得第一拉线轮210无法相对第一旋钮230转动,从而使得第一旋钮230能带动第一拉线轮210一起转动。
具体地,请参考图6与图8,第一配合槽2121从第一拉线轮210的一端部开始沿着第一拉线轮210的轴向延伸设置。如此,使得第一配合块2311能更加方便插入第一配合槽2121中,从而使得第一拉线轮210与第一旋钮230之间的结合更加便利。
进一步地,请参考图11与图14,第二配合部222与第四配合部241均为至少两个。至少两个第二配合部222沿着第二拉线轮220的周向间隔设置。至少两个第二配合部222与至少两个第四配合部241一一对应设置。如此,通过各个第二配合部222与各个第四配合部241一一配合,使得第二拉线轮220与第二旋钮240之间有效扣合,从而第二旋钮240更加可靠、稳定地带动第二拉线轮220转动。
在一个实施例中,请参考图11与图14,第二配合部222为第二配合槽2221。第四配合部241为与第二配合槽2221适配的第二配合块2411。第二配合槽2221沿着第二拉线轮220的轴向延伸设置。如此,第二配合块2411插入第二配合槽2221中,使得第二拉线轮220无法相对第二旋钮240转动,从而使得第二旋钮240能带动第二拉线轮220一起转动。
具体地,请参考图11与图14,第二配合槽2221从第二拉线轮220的一端部开始沿着第二拉线轮220的轴向延伸设置。如此,使得第二配合块2411能更加方便插入第二配合槽2221中,从而使得第二拉线轮220与第二旋钮240之间的结合更加便利。
在一个实施例中,请参考图6、图7及图8,第一旋钮230上设有供第一拉线轮210穿入的第一通孔234。至少两个第三配合部231围绕第一通孔234间隔设置。至少两个第三扣位232围绕第一通孔234间隔设置。当第一拉线轮210穿入第一通孔234中时,第一配合部212配合在第三配合部231上,且第一扣位213卡扣在第三扣位232上。如此,装配时,只需将第一拉线轮210穿入第一通孔234中,即可实现第二拉线轮220与第二旋钮240之间稳定卡接。
在一个实施例中,请参考图5与图8,第一旋钮230朝向壳体100的一侧面上设有第一凸起233。第 一凸起233围绕第一通孔234设置,第一凸起233用于与第一制动组件310制动配合。如此,通过第一制动组件310稳定制动第一旋钮230转动,使得蛇骨800的弯曲角度得到固定,从而方便操作者能观察到特定角度的图像。
在一个实施例中,请参考图4、图13及图14,第二旋钮240上设有供第二拉线轮220穿入的第二通孔246。至少两个第四配合部241围绕第二通孔246间隔设置。至少两个第四扣位242围绕第二通孔246间隔设置。当第二拉线轮220穿入第二通孔246中时,第二配合部222配合在第四配合部241上,且第二扣位223卡扣在第四扣位242上。如此,装配时,只需将第二拉线轮220穿入第二通孔246中,即可实现第二拉线轮220与第二旋钮240之间稳定卡接。
在一个实施例中,请参考图6,第一拉线轮210包括第一绕线部214及设于第一绕线部214上的第一安装部215。第一穿孔211贯穿第一绕线部214与第一安装部215。第一绕线部214位于壳体100内。第一安装部215穿设于安装孔。第一配合部212与第一扣位213均设于第一安装部215上。如此,第一拉线轮210能更加稳定地安装在壳体100内。
在一个实施例中,请参考图11与图12,第二拉线轮220包括第二绕线部224及设于第二绕线部224上的第二安装部225。第二绕线部224位于壳体100内,第二安装部225穿设于第一穿孔211,第二配合部222与第二扣位223均设于第二安装部225上。如此,第二拉线轮220能更加稳定地安装在壳体100内。
在一个实施例中,请参考图1、图23及图28,内窥镜还包括气水阀400及设于蛇骨800上的先端头900。气水阀400嵌装在壳体100内。壳体100的内壁上设有第一插接部150。气水阀400上设有与第一插接部150插接配合的第二插接部416。由此可知,在气水阀400安装过程中,将气水阀400嵌装在壳体100内,并将第二插接部416插接于第一插接部150上,使得气水阀400能有效固定,以完成气水阀400在壳体100上的安装。由于气水阀400在壳体100上采用插接方式进行固定,因此,安装时无需备置大量螺栓或者螺钉等零件,有效简化安装操作,提高内窥镜的组装效率。
