CN115040055A - Push-pull type endoscope handle - Google Patents

Abstract

The invention relates to a push-pull type endoscope handle, which comprises a detection handle, a detection hard tube, a detection soft tube and a detection tip; the detection handle is connected with the detection hard tube, the detection hard tube is connected with the detection hose, and the detection hose is connected with the detection front end; the detection handle comprises a control assembly, and the control assembly comprises an operating rod and a rotating disc; the operating rod is movably connected with the rotating disc and drives the rotating disc to rotate along linear motion; the detection hard tube is connected with one end of the detection handle; the other end of the detection hard tube is connected with the detection hose, the detection hose is connected with a plurality of movable joints, and guide wires are arranged on the movable joints and are connected with the rotating disc; the detection tip is connected with one end of the detection hose, and a camera module and an illumination module are arranged on the detection tip and used for providing detection information feedback.

Description

A push-pull endoscope handle

technical field

The invention relates to the technical field of endoscopes, in particular to a push-pull endoscope handle.

Background technique

Medical endoscope is a testing instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. Medical endoscopes are observation and surgical equipment among medical devices. Traditional endoscopes are expensive and generally cannot be bent by rigid endoscopes. The structural design of other soft endoscopes generally uses push rods to rotate to control snake bones, and the structure is complex. . The direction of the camera module is small. not convenient.

Chinese patent document CN114027771A discloses a steering control device for an arthroscope, the innovative point of which is that it includes a snake-bone module arranged between the image acquisition lighting module and the arthroscope body, and a Steering control module, the steering control module includes a steering sleeve shaft, a steering sleeve ring, a rotating shaft cover, a cover plate lock, a locking nut and a steering key, the steering sleeve ring is arranged in the operating handle, and the steering sleeve shaft rotates It is arranged in the steering collar, the cover plate of the rotating shaft is installed on the outer end face of the steering collar, the end of the steering sleeve shaft extending out of the cover plate of the rotating shaft is provided with a steering key, and the inner side of the steering key is provided with a cover plate lock. The lock is sleeved on the steering sleeve shaft and pressed on the steering sleeve ring. The outer side of the steering key is provided with a locking nut, and the locking nut is connected with the outer end of the steering sleeve shaft. The traction wire rope of the snake bone module is wound. on the steering sleeve shaft. This patent enables the arthroscope to be steered at multiple angles, expands the image viewing angle range, and avoids multiple large-scale rotation and swing operations. However, the rotation is completed by the rotation of the steering control module, and the operation range is large. The guide wire is controlled, and the operation structure is complicated.

To sum up, there is an urgent need for a push-pull endoscope handle with a simple and efficient structure and easy operation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a push-pull endoscope handle with a simple and efficient structure and easy operation.

For realizing the above-mentioned purpose, the technical scheme that the present invention takes is:

A push-pull endoscope handle includes a detection handle; the detection handle includes a control assembly, the control assembly includes an operating rod and a rotating disk; the operating rod is movably connected with the rotating disk, and the operating rod is along a straight line The movement drives the rotating disk to rotate; the rotating disk is connected with the guide wire.

As a preferred technical solution, the rotating disk is connected with two guide wires through two connecting parts, and the guide wires are connected in opposite directions around the rotating disk.

As a preferred technical solution, the detection handle is provided with a guide rail, and the operating rod is provided with a guide block, and the guide block is movably connected with the guide rail. As a preferred technical solution, a damping device is provided on the rotating disc, and a damping sheet is wrapped on the damping device, and the damping sheet is used to prevent the rotating disc from rotating freely.

As a preferred technical solution, the detection handle is provided with a blocking block and a guide groove for sliding the blocking block under the detection handle, and the blocking block is opposite to the damping device.

