CN107997732B - Endoscope and have endoscope hose assembly of disposable sleeve - Google Patents

Abstract

The invention discloses an endoscope and an endoscope hose assembly, which solve the problem that the endoscope needs to be disinfected in the detection process.

Description

Endoscope and have endoscope hose assembly of disposable sleeve

Technical Field

The present invention relates to medical devices, and more particularly, it relates to an endoscope and endoscope hose assembly with a disposable sleeve.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. It has image sensor, optical lens, light source lighting, mechanical device, etc. and may enter the stomach orally or through other natural pore canal. Since a lesion that cannot be visualized by X-rays can be seen by an endoscope, the endoscope plays a very important role in medical diagnosis.

Chinese patent publication No. CN 204318701U discloses a portable medical hose electronic endoscope, which has the same structure as that of a conventional endoscope, and is formed by connecting an insertion tube to electronic devices (signal processing, image processing, display, etc.) and installing probes (biopsy device, camera, lamp, etc.) to be detected at the end of the insertion tube, and sending the probes into the body through the insertion tube to detect the internal conditions of the body. Meanwhile, in the using process of some endoscopes in the prior art, the insertion tubes are disinfected and then inserted for inspection, in the process, the insertion tubes are required to enter the human body and can be infected with bacteria, therefore, the endoscope is required to be disinfected after each detection, the disinfection effect is generally not achieved in a short time, the endoscope can be reused after being disinfected for a long time, the detection is easily delayed in the disinfection time, and equipment waste is caused if a plurality of pieces of equipment are adopted. Therefore, in order to examine the speed increase, the insertion tube needs to be improved.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present invention to provide an endoscope hose assembly with a disposable sheath that facilitates disassembly of the hose assembly to form a disposable sheath that can be used without sterilization.

In order to achieve the purpose, the invention provides the following technical scheme: an endoscope hose assembly with a disposable sleeve comprises an insertion tube and a tip part arranged at one end of the insertion tube, wherein the tip part comprises a fixed head and a movable head, the movable head is detachably connected with the fixed head, the movable head is fixedly connected with a sheath, and the sheath is sleeved on the insertion tube.

Through adopting above-mentioned technical scheme, set up split type structure with the tip to let the part that the part is difficult to the installation and dismantles can be fixed to the fixed head, like line of making a video recording and lamp light, and contact with human inside, the part of infecting the bacterium easily, fixed with the expansion end, like biopsy pipeline and aqueous vapor pipeline, like this, reduced inner structure's probability of infecting the bacterium. In addition, the sheath can be isolated with it to can not let the bacterium get into, this kind of setting can be directly pull down activity head and sheath after having detected, changes new structure, and then need not disinfect once more before the inspection, thereby at this in-process, only embolia the sheath and just can accomplish, and is more convenient, detects fast again after disinfecting than it.

The present invention is further preferably: the insert tube include sheath, line of making a video recording, lamp light, aqueous vapor pipeline and biopsy pipeline, aqueous vapor pipeline includes aqueous vapor pipe and aqueous vapor pipe, biopsy pipeline includes biopsy tube and biopsy catheter, aqueous vapor pipe and biopsy tube are all fixed on the movable head, aqueous vapor pipe and biopsy catheter are all fixed on fixed head, aqueous vapor pipe, biopsy tube wear to establish respectively in aqueous vapor pipe, the biopsy catheter.