需要说明的是,请参考图29,气水阀400包括第一阀体410与第一阀芯420。壳体100上设有第二安装孔112,且内部具有与第二安装孔112连通的容置腔110。第一阀体410穿设于第二安装孔112,并伸至容置腔110内,第一阀体410上设有与第一插接部150插接配合的第二插接部416,第一阀体410内设有第一流道411,第一阀体410上间隔设有均与第一流道411连通的进气口412、出气口413、进液口414和出液口415。第一阀芯420活动套接于第一阀体410内并穿设于第一流道411。通过驱动第一阀芯420使进气口412与出气口413连通或使进液口414与出液口415连通。当气水阀400安装好后,气液切换时只需驱动第一阀芯420在第一阀体410内动作,即可选择性连通进气口412与出气口413或者进液口414与出液口415,使得气水阀400能向器官内部输送液体或者气体以清洁摄像头,如此,极大方便气液切换操作,保证手术稳定进行。
需要说明的是,本实施例不具体限定第一阀芯420结构,只需满足能选择性控制进气口412与出气口413连通或者进液口414与出液口415连通即可。
可选地,第一插接部150可为凸状结构,第二插接部416为槽或孔状结构;或者,第一插接部150可为槽或孔状结构,第二插接部416为凸状结构。
具体地,请参考图24与图28,第一插接部150为第一插槽151。第二插接部416为与第一插槽151配合的第一插块4161,如此,通过第一插块4161与第一插槽151配合,使得气水阀400的固定更加便捷。
在一个实施例中,请参考图28,第一插块4161在第一阀体410上沿着第一阀体410的周向延伸设置,如此,便于第一插块4161插接在不同方位的第一插槽151上,从而保证气水阀400的安装更加稳定、牢靠。
需要说明的是,第一插槽151与第一插块4161之间数量配置关系,可为一对一,也可为两对一或多对一,即同一第一插块4161同时插接在两个或多个第一插槽151上。
在一个实施例中,请参考图23与图26,壳体100包括第一壳130与第二壳131。第一壳130盖设于第二壳131上,并与第二壳131之间形成容置腔110。第一插槽151包括第一类插槽1511与第二类插槽1512。第一类插槽1511开设于第一壳130上。第二类插槽1512开设于第二壳131上。第一插块4161的一端与第一类插槽1511插接配合。第一插块4161的另一端与第二类插槽1512插接配合。由此可知,当 第一壳130与第二壳131配合时,第一插块4161的相对两端则插接在第一类插槽1511和第二类插槽1512上,如此,使得气水阀400上下均得到有效固定。
可选地,第一壳130与第二壳131之间的配合方式可为但不仅限于螺栓连接、卡接、销接等。
在一个实施例中,请参考图24,容置腔110的腔壁上间隔设有第一围板152与第二围板153。第一围板152与第二围板153分别位于第二安装孔112的相对两侧,并围合形成第一插槽151。由此可知,本实施例的第一插槽151与第二安装孔112正对设置。当第一阀体410穿设于第二安装孔112时,其上的第一插块4161也能正好插接在第一插槽151中,如此,使得气水阀400的安装更加便捷。
可选地,第一围板152与第二围板153在壳体100上的安装方式可为但不仅限于螺栓连接、卡接、焊接、铆接、销接、粘接、一体成型方式等。其中,一体成型可为注塑、3D打印等。
在一个实施例中,请参考图24与图28,壳体100背向容置腔110的一侧面上设有台阶部140。台阶部140围绕第二安装孔112设置。第一阀体410的周向上设有凸起部417。凸起部417与台阶部140抵触配合,为气水阀400在第二安装孔112中实现有效限位,使得气水阀400在壳体100上稳定安装。
具体地,请参考图24,凸起部417与第一插块4161在第一阀体410上并列间隔设置。如此,在安装时,凸起部417与第一插块4161分别作用在壳体100的外侧和内侧,以构成内外限位结构,有效避免气水阀400在第二安装孔112中上下晃动,从而使得气水阀400在壳体100上更加稳定。