As a preferred technical solution, the push-pull endoscope handle further includes a detection tube, a detection hose, and a detection tip; the detection handle is connected to the detection tube, and the detection tube is connected to the detection tube. the detection hose is connected with the detection tip; the detection hard pipe is connected with one end of the detection handle, and the inside is a hollow structure; the other end of the detection hard pipe is connected with the detection hose, The detection hose is connected by a plurality of hollow movable joints, and the movable joints are movably connected, wherein the movable joint is provided with the guide wire, and the detection tip is connected with one end of the detection hose, The detection tip is provided with a camera module and a lighting module for providing detection information feedback; one end of the detection handle is provided with a signal line, and the signal line is electrically connected with the camera module and the lighting module. As a preferred technical solution, the rotating disk is provided with a damping device, and the detection handle further includes an instrument channel joint; the instrument channel joint is connected with an instrument channel tube, and the instrument channel tube is arranged in the detection The handle, the detection hard tube, the detection hose, and the detection tip are used to provide a channel for the use of surgical instruments. The detection tip is also provided with an instrument hole, and the instrument hole communicates with the instrument channel.

As a preferred technical solution, one end of the movable joint is provided with a connecting head, and the other end is provided with a connecting groove adapted to the connecting head; the connecting head is movably connected with the connecting groove.

As a preferred technical solution, the rotating plate is a gear plate, and correspondingly, the operating rod is provided with a straight rack meshing with the gear of the rotating plate.

As a preferred technical solution, the detection handle is movably connected to the detection hard tube.

The advantages of the present invention are:

1. The push-pull endoscope handle includes a detection handle, a detection tube, a detection hose, and a detection tip; the detection handle is connected to the detection tube, and the detection tube is connected to the detection hose , the detection hose is connected with the detection tip; the detection handle includes a control assembly, and the control assembly includes an operating rod and a rotating disk; the operating rod is movably connected with the rotating disk, and the operating rod is along a straight line The movement drives the rotating disk to rotate; the rotating disk is connected with the detection hose through the guide wire to control the bending of the detection hose, so that the detection angle can be adjusted by the translation of the operating rod.

2. The rotating disk is provided with a damping device, which is wrapped with a damping sheet, the damping sheet is used to prevent the rotating disk from rotating freely, and the detection handle is provided with a blocking block and a blocking block under it. The sliding guide groove, the blocking block is opposite to the damping device, so that pressing the blocking block can realize the contact between the blocking block and the damping sheet, so as to prevent the displacement of the rotating disk under the action of the guide wire, and when When the blocking block is separated from the damping device, it is convenient to push the operating rod to perform the deflection operation of the lens.

Description of drawings

1 is a schematic diagram of the handle of the push-pull endoscope of the present invention.

FIG. 2 is a schematic diagram of the push-pull endoscope handle and its matching parts of the present invention.

FIG. 3 is a schematic diagram of the control assembly of the push-pull endoscope handle of the present invention, which cooperates with the guide rail.

FIG. 4 is a schematic diagram of another mode of cooperation between the guide block and the guide rail of the push-pull endoscope handle of the present invention.

FIG. 5 is a partial cross-sectional view of the push-pull endoscope handle and its matching parts of the present invention.

6 is a schematic diagram of the movable joint of the detection hose of the push-pull endoscope handle of the present invention.

FIG. 7 is a partial cross-sectional view of another push-pull endoscope handle and its matching parts of the present invention.

8 is a schematic diagram of the detection tip of another push-pull endoscope handle of the present invention.

Figure 9 is another push-pull endoscope handle of the present invention.

Figure 10 is another push-pull endoscope handle of the present invention.

Detailed ways

The present invention will be further described below in conjunction with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that those skilled in the art can make various changes or modifications to the present invention after reading the contents described in the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

The reference numerals and components involved in the drawings are as follows:

1. Handle 2. Probe hard tube 3. Probe hose

4. Detection tip 11. Detection body 12. Detection upper cover

13. Control assembly 14. Guide rail 15. Protective cover

16. Block 17. Instrument channel connector 18. Anti-winding sleeve

19. Resistance bar 21. Rotary handle 31. Guide wire

41. Camera module 42. Lighting module 43. Signal line

44. Instrument hole 131. Operating lever 132. Turning plate

1321. Connection part 1322. Damping device 10. Guide block

32. Active joint 321. Connecting head 322. Connecting groove

Example 1

Please refer to Figure 1 and Figure 2, Figure 1 is a schematic diagram of the push-pull endoscope handle of the present invention; Figure 2 is a schematic diagram of the push-pull endoscope handle of the present invention and its fittings. A push-pull endoscope handle includes a detection handle 1, a detection hard tube 2, a detection hose 3, and a detection tip 4; the detection handle 1 includes a detection body 11 and a detection upper cover 12, and the detection upper cover 12 and The detection body 11 is detachably engaged, and the detection body 11 is provided with a control assembly 13 for controlling the steering of the detection hose 3. The control assembly 13 includes an operating rod 131 and a rotating disc 132. The detection body 11. There is a rectangular through hole on it. The operating rod 131 is set in the rectangular through hole and can slide along the through hole. The bottom of the operating rod 131 is a straight rack structure, and the rotating disk is engaged with the straight rack. 132, that is, the rotating disk 132 is a gear structure, the detection body 11 is provided with a shaft, the rotating disk 132 is sleeved on the shaft, and can rotate around the shaft. In the initial state, the operating rod 131 is located at the center of the through hole, and the detection hose 3 is in an initial straight state; please refer to FIG. 3, which is a schematic diagram of the control assembly of the push-pull endoscope handle of the present invention and the guide rail; in order to keep the adjustment The detection main body 11 is also provided with a guide rail 14. The guide rail 14 is in the same direction as the through hole, which provides a stable support for the straight rack connected to the operating rod 131, so that it can move along the guide rail. 14 moves stably, and is connected with the guide block 10 on one side of the straight rack. The guide block 10 has a cuboid structure. The guide rail 14 is provided with a groove that matches the guide block 10, and the guide block 10 follows the groove. The groove moves, and the guide rail 14 restricts the displacement of the straight rack through the cooperation of the groove and the guide block 10, which greatly improves the stability of the operating rod 131; please refer to FIG. A schematic diagram of another mode of cooperation between the guide block of the endoscope handle and the guide rail; in some preferred embodiments, the guide rail 14 is a long strip, and the guide block 10 is wrapped around the periphery of the guide rail and moves along the guide rail 14. The guide rail 14 itself is the moving track of the guide block 10, and can also provide system stability for the control assembly 13; the rotating plate 132 is provided with a connecting portion 1321. In this embodiment, the connecting portion 1321 is a A rod-shaped structure with a ring extending out of the turntable of the rotating disk 132, the connecting portion 1321 is used to fix the guide wire 31, and the other end of the guide wire 31 is connected to the end of the detection hose 3, so There are two guide wires 31, which are symmetrically arranged on both sides of the detection hose 3, and their ends are wound around the rotating disk 132 in the opposite direction, so that when the rotating disk 132 rotates clockwise and counterclockwise, it drives the The detection hose 3 is turned in the opposite direction.

Please refer to Figure 2 and Figure 5, Figure 5 is a partial cross-sectional view of the push-pull endoscope handle and its matching parts of the present invention. One end of the detection handle 1 is connected with the detection hard pipe 2, which is a hollow straight pipe for providing detection depth, and the detection hard pipe 2 is connected with the detection hose 3. Please refer to the appendix. Fig. 6, Fig. 6 is a schematic diagram of the movable joint of the detection hose of the push-pull endoscope handle of the present invention; the detection hose 3 is connected by a plurality of movable joints 32, and the movable joint 32 is a hollow structure, and one end of which is provided with There is a connecting head 321, and the other end is provided with a connecting groove 322 adapted to the connecting head 321; when the connecting head 321 is matched with the connecting groove 322, the connecting head 321 can be inserted into the connecting groove 322 Rotate to realize the bending of the detection hose 3; preferably, the outer sleeve of the detection hose 3 is connected with a protective cover, and the protective cover can be a rubber cover; the other end of the detection hose 3 is connected with a detection tip 4 , the detection tip 4 is provided with a camera module 41 and an illumination module 42 for providing detection information feedback, the camera module is a camera located at the end, and an illumination module 42 composed of LEDs is arranged on both sides of the camera module. The camera module 41 and the lighting module 42 provide power and signal transmission channels through the signal line 43, and the signal line 43 passes through the detection hose 3 and the detection hard pipe 2, and is connected to the In the detection handle 1, the other end of the detection handle 1 passes through, and one end of the signal line 43 is provided with a plug for connecting with an external imaging device. It should be understood that a PCB circuit board can be arranged in the detection body 11. , to complete the transfer of the signal line 43 . A protective cover 15 is provided at the position where the detection handle 1 is connected to the detection hard tube 2 and at the source of the signal wire 43 for transitional protection of the interface.

