Transparent cap for end part of double-channel endoscope

Abstract

The utility model discloses a transparent cap for the end of two-channel endoscope, including tubular transparent cap body, set up the clamp module of transparent cap body end, incision knife module and endoscope avoidance channel, the inside of transparent cap body is provided with the endoscope cavity, the clamp module is provided with the clamp channel, the endoscope cavity is provided with the incision knife module, the incision knife module is provided with the endoscope avoidance channel. The clamp module is provided with a clamp channel, the incision knife module is provided with an incision knife channel, the clamp channel and the incision knife channel are obliquely arranged in the vertical direction, and a fixing module is arranged between the clamp module and the incision knife module. The clamp channel and the incision knife channel are obliquely arranged in the direction of the central axis of the transparent cap, the clamp and the incision knife are opened towards the two sides in the using process to form a triangular area, the movement space of consumables is increased, meanwhile, friction between the clamp and the transparent cap and friction between the incision knife and the transparent cap are increased, the clamp and the incision knife are prevented from coaxially rotating in the operation process, and the operation efficiency is improved. And the operation of the ESD operation is simpler and smoother.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a transparent cap for the end of a dual-channel endoscope. Background Technology

[0002] Traditional endoscopic submucosal dissection (ESD) is a surgical procedure performed by a gastroenterologist using a digestive endoscope to cut away diseased mucosa. Currently, most endoscopes on the market are single-instrument-channel endoscopes, which can only cut the diseased mucosa but cannot perform a lifting motion during the cutting process. Therefore, the entire procedure demands a high level of skill and experience from the surgeon, increasing the risk of complications and the duration of the operation.

[0003] To address these issues, dual-channel endoscopic surgical robots have emerged. However, because the endoscope undergoes vigorous movement during surgery, it also causes significant movement of the clamps and incision blades. Simultaneously, the clamps and incision blade channels rotate axially, which can severely tear the mucosa being lifted and cause misalignment of the cuts. This not only affects the surgical outcome of the endoscope but also exacerbates the patient's pain. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a transparent cap for the end of a dual-channel endoscope.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a transparent cap for the end of a dual-channel endoscope, comprising a tubular transparent cap body, a clamping module, a cutting knife module, and an endoscope clearance channel disposed at the end of the transparent cap body. The transparent cap body has an endoscope cavity inside, the clamping module has a clamping channel, and the cutting knife module has a cutting knife channel. The clamping channel and the cutting knife channel are both inclined to each other in the vertical direction, and a fixing module is disposed between the clamping module and the cutting knife module.

[0006] Preferably, the outer opening of the clamp channel is circular, and the inner opening is elliptical. The major axis length d1 of the ellipse is slightly larger than the diameter d2 of the outer circular opening, and the minor axis length d3 of the ellipse is equal to the diameter d2 of the outer circular opening.

[0007] Preferably, the outer opening of the cutting channel is circular, and the inner opening is racetrack-shaped. The diameter d4 of the circular opening is equal to the minor axis length d6 of the racetrack shape, and the major axis length d5 ​​of the racetrack shape is greater than the diameter d4 of the circular opening.

[0008] Preferably, the endoscopic cavity is trapezoidal and cylindrical, coaxially formed inside the transparent cap body, and its inner radial diameter gradually decreases from the tail end to the tip end of the transparent cap along the axial direction.

[0009] Preferably, the edges of the transparent cap body, the clamp module, the cutting knife module, and the fixing module are all rounded.

[0010] Preferably, the transparent cap body is a one-piece molded flexible component, and its material is any one of silicone, rubber, or ABS.

[0011] Compared with existing technologies, the technical advantages achieved by this invention are as follows: The end of the transparent cap body is provided with an endoscope-avoiding channel, which does not affect the endoscopic operating field of view or irrigation requirements; the clamp channel and the cutting blade channel are both inclined towards each other in the vertical direction, opening the clamps and cutting blade to both sides to form a triangular area, increasing the movement space of the consumables, and also increasing the friction between the clamps and cutting blade and the transparent cap, preventing coaxial rotation of the clamps and cutting blade during surgery, making ESD surgery simpler and smoother. Furthermore, the flexible material of the transparent cap provides elasticity, allowing it to be firmly fixed to the end of the endoscope. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the transparent cap for the end of a dual-channel endoscope according to the present invention.

[0013] Figure 2 This is a schematic diagram of the main structure of the transparent cap for the end of a dual-channel endoscope according to this utility model.