在一个实施例中,请参考图29,第一阀芯420包括阀杆及间隔设于阀杆上的第一隔离件422与第二隔离件423。阀杆移动套接于第一阀体410内并穿设于第一流道411。第一隔离件422与第二隔离件423均与第一流道411的内壁密封配合。阀杆移动至第一位置时,第一隔离件422位于进液口414与出液口415之间,阻断进液口414与出液口415之间的连通。而进液口414与出液口415均位于第二隔离件423一侧,且进气口412与出气口413均位于第二隔离件423另一侧。其目的在于:一、通过第二隔离件423隔断气体与液体之间的通道,避免气液串流;二、进气口412与出气口413位于第二隔离件423同一侧,使得进气口412与出气口413保持连通,从而使得气体能进入器官内部,以实现对摄像头吹气。另外,阀杆移动至第二位置时,第二隔离件423位于进气口412与出气口413之间,阻断进气口412与出气口413之间的连通。而进液口414与出液口415均位于第一隔离件422一侧,且进液口414与出液口415均位于第一隔离件422另一侧。其目的在于:一、通过第一隔离件422隔断气体与液体之间的通道,避免气液串流;二、进液口414与出液口415位于第一隔离件422同一侧,使得进液口414与出液口415保持连通,从而使得液体能进入器官内部,以实现对摄像头冲洗。
需要说明的是,进气口412与出气口413在第一阀体410上的位置关系不作限定,比如:进气口412在出气口413的上方;或者,进气口412在出液口415的下方。同样,进液口414与出液口415在第一阀体410上的位置关系也不作限定,比如:进液口414在出液口415的上方;或者,进液口414在出液口415的下方。
具体地,请参考图29,出液口415、进液口414、进气口412及出气口413沿着第一阀体410的长度方向由上而下依次间隔排布。其中,为了便于理解第一阀体410的长度方向,以图29为例,第一阀体410的长度方向为图29中S任一箭头所指的方向。
在一个实施例中,请参考图28,气水阀400还包括第一阀盖430与第一弹性件440。第一阀盖430设于阀杆上。第一弹性件440连接于第一阀盖430与第一阀体410之间,用于驱使阀杆由第二位置恢复至第一位置,使得气水阀400恢复初始状态,以便下次操作做好准备。另外,气水阀400还包括第一阀套450,第一阀套450套设于阀杆上,并与第一阀体410连接。
可选地,第一弹性件440可为弹簧、弹性橡胶、弹性金属片等。
在一个实施例中,请参考图29,阀杆内设有通道4211。通道4211一端与出气口413连通,另一端用于与外界连通。如此,只有当通道4211一端被堵住(比如:使用手指堵住通道4211一端)时,阀杆才能进入气液切换状态。
在一个实施例中,请参考图23与图30,内窥镜还包括负压阀500。负压阀500嵌装在壳体100内。壳体100的内壁上设有第三插接部170。负压阀500上设有与第三插接部170插接配合的第四插接部517。由于壳体100内设有第三插接部170,负压阀500上设有第四插接部517,因此,固定时可将第四插接部 517插接在第三插接部170上,使得负压阀500稳定、快速定位在壳体100上。相比于传统螺钉或者螺栓固定方式,大大简化了安装结构,使得负压阀500的安装更加快速、简便,有利于提高内窥镜的组装效率。
进一步地,请参考图31,负压阀500包括第二阀体510与第二阀芯520。壳体100上设有第三安装孔113,且内部具有与第二安装孔112连通的容置腔110。第二阀体510穿设于第三安装孔113,并伸至容置腔110内,第二阀体510上设有与第一插接部150插接配合的第二插接部416,第二阀体510内设有第二流道511,第二阀体510上设有与第二流道511连通的进口512和出口513,第二阀芯520活动套设于第二阀体510内并穿设于第二流道511,第二阀芯520上设有用于连通进口512和出口513的第三流道521,通过驱动第二阀芯520使第三流道521连通进口512和出口513或使第二阀芯520阻断进口512和出口513。