Please refer to FIG. 3 again, the rotating disk 132 is provided with a damping device 1322 thereon, and the damping device 1322 is a columnar structure protruding from the rotating disk 132, which can be a damping sheet wrapped on the shaft, Correspondingly, the damping device 1322 is sleeved in the installation groove (not shown in the figure), and the installation groove is a cylindrical cavity structure on the side wall of the detection handle, which is coaxial with the shaft of the rotating disk 132, and the damping device 1322 and the damping sheet on it are attached to the groove wall, and have a damping effect, which can prevent the rotating disk 132 from rotating freely, and can realize that after the translation operating rod 131 changes the direction of the detection hose 3, the rotating disk 132 will not guide the Displacement occurs under the action of the guide wire 31 . It should be understood that its damping is used to prevent the pulling force of the guide wire 31 to the rotating disk 132 , and the rotation of the rotating disk 132 can still be pushed by applying a certain force to the operating rod 131 .

How to use the present invention: Sterilize the handle of the push-pull endoscope, use the handle of the push-pull endoscope to carry out related medical examinations, during the inspection, you can hold the detection handle 1, and use your thumb to push it back and forth The operating lever 131 is used to realize the bending of the detection hose 3, that is, to realize the steering of the detection tip 4, so that the camera on it can provide different detection fields, and the detection handle 1 can be rotated to realize different detection hoses. 3 Range detection in swing direction.

It should be noted that: the push-pull endoscope handle includes a detection handle 1, a detection hard tube 2, a detection hose 3, and a detection tip 4; the detection handle 1 is integrated with corresponding functional elements and adjustment mechanisms; The detection hard tube 2 can provide detection depth, that is, the end can reach the site to be detected stably; the detection hose 3 is connected by a number of movable joints 32, which can realize steering, and drive the camera on the detection tip 4 to complete the detection of different areas. Detection; the detection tip 4 is integrated with a detection module to provide a stable detection end; the detection handle 1 includes a control assembly 13, and the control assembly 13 includes an operating rod 131 and a rotating disk 132, and the operating rod 131 It is movably connected with the rotating disk 132, and the operating rod 131 drives the rotating disk 132 to rotate along a linear motion; the rotating disk 132 is connected with the detection hose 3 through the guide wire 31 to control the bending of the detection hose 3 , the detection angle can be adjusted by the translation of the operating rod 131 , which greatly reduces the operation complexity.

Example 2

Please refer to Figure 7 and Figure 8, Figure 7 is a partial cross-sectional view of another push-pull endoscope handle of the present invention and its fitting, Figure 8 is the detection of another push-pull endoscope handle of the present invention Schematic diagram of the tip. This embodiment is basically the same as Embodiment 1, and the difference is that this embodiment is basically the same as Embodiment 1, and the difference is that the detection handle 1 further includes an instrument channel joint 17 , and the instrument channel joint 17 It is a Luer connector and is connected with an instrument channel tube. The detection tip 4 is also provided with an instrument hole 44. The instrument hole 44 communicates with the instrument channel. The instrument channel tube is the detection handle 1, the detection The hollow channel in the rigid tube 2 and the detection hose 3 is used to provide a channel for the use of surgical instruments, so as to realize the multifunctional minimally invasive surgical application of the push-pull endoscope handle.

Example 3

Please refer to FIG. 9, which is another push-pull endoscope handle of the present invention; this embodiment is basically the same as the second embodiment, the difference lies in that the detection handle 1 is provided with a blocking block 16 under it. And the guide groove for the sliding block 16, the blocking block 16 is opposite to the damping device 1322, the damping device 1322 is also a damping sheet wrapped on the shaft, the difference is that the damping device 1322 is not connected with the detection handle. The side walls are in contact with each other and are suspended in the handle cavity; the bottom of the detection handle 1 is a semi-circular protrusion, and the rotating disk 132 is arranged in the semi-circular protrusion. Preferably, the position of the blocking block 16 is located at The lower semicircle protrudes on the front side, so that when holding, the thumb is located on the operating rod 131 and the index finger is located on the blocking block 16, and pressing the blocking block 16 can make the blocking block 16 and the damping plate on the damping device 1322 contact with each other. Fitted to prevent the displacement of the rotating disk 132 under the action of the guide wire 31 , and when the force on the blocking block 16 is canceled, the rotating disk 132 can rotate freely, which is convenient for pushing the operating lever 131 to deflect the lens.