Through adopting above-mentioned technical scheme, the aqueous vapor pipe is used for leading to aqueous vapor to come out from the activity overhead and wash the camera, because the aqueous vapor pipe will be direct with internal intercommunication, consequently, the aqueous vapor pipe is fixed overhead in the activity, carries away aqueous vapor, for the installation that the aqueous vapor pipe can be accurate on the handle, a fixed aqueous vapor pipe on the fixed head, thereby let the aqueous vapor pipe directly let in the handle position through the aqueous vapor pipe and connect. The biopsy tube is generally used for enabling a stainless steel wire to penetrate through the biopsy tube to enter a body, then the stainless steel wire (biopsy forceps) is controlled at a handle to conduct sampling in the body, if the biopsy tube is not arranged, the stainless steel wire is difficult to enter the body, the biopsy forceps directly enter the body to conduct operation, therefore, bacterial pollution can also occur when the biopsy tube is detected, and therefore the biopsy tube and a biopsy catheter which is convenient for inserting the biopsy tube are arranged on the biopsy tube, and the arrangement is the same as that of a water vapor tube.

The present invention is further preferably: the fixed head on be equipped with the first hole of making a video recording that is used for installing camera on the camera line, be used for installing the first light unthreaded hole of lamp light, be used for installing the first biopsy hole of biopsy catheter and be used for installing the first water gas pocket of aqueous vapor pipe, the activity is overhead to be equipped with respectively with second that the fixed head corresponds make a video recording hole, second light unthreaded hole, second biopsy hole and second water gas pocket, the biopsy tube is installed in second biopsy hole position, the aqueous vapor pipe is installed in second water gas hole position.

Through adopting above-mentioned technical scheme, set up corresponding hole respectively, let activity head and fixed head position relatively fixed to when making up, it is more convenient.

The present invention is further preferably: first hole one end of making a video recording set square hole into, the other end sets round hole into, the one end of fixed head towards the movable head is arranged in to the round hole.

Through adopting above-mentioned technical scheme, on the one hand, the camera has image signal's converter, and the cuboid under general, and the camera lens generally adopts cylindrical structure, consequently, sets first camera shooting hole to one end quad slit other end and is the round hole, can fix the position of camera to make things convenient for the camera lens of camera to confirm in the position of activity head.

The present invention is further preferably: first light hole and second light hole set up in pairs, and set up respectively in first hole of making a video recording and second hole both sides of making a video recording.

Through adopting above-mentioned technical scheme, generally, the light of light is from light source image diffusion all around, and single light source it produces the shadow easily when shining, thereby influence the camera formation of image, in order to eliminate the influence of shadow to the formation of image of making a video recording, all adorn light in camera both sides, consequently, the light through camera both sides lets the shadow of the position of making a video recording under the illumination of two lights and eliminate, thereby reduce the influence of shadow to making a video recording, consequently, set up the first light hole and the second light hole that set up in pairs in the both sides in first hole of making a video recording and second hole of making a video recording, with the installation light source.

The present invention is further preferably: the fixed head is connected with a guide sleeve, the camera shooting line, the lamp light, the water and gas pipeline and the biopsy pipeline are arranged in the guide sleeve, and the guide sleeve is sleeved with the protective sleeve.

Through adopting above-mentioned technical scheme, the setting up of guide pin bushing can let the sheath have certain guide effect when cup jointing, and then because the guide effect of the existence of guide pin bushing, tie the line of each function when changing activity head and sheath to make things convenient for the sheath to follow and trade.

The present invention is further preferably: the end part of the fixed head is connected with a bending part which is fixedly connected with the fixed head.

The present invention is further preferably: the fixed head deviate from the one end of activity head and be equipped with fixed cover, fixed cover is last to be equipped with a plurality of axes and the perpendicular screw hole of fixed cover axis, fixed cover is established on the flexion, and fixed through the bolt that wears to establish at the screw hole.

Through adopting above-mentioned technical scheme, through the flexion, realize the bending of tip to the observation scope is great relatively, and in addition, the setting up of fixed cover can let the flexion can be connected with it, thereby lets the flexion when the control tip, has the direct power transmission of fixed cover, rather than relying on outside sheath to transmit, and what move about is compared in the sensitivity. Inside the sheath, can also set up the one deck beam tube, the beam tube is the same with the sheath structure, but the external diameter is less than the sheath external diameter, ties each line to make things convenient for cup jointing of sheath, in addition, the beam tube can be connected with the flexion tip, like this, constitutes a whole.