当负压阀500安装好后,通过驱动第二阀芯520使得第三流道521连通进口512和出口513。此时,负压设备能在进口512、第三流道521及出口513处形成负压环境,以使器官内的液体、组织依次通过进口512、第三流道521及出口513排出。当抽吸完成或者不需抽吸时,通过驱动第二阀芯520阻断进口512与出口513连通,断开内窥镜与负压设备的连接。如此,本负压阀500在通道启闭切换时,只需驱动第二阀芯520即可完成,使得切换操作更加方便,有利于确保手术稳定进行。
需要说明的是,驱动第二阀芯520使第三流道521连通进口512和出口513或使第二阀芯520阻断进口512和出口513应理解为:驱动第二阀芯520,使其在第二流道511中进行相应动作,当第三流道521分别与进口512、出口513相对时,进口512与出口513实现连通;当第二阀芯520阻断进口512和出口513中至少一个口时,进口512与出口513则无法通过第三流道521实现连通。
进一步地,请参考图26,壳体100上设有与容置腔110连通的入线孔160。入线孔160用于供与出口513连通的负压设备的连接管穿入。当负压阀500与负压设备连接时,负压设备的连接管可通过入线孔160穿入至容置腔110中,并与负压阀500连接,以实现负压阀500与负压设备的可靠连接,如此,大大方便负压阀500与负压设备之间的连接。
更进一步地,请参考图26,容置腔110的腔壁上设有第一凹槽161。第一凹槽161位于第三安装孔113与入线孔160之间,第一凹槽161用于收容负压设备的连接管。由于负压阀500与负压设备之间具有一段间距,因此,伸入容置腔110内的连接管具有一定长度。为此,对于该部分连接管,本实施例在容置腔110的腔壁上设置第一凹槽161,以便收容一定长度的连接管,避免该部分连接管对内窥镜手柄内部结构造成干涉或者缠绕,使其内部结构分布有序、合理,保证内窥镜能稳定运行。
可选地,第一凹槽161可直接在容置腔110的腔壁上进行挖槽工艺,也可由壳体100的表面向外凸起,并在容置腔110的腔壁上形成。
在一个实施例中,请参考图30与图31,第二阀体510包括主体段514、第一支段515和第二支段516。第一支段515连通于主体段514的一端。第二支段516连通于主体段514的一侧面上。第二流道511开设于主体段514内。进口512开设于第一支段515上,出口513开设于第二支段516上。由此可知,在抽吸液体或组织时,驱动第二阀芯520在主体段514内动作,使得第一支段515与第二支段516通过第三流道521连通。此时,液体或组织会依次流经进口512、第一支段515、第三流道521和第二支段516,并由出口513处排出。
具体地,请参考图30,第一支段515与第二支段516均与主体段514成夹角设置。
进一步地,请参考图31,第二阀芯520移动套接于主体段514内。第二阀芯520的一端设有与第三流道521连通的第一口523。第一口523与进口512连通。第二阀芯520贴设于第二流道511内壁的一侧面上设有与第三流道521连通的第二口522。通过驱动第二阀芯520使第二口522与出口513错位或对应。由此可知,在通道启闭切换中,驱动第二阀芯520在第二流道511中移动。当第二口522与出口513对应时,出口513、第二口522、第三流道521、第一口523及进口512之间则相互连通,使得负压阀500内的通道完全被打开,以便负压设备能对器官内部进行抽取。当第二口522与出口513错位时,出口513与进口512之间无法连通,使得负压阀500内的通道被关闭,此时,负压设备停止工作。
在一个实施例中,请参考图27与图30,第三插接部170为第二插槽171。第四插接部517为与第二插槽171配合的第二插块5171。如此,在固定时,将第二插块5171插入第二插槽171中,使得负压阀500稳定安装在壳体100上。
需要说明的是,第二插槽171与第二插块5171的数量均可为一个、两个或者更多,对此,本实施例可不作具体限定。同时,第二插槽171与第二插块5171之间对应关系也有多种,比如:第二插槽171与第二插块5171一一对应插入配置;或者第二插槽171与第二插块5171为两对一插入配置等。