Example 4

Please refer to FIG. 10, FIG. 10 is another push-pull endoscope handle of the present invention; this embodiment is basically the same as embodiment 1, and the difference lies in that the detection handle 1 and the detection hard tube 2 Actively connected, the detection hard tube 2 can be rotated relative to the detection handle 1. Specifically, the detection handle 1 is provided with an anti-winding sleeve 18, and the anti-winding sleeve 18 is respectively provided on the rotating disk 132. The guide wire 31 is passed through, the guide wire 31 passes through the anti-winding sleeve 18 and then passes through the detection hard tube 2 and is connected to the movable joint 32 on the detection hose 3. The detection The hard tube 2 is provided with a rotary handle 21. Correspondingly, the detection handle 1 is provided with a resistance bar 19, which is used to limit the rotation range of the rotary handle 21, so that the rotary handle 21 is left and right in the initial position. The rotation range is 180 degrees; to prevent excessive winding of the guide wire 31 from affecting detection, the anti-winding sleeve 18 prevents the guide wire 31 from twisting near the rotating disk 132, which affects the operation of the control assembly 13; preferably, in some implementations In this example, the rotation range can be further reduced; in this embodiment, the detection handle 1 is movably connected to the detection tube 2 so that the wrist does not need to be rotated, and two guide wires 31 can be used to achieve a wide range of detection.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and supplements can be made, and these improvements and supplements should also be considered as It is the protection scope of the present invention.

Claims (10)

1. A push-pull endoscope handle is characterized by comprising a detection handle; the detection handle comprises a control assembly, and the control assembly comprises an operating rod and a rotating disc; the operating rod is movably connected with the rotating disc and drives the rotating disc to rotate along linear motion; the rotating disc is connected with the guide wire.

2. A push-pull endoscope handle according to claim 1 and wherein the rotary disk has two guide wires attached thereto via two connections, the guide wires being connected in opposite directions around the rotary disk.

3. A push-pull endoscope handle according to claim 1 and wherein said probe handle has a guide track therein and said operating rod has a guide block thereon, said guide block being movably connected to said guide track.

4. A push-pull endoscope handle according to claim 1 and wherein the rotary disk is provided with damping means, the damping means being damping fins wrapped around the shaft, the damping fins being adapted to prevent the rotary disk from freely rotating.

5. A push-pull endoscope handle according to claim 4 and wherein below the probe handle there is a stop block opposite the damping device and a guide channel for the stop block to slide.

6. A push-pull endoscope handle according to claim 1 and further comprising a probing hard tube, a probing soft tube, a probing tip; the detection handle is connected with the detection hard tube, the detection hard tube is connected with the detection hose, and the detection hose is connected with the detection front end; the detection hard tube is connected with one end of the detection handle and is of a hollow structure; the other end of the detection hard tube is connected with the detection hose, the detection hose is connected by a plurality of hollow movable joints, the movable joints are movably connected, the guide wire is arranged on the movable joints, the detection front end is connected with one end of the detection hose, and a camera module and an illumination module are arranged on the detection front end and used for providing detection information feedback; and a signal wire is arranged at one end of the detection handle and is electrically connected with the camera module and the illumination module.

7. A push-pull endoscope handle according to claim 6 and wherein said probe handle further comprises an instrument channel joint; the instrument channel joint is connected with an instrument channel pipe, the instrument channel pipe is arranged in the detection handle, the detection hard pipe, the detection soft pipe and the detection front end and used for providing a channel for the use of surgical instruments, and an instrument hole is further formed in the detection front end and communicated with the instrument channel.

8. A push-pull endoscope handle according to claim 6, characterized in that the movable joint is provided with a connector at one end and a connecting slot adapted to the connector at the other end; the connector with the spread groove activity links to each other.

9. A push-pull endoscope handle according to claim 1, characterised in that the turn disc is a toothed disc, correspondingly, under the operating rod there is a spur rack meshing with the gear of the turn disc.

10. A push-pull endoscope handle according to claim 6 and wherein said probe handle is movably connected to said probe wand.

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