Another object of the present invention is to provide an endoscope which solves the problem of the need for disinfection of the endoscope during use, mainly through the detachable design of the insertion tube.

An endoscope comprises an operating handle, wherein one end of the operating handle is connected with the endoscope hose assembly, and the other end of the operating handle is connected with a control host.

Through adopting above-mentioned technical scheme, adopt above-mentioned hose assembly's endoscope, can directly take off activity head and sheath when using, when examining again, insert new activity head and sheath to need not disinfect, the efficiency that detects like this increases, thereby can bring conveniently for more patients and doctors. In addition, the movable head and the sheath can be made into a disposable or disposable type, the disposable or disposable type can be placed on one side after the detection is completed, the sterilization and the cleaning are carried out subsequently, the disposable or disposable type is used subsequently, the sterilization and the detection are separated, and the purpose that the sterilization is not needed during the detection is achieved. In addition, the disposable sheath and the movable head can be directly removed, so that the disposable sheath and the movable head are more convenient to use. The selection can be made according to the requirements.

Drawings

FIG. 1 is a view of the construction of the operating handle and the portion of the insertion tube;

fig. 2 is a view showing a tip end structure;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4a is a view showing an inner structure of the insertion tube and a connection structure with the tip portion;

FIG. 4B is an enlarged view at B in FIG. 4 a;

FIG. 5 is a front end structure view;

FIG. 6 is a view of the structure of the movable head;

FIG. 7 is a view of the movable head showing the internal structure;

FIG. 8 is a cross-sectional view of the movable head;

FIG. 9 is a view of the flexure and articulating head connection;

FIG. 10 is a view showing the structure of the connection of the water/air conduit and the operating handle;

fig. 11 is an overall configuration diagram of the endoscope.

Reference numerals: 1. a sheath; 10. a guide sleeve; 2. a tip portion; 21. a fixed head; 211. a first camera hole; 212. a first water vent; 213. a first biopsy hole; 214. a first light hole; 215. a threaded hole; 216. trepanning; 217. a square hole; 218. a cylindrical bore; 219. a bolt; 22. a movable head; 221. a second camera hole; 222. a second water vent; 223. a second biopsy hole; 224. a second light hole; 23. fixing a sleeve; 3. an insertion tube; 31. a camera line; 311. a camera; 32. a water and gas pipeline; 321. a water gas conduit; 322. a water gas pipe; 33. a light ray; 34. a biopsy line; 341. a biopsy tube; 342. a biopsy catheter; 4. a bending section; 5. a control host; 6. an operating handle; 61. and a water vapor outlet.

Detailed Description

The invention will now be described in detail with reference to the accompanying figures 1-11 and examples.

An endoscope, as shown in fig. 1, 2 and 11, comprises an operating handle 6, wherein one end of the operating handle 6 is connected with an endoscope hose assembly, and the other end is connected with a control host 5. As shown in fig. 3 to 6, the endoscope hose assembly includes an insertion tube 3 and a distal end portion 2 attached to an end of the insertion tube 3. The tip portion 2 includes a fixing head 21 mounted on the insertion tube 3; and the movable head 22 is detachably connected with the fixed head 21. The inserting tube 3 comprises a camera line 31, a lamp light 33, a water vapor pipeline 32 and a biopsy pipeline 34, the camera line 31 and the lamp light 33 are fixedly installed on the fixed head 21, the outer sleeve of the inserting tube 3 is provided with a sheath 1, the movable head 22 is fixedly connected with the sheath 1, the water vapor pipeline 32 comprises a water vapor pipe 322 and a water vapor guide pipe 321, the biopsy pipeline 34 comprises a biopsy pipe 341 and a biopsy guide pipe 342, the water vapor pipe 322 and the biopsy pipe 341 are fixed on the movable head 22, the water vapor guide pipe 321 and the biopsy guide pipe 342 are fixed on the fixed head 21, the water vapor pipe 322 and the biopsy pipe 341 are respectively arranged in the water vapor guide pipe 321 and the biopsy guide pipe 342 in a penetrating.