当然,在其他实施例中,第三插接部170可为第二插块5171。第四插接部517为与第二插槽171配合的第二插槽171。
进一步地,请参考图30,第二插块5171在第二阀体510上沿着第二阀体510的周向延伸设置,这样便于第二插块5171插接在不同方位的第二插槽171上,以便实现同一第二插块5171同时插接在两个或多个第二插槽171上。
在一个实施例中,请参考图27,容置腔110的腔壁上间隔设有第三围板172与第四围板173。第三围板172与第四围板173分别位于第三安装孔113的相对两侧,并围合形成第二插槽171。如此,将第三围板172与第四围板173分别设于第三安装孔113的相对两侧,使得负压阀500穿设于第三安装孔113中时,其上的第二插块5171则正好能插接在第二插槽171中,从而使得负压阀500的安装更加便利。
可选地,第三围板172与第四围板173在壳体100上的安装方式可为但不仅限于螺栓连接、卡接、铆接、焊接、粘接、一体成型方式等。其中,一体成型方式为注塑、3D打印等。
在一个实施例中,请参考图23与图26,壳体100包括第一壳130与第二壳131。第一壳130盖设于第二壳131上,并与第二壳131之间形成容置腔110。第二插槽171包括第三类插槽1711与第四类插槽1712。第三类插槽1711开设于第一壳130上。第四类插槽1712开设于第二壳131上。第二插块5171的一端与第三类插槽1711插接配合,第二插块5171的另一端与第四类插槽1712插接配合。由此可知,本实施例的壳体100由两部分结构组成,当第二壳131配合在第一壳130上时,第二插块5171的相对两端则插接在第三类插槽1711和第四类插槽1712上,使得负压阀500在壳体100内更加稳定。
在一个实施例中,请参考图30,负压阀500还包括第二阀盖530与第二弹性件540。第二阀盖530设于第二阀芯520上。第二弹性件540连接于第二阀盖530与第二阀体510之间,用于驱动第二阀芯520使第二阀芯520阻断进口512和出口513。
可选地,第二弹性件540可为但不仅限于弹簧、弹性橡胶、弹性金属片等。
在一个实施例中,请参考图30,负压阀500还包括第二阀套550。第二阀套550套设于第二阀芯520上,并与第二阀体510连接。
在一个实施例中,请参考图23与图32,内窥镜还包括三通阀600,壳体100的内壁上设有第五插接部180,三通阀600上设有与第五插接部180插接配合的第六插接部630,三通阀600上设有相互连通的第一端口611、第二端口621及第三端口612,第一端口611与负压阀500连通,第二端口621用于与器械通道阀1000连通,第三端口612用于与先端头900的器械通道连通。如此,相比于传统的三通阀600安装方式,此方式无需采用螺栓或者螺钉等部件,减少内窥镜组装过程中零件数量,保证组装过程中简洁、有序。
需要说明的是,第五插接部180和第六插接部630的数量均可为一个、两个、三个或者更多数量,对此,本实施例不作具体限定。
可选地,第五插接部180可为凸状结构,第六插接部630为槽或者孔状结构;或者,第五插接部180可为槽或者孔状结构,第六插接部630为凸状结构。
具体地,请参考图25与图32,第五插接部180为第三插槽181。第六插接部630为与第三插槽181适配的第三插块631,即在安装时,将三通阀600上的第三插块631直接插入壳体100内的第三插槽181内,便可完成装配,极大提高组装效率和便利性。
在一个实施例中,请参考图25,容置腔110的腔壁上设有用于支撑三通阀600的凸座118。第三插槽181开设于凸座118上。如此,在插接的同时,三通阀600也被凸座118所支撑,以避免三通阀600在壳体100内处于悬空状态,使得三通阀600在壳体100内更加稳定,从而有利于提高产品的使用稳定性。
可选地,凸座118在容置腔110的腔壁上的安装方式可为但不仅限于螺栓连接、卡接、粘接、铆接、焊接、一体成型方式等。其中,一体成型可为注塑成型、3D打印成型等。
具体地,请参考图25,凸座118与壳体100为一体化结构,即由容置腔110的腔壁凸起形成。