[0014] Figure 3 This is a rear view structural diagram of the transparent cap used at the end of a dual-channel endoscope according to the present invention.

[0015] Figure 4 This is a schematic diagram of the left-side structure of the transparent cap used at the end of a dual-channel endoscope according to this utility model.

[0016] Figure 5 This is a schematic diagram of the right-side structure of the transparent cap for the end of a dual-channel endoscope according to this utility model.

[0017] Figure 6 This is a top view of the transparent cap at the end of a dual-channel endoscope according to the present invention.

[0018] Figure 7 This is a bottom view of the transparent cap at the end of a dual-channel endoscope according to the present invention.

[0019] Figure 8 for Figure 4 A schematic diagram of the cross-sectional structure along the AA direction.

[0020] Figure 9 for Figure 4 Schematic diagram of the cross-sectional structure in the middle BB direction.

[0021] Explanation of reference numerals in the attached diagram: 1. Transparent cap body; 2. Clamping module; 3. Cutting knife module; 4. Fixing module; 5. Clamping channel; 6. Cutting knife channel; 7. Endoscope avoidance channel; 8. Endoscope cavity. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention. Therefore, they only show the components relevant to the present invention. Orientations and references (e.g., up, down, left, right, etc.) are only used to aid in the description of the features in the drawings. Therefore, the following specific embodiments are not intended to be restrictive, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

[0023] like Figure 1-9 As shown, a transparent cap for the end of a dual-channel endoscope in this embodiment includes a tubular transparent cap body 1. An endoscope channel 8 is provided inside the transparent cap body 1. The endoscope channel 8 is trapezoidal and cylindrical, and is coaxially opened inside the transparent cap body 1. Its inner diameter radial dimension gradually decreases from the tail of the transparent cap to the end of the transparent cap along the axial direction.

[0024] In this embodiment, a clamp module 2, a cutting knife module 3, and an endoscope avoidance channel 7 are also provided at the end of the transparent cap body 1. The clamp module 2 is provided with a clamp channel 5 for the clamp and its tubing to pass through, and the cutting knife module 3 is provided with a cutting knife channel 6 for the cutting knife and its tubing to pass through. Both the clamp channel 5 and the cutting knife channel 6 are inclined towards each other in the vertical direction. The endoscope avoidance channel 7 is set according to the shape and position of the endoscope's camera, light source, and flushing port, so as not to affect the field of vision and flushing requirements of the endoscope operation. A fixing module 4 is also provided between the clamp module 2 and the cutting knife module 3 for the stability of the clamp module 2 and the cutting knife module 3.

[0025] In this embodiment, the outer opening of the clamp channel 5 is circular, and the inner opening is elliptical. The major axis length d1 of the ellipse is slightly larger than the diameter d2 of the outer circular opening, and the minor axis length d3 of the ellipse is equal to the diameter d2 of the outer circular opening. The outer opening of the cutting knife channel 6 is circular, and the inner opening is racetrack-shaped. The diameter d4 of the circular opening of the cutting knife channel 6 is equal to the minor axis length d6 of the racetrack shape, and the major axis length d5 ​​of the racetrack shape is greater than the diameter d4 of the circular opening of the cutting knife channel 6.

[0026] In this embodiment, the clamp channel 5 is trapezoidal in cross-section along the AA direction, and the cutting knife channel 6 is right-angled trapezoidal in cross-section along the AA direction.

[0027] In this embodiment, the edges of the transparent cap body 1, clamp module 2, cutting knife module 3, and fixing module 4 are all rounded. The transparent cap body 1 is a one-piece molded flexible component, and its material can be any one of silicone, rubber, or ABS. In this embodiment, silicone is selected. The flexible material and rounded corners can reduce damage to the mucosa during ESD surgery. At the same time, the flexible material also gives the transparent cap elasticity, allowing it to be firmly fixed to the endoscope tip.

[0028] In this embodiment, the transparent cap is placed over the end of the dual-channel endoscope during operation. The position is adjusted so that the endoscope's camera, light source, and irrigation port are located in the endoscope's clearance channel 7, without hindering its function. The clamps extend from the clamp channel 5, and the cutting blade extends from the cutting blade channel 6. Both open to the sides to form a triangular area, increasing the movement space of the consumables. This also increases the friction between the clamps and the cutting blade and the transparent cap, preventing the clamps and the cutting blade from rotating coaxially during the operation.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A transparent cap