The fixed head 21 is provided with a first camera hole 211, a first water air hole 212, a first biopsy hole 213 and a first light hole 214, a camera 311 is installed in the first camera hole 211, the first water air hole 212 is connected with a water air sleeve, the first biopsy hole 213 is connected with a biopsy sleeve, the first light hole 214 is provided with a light ray 33, and the light ray 33 is formed by connecting a light source line and fixedly installing a light source in the hole. The movable head 22 is provided with a second imaging hole 221 corresponding to the first imaging hole 211, a second water air hole 222 corresponding to the first water air hole 212, a second biopsy hole 223 corresponding to the first biopsy hole 213, and a second lamp hole 224 corresponding to the first lamp hole 214.

The second water air hole 222 is connected with a water-air pipe 322, the water-air pipe 322 is arranged in a water-air conduit 321 in a penetrating manner (as shown in fig. 4a and 4 b), one end of the water-air conduit 321 is connected with the fixed head 21, and the other end of the water-air conduit 321 is connected with the operating handle 6. as shown in fig. 10, the operating handle 6 is provided with a water-air outlet 61, the water-air outlet 61 comprises an outer opening and an inner opening, the diameter of the outer opening is larger than that of the inner opening, a water conveying sleeve is sleeved on the outer opening, and the water-air conduit 321 is arranged along the water conveying sleeve in a penetrating manner and sleeved. An inclined guide surface can be arranged between the inner opening and the outer opening, so that an inclined guide part is formed on the outer surface of the inner opening, and the water-gas conduit 321 is conveniently connected with the inclined guide part.

As shown in fig. 4a and 5, the camera 311 generally includes a rectangular parallelepiped structure, one end of which is connected to a wire, and the other end of which is a cylindrical lens, and the lens captures an image, and converts the image into an electronic signal through the rectangular parallelepiped structure and transmits the electronic signal through the wire. Therefore, as shown in fig. 7, the first camera hole 211 is provided with a square hole 217 having a square cross section to match the rectangular parallelepiped structure at one end, and a cylindrical hole 218 to match the cylindrical lens to limit the position of the camera 311 at the other end. The second camera hole 221 is formed as a cylindrical through hole, and the lens is disposed in the second camera hole 221. A transparent separation plate (not shown in the drawings) is arranged at one end of the second camera hole 221, which is away from the first camera hole 211, and the transparent separation plate can isolate external substances from contacting the lens, so that the lens can be kept in a relatively clean state.

Generally speaking, in order to make the image capture more clear, the glass sheet or the blocking sheet outside the lens needs to be cleaned, so that the dirt is cleaned, the image capture effect of the camera 311 is not affected, and the water hole is arranged close to the image capture hole. When the fuzzy state appears in making a video recording, the outside glass piece that separates baffle or camera lens is washd through aqueous vapor hole blowout aqueous vapor to it is more clear when making a video recording to let the camera lens. In order to observe the surface symptoms of internal organs more clearly, a light source arranged in the light hole provides light rays for shooting. The first light hole 214 and the second light hole 224 are both arranged in pairs, respectively distributed on both sides of the camera hole, and arranged in central symmetry. The setting is in the hole both sides of making a video recording, can provide the light source in the hole both sides of making a video recording for make a video recording can not have the existence of shadow, improved the definition of making a video recording. The light source can adopt the optical fiber transmission, and lamp light 33 adopts the optical fiber to constitute promptly, and like this, the conveying of light is more convenient, and is not direct to be light energy through electric energy conversion, does not need the transformation structure to let tip portion 2 need not increase extra space, let tip portion 2 keep less volume. In addition, a transparent plate is disposed at an end of the second lamp hole 224 away from the fixing head 2121 to prevent impurities from contacting the lamp tube.