进一步地,请参考图25,凸座118朝向三通阀600的一侧面上设有第二凹槽182。第二凹槽182用于与三通阀600的外表面相适配,如此,通过第二凹槽182与三通阀600外表面配合,使得三通阀600在凸座118上更加稳定,避免在使用中三通阀600发生左右晃动。
需要说明的是,“相适配”应理解为:第二凹槽182的槽形与三通阀600的外表面形状应保持一致,使得三通阀600的外表面能更好地贴合在第二凹槽182内。
在一个实施例中,请参考图25,凸座118上设有与第三插槽181连通的缺口183。缺口183用于供负压阀500与三通阀600之间的连接管穿设;或者,用于供三通阀600穿设。由此可知,当三通阀600插接在凸座118上时,三通阀600与负压阀500之间具有一连接管。为此,在凸座118上开设缺口183,便于该连接管方便穿出,避免连接管与凸座118之间结构干涉而导致连接管难以布置。当然,在安装过程中,也可将三通阀600的一部分从缺口183中穿出,这样也能有效避免连接管与凸座118之间存在结构干涉的问题,使得内窥镜内部结构布置更加合理。当然,为了便于连接管分布固定,可在壳体100内设置线管支架114,以固定连接管和气水阀400上的管路。
在一个实施例中,请参考图25,凸座118包括支撑板190及设于支撑板190的相对两侧的第一侧板191与第二侧板192。第一侧板191、第二侧板192及支撑板190围合形成第三插槽181。第一侧板191与第二侧板192之间留有缺口183。如此,利用支撑板190、第一侧板191及第二侧板192结构,同时构成第三插槽181和缺口183,有利于简化结构设计。
具体地,请参考图25,支撑板190、第一侧板191及第二侧板192为一体化结构。
在一个实施例中,请参考图23与图26,壳体100包括第一壳130和第二壳131。第一壳130盖设于第二壳131上并与第二壳131形成容置腔110。凸座118包括第一凸座1181与第二凸座1182。第一凸座1181设置于第一壳130。第二凸座1182设置于第二壳131上。第三插槽181包括第五类插槽1811与第六类插槽1812,第五类插槽1811开设于第一凸座1181上,第六类插槽1812开设于第二凸座1182上。第三插块631的一端与第五类插槽1811插接配合,第三插块631的另一端与第六类插槽1812插接配合。由此可知,当第一壳130和第二壳131相互配合时,三通阀600分别支撑在第一凸座1181和第二凸座1182之间;同时,三通阀600上的第三插块631则分别插入第五类插槽1811和第六类插槽1812中,如此,使得三通阀600的安装更加稳定。
需要说明的是,为了便于理解和描述,本实施例将凸座118分为第一凸座1181和第二凸座1182。因此,第一凸座1181、第二凸座1182和凸座118之间仅为称呼上的区别,其结构均为一致或类似的。同样,第五类插槽1811与第六类插槽1812均为第三插槽181的不同称呼,其结构也是一致类似的。
在一个实施例中,请参考图25,凸座118为两个。第三插块631为两个。两个凸座118沿着壳体100的长度方向间隔设置。两个第三插块631沿着三通阀600的长度方向间隔设置。两个凸座118与两个第三插块631一一对应。壳体100上设有与容置腔110连通的第一开口115与第二开口116。第二端口621穿设于第一开口115。第三端口612朝向第二开口116设置。其中一个凸座118的缺口183用于朝向负压阀500设置,另外一个凸座118的缺口183朝向第二开口116设置。
在一个实施例中,请参考图32,三通阀600包括第一管体610与第二管体620。第二管体620一端连通于第二管体620上,第二管体620另一端穿设于第一开口115。第一端口611与第三端口612分别设于第一管体610的相对两端。第二端口621设于第二管体620远离第一管体610的一端。第六插接部630设于第一管体610和/或第二管体620上。如此,使得三通阀600具有良好的三通控制功能。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚 度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