The kink guide tube connected to the first biopsy hole 213 is fixed to the fixing head 21 at one end and the control handle at the other end, and a biopsy tube 341 (the same arrangement as the water gas tube 322) may be disposed in the second biopsy hole 223, and the biopsy tube 341 is communicated with the second biopsy hole 223 and the biopsy tube 341 is inserted into the biopsy guide tube 342 (as shown in fig. 4a and 4 b) and communicated with the entrance hole of the control handle.

The biopsy tube 341 may be directly formed by a biopsy catheter 342, and a trepan 216 (shown in fig. 5) is provided in the first biopsy hole 213, the trepan 216 being coaxial with the first biopsy hole 213, and the trepan 216 having a larger diameter than the first biopsy hole 213. An extension tube having an inner diameter equal to the inner diameter of the biopsy tube 341 and an outer diameter equal to the inner diameter of the sleeve hole 216 is connected to the second biopsy hole 223. The extension tube is directly inserted into the sleeve hole 216 to be matched, the second biopsy hole 223 is matched with the first biopsy hole 213, the biopsy forceps can conveniently penetrate through the biopsy tube 341 and simultaneously penetrate through the first biopsy hole 213 and the second biopsy hole 223, and finally the biopsy forceps enter the detected position to perform sampling detection.

The outer edge of the movable head 22 is provided with a sheath 1, the inner diameter of the sheath 1 is larger than that of the fixed head 21, and the sheath 1 is sleeved on the fixed head 21, extends to the control handle and is detachably connected with the control handle. One end of the fixed head 21 and the movable head 22 is connected with a bending part 4 (as shown in fig. 9), the fixed head 21 is controlled to bend, so that the position of the camera changes, the condition of the inner wall of the surrounding trachea can be seen, and the internal condition can be known more comprehensively, and the specific structure of the bending part 4 is the prior art, so that details are not described in the invention. The fixing head 21 is connected with a guide sleeve 10, the camera line 31, the lamp light line 33, the water and gas pipeline 32 and the biopsy pipeline 34 are arranged in the guide sleeve 10, and the sheath 1 is sleeved on the guide sleeve 10. The arrangement of the guide sleeve 10 can lead the sheath 1 to have a certain guiding function when being sleeved, and then the wires with various functions are bound due to the guiding function of the guide sleeve 10 when the movable head 22 and the sheath 1 are replaced, thereby facilitating the replacement of the sheath 1.

As shown in fig. 6 and 7, a fixing sleeve 23 is connected to an end of the fixing head 21 away from the movable head 22, the fixing sleeve 23 is fixedly connected to the fixing head 21, a plurality of threaded holes 215 are formed in the fixing sleeve 23, the bending portion 4 is sleeved with the fixing sleeve 23, and a bolt 219 is screwed in the threaded hole 215 to fix the fixing sleeve 23 and the bending portion 4. As shown in fig. 8, in order to facilitate fixing of the respective pipe lines to the fixing head 21, screw holes 215 are similarly formed in the fixing head 21 at positions corresponding to the respective holes, and bolts 219 are screwed into the screw holes 215 to fix the pipe lines. The bolts 219 are all composed of a single screw, one end of each bolt is fixed, and the end face of the other end of each bolt is provided with a groove, so that the bolts are convenient to install.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (7)