在本发明中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。
需要说明的是,当元件被称为“固定于”或“设置于”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的,并不表示是唯一的实施方式。

Claims (10)

  1. 一种内窥镜,其特征在于,所述内窥镜包括:
    壳体,所述壳体上设有连通所述壳体内外的第一安装孔;
    旋钮装置,所述旋钮装置包括可旋转装设于所述壳体内的第一拉线轮和第二拉线轮以及位于所述壳体外的第一旋钮和第二旋钮,所述第一拉线轮穿过所述第一安装孔伸出所述壳体外,所述第一拉线轮上贯穿设有第一穿孔,所述第二拉线轮穿过所述第一穿孔伸出所述壳体外,所述第一旋钮套设于所述第一拉线轮上,所述第二旋钮叠设于所述第一旋钮上并套设于所述第二拉线轮上;
    制动装置,所述制动装置包括第一制动组件和第二制动组件,所述第一制动组件设于所述第一拉线轮与所述壳体之间,并用于对所述第一旋钮或所述第一拉线轮制动,所述第二制动组件设于第二旋钮背向所述第一旋钮一侧,并用于对所述第二旋钮或所述第二拉线轮制动;
    蛇骨,所述蛇骨位于所述壳体外,并通过牵引线与所述第一拉线轮和所述第二拉线轮分别连接。
  2. 根据权利要求1所述的内窥镜,其特征在于,所述第一制动组件包括第一固定架、第一制动钮及滑动设于所述第一固定架上的至少两个第一制动件,所述第一固定架定位在所述壳体上,所述第一制动钮套设于所述第一固定架外,所述第一制动钮旋转时,能推动所述第一制动件滑动以抱紧所述第一旋钮或所述第一拉线轮。
  3. 根据权利要求2所述的内窥镜,其特征在于,所述第一固定架上设有用于供所述第一拉线轮穿入的第一工作腔,所述第一旋钮伸入所述第一工作腔内并套设于所述第一拉线轮上,所述第一制动钮旋转时,能推动所述第一制动件伸入所述第一工作腔内并抱紧所述第一旋钮。
  4. 根据权利要求1所述的内窥镜,其特征在于,所述旋钮装置还包括设于所述壳体内的第一支架,所述第二拉线轮上贯穿设有第二穿孔,所述第一支架穿过所述第二穿孔并伸出所述壳体外,所述第二制动组件装设于所述第一支架上。
  5. 根据权利要求4所述的内窥镜,其特征在于,所述第二制动组件包括第二固定架、第二制动钮及滑动设于所述第二固定架上的至少两个第二制动件,所述第二固定架定位在所述第一支架上,所述第二制动钮套设于所述第二固定架外,所述第二制动钮旋转时,能推动所述第二制动件滑动以抱紧所述第二旋钮或所述第二拉线轮。
  6. 根据权利要求5所述的内窥镜,其特征在于,所述第一支架上贯穿设有第一固定孔,所述第二制动钮上设有与所述第一固定孔对应的第二固定孔,所述第一固定孔与所述第二固定孔中穿入紧固件,以使所述第二制动钮可旋转地装设于所述第一支架上。
  7. 根据权利要求5所述的内窥镜,其特征在于,所述第二旋钮上设有制动圆环,所述第二固定架上设有用于供所述制动圆环穿入的第二工作腔,所述第二制动钮旋转时,能推动所述第二制动件伸入所述第二工作腔内并抱紧所述制动圆环。
  8. 根据权利要求1-7任意一项所述的内窥镜,其特征在于,所述内窥镜还包括气水阀及设于所述蛇骨上的先端头,所述气水阀嵌装在所述壳体内,所述壳体的内壁上设有第一插接部,所述气水阀上设有与第一插接部插接配合的第二插接部。
  9. 根据权利要求1-7任意一项所述的内窥镜,其特征在于,所述内窥镜还包括负压阀,所述负压阀嵌装在所述壳体内,所述壳体的内壁上设有第三插接部,所述负压阀上设有与第三插接部插接配合的第四插接部。
  10. 根据权利要求9所述的内窥镜,其特征在于,所述内窥镜还包括三通阀,所述壳体的内壁上设有第五插接部,所述三通阀上设有与第五插接部插接配合的第六插接部,所述三通阀上设有相互连通的第一端口、第二端口及第三端口,所述第一端口与所述负压阀连通,所述第二端口用于与器械通道阀连通,所述第三端口用于与先端头的器械通道连通。
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