1. An endoscope hose assembly with a disposable sleeve, comprising an insertion tube and a tip portion mounted at one end of the insertion tube, characterized in that: the tip part comprises a fixed head and a movable head, the movable head is detachably connected with the fixed head, the movable head is fixedly connected with a sheath, and the sheath is sleeved on the insertion tube; the inserting tube comprises a camera line, a lamp light, a water and gas pipeline and a biopsy pipeline, the camera line and the lamp light are fixedly arranged on the fixed head, the outer part of the inserting tube is sleeved with the sheath, the movable head is fixedly connected with the sheath, the water and gas pipeline comprises a water and gas pipe and a water and gas catheter, the biopsy pipeline comprises a biopsy pipe and a biopsy catheter, the water and gas pipe and the biopsy pipe are both fixed on the movable head, the water and gas catheter and the biopsy catheter are both fixed on the fixed head, and the water and gas pipe and the biopsy pipe are respectively arranged in the water and gas catheter and the biopsy catheter in; the fixing head is provided with a first camera hole, a first water air hole, a first biopsy hole and a first light hole, the camera is arranged in the first camera hole, the first water air hole is connected with a water-air sleeve, the first biopsy hole is connected with a biopsy sleeve, the first light hole is provided with light rays, and the light rays are formed by connecting light source lines and fixedly arranging light source lifters in the holes of the light rays; a second camera hole corresponding to the first camera hole, a second water air hole corresponding to the first water air hole, a second biopsy hole corresponding to the first biopsy hole and a second light hole corresponding to the first light hole are respectively arranged on the movable head; the second water-gas hole is connected with a water-gas pipe, the water-gas pipe is arranged in the water-gas guide pipe in a penetrating way, one end of the water-gas guide pipe is connected with the fixed head, the other end of the water-gas guide pipe is connected with an operating handle, a water-gas outlet is arranged on the operating handle, the water-gas outlet comprises an outer opening and an inner opening, the diameter of the outer opening is larger than that of the inner opening, a water delivery sleeve is sleeved on the outer opening, and the water-gas guide pipe is arranged along the water delivery sleeve in a penetrating way and sleeved; an inclined guide surface can be arranged between the inner opening and the outer opening, so that an inclined guide part is formed on the outer surface of the inner opening, and a water-gas guide pipe is conveniently connected with the inclined guide part; one end of the fixed head, which is far away from the movable head, is connected with a fixed sleeve, the fixed sleeve is fixedly connected with the fixed head, a plurality of threaded holes are formed in the fixed sleeve, the bent part is sleeved with the fixed sleeve, and a bolt is screwed in the threaded hole to fix the fixed sleeve and the bent part; in order to facilitate the fixation of each pipeline circuit and the fixing head, threaded holes are also formed in the positions, corresponding to the holes, of the fixing head, bolts are screwed in the threaded holes for fixation, the bolts are all composed of single screws, one end of each bolt is fixed, and the end face of the other end of each bolt is provided with a groove.

2. The endoscope hose assembly with disposable sleeve of claim 1, wherein: first hole one end of making a video recording sets to the quad slit, and the other end sets to the round hole, the one end of fixed head towards the activity head is arranged in to the round hole.

3. The endoscope hose assembly with disposable sleeve of claim 1, wherein: the first light hole and the second light hole are arranged in pairs and are respectively arranged at two sides of the first camera hole) and the second camera hole.

4. The endoscope hose assembly with disposable sleeve of claim 1, wherein: the fixed head is connected with a guide sleeve, the camera shooting line, the lamp light, the water and gas pipeline and the biopsy pipeline are arranged in the guide sleeve, and the guide sleeve is sleeved with the protective sleeve.

5. The endoscope hose assembly with disposable sleeve of claim 4, wherein: the end part of the fixed head is connected with a bending part which is fixedly connected with the fixed head.

6. An endoscope hose assembly with disposable sleeve according to claim 5 and also characterized in that: the fixed head deviates from the one end of activity head and is equipped with fixed cover, fixed cover is last to be equipped with a plurality of axis and the perpendicular screw hole of fixed cover axis, fixed cover is established on the flexion, and is fixed through the bolt that wears to establish at the screw hole.

7. An endoscope, characterized by: comprises an operating handle, one end of the operating handle is connected with the endoscope hose assembly with the disposable sleeve pipe according to any one of claims 1-6, and the other end of the operating handle is connected with a control host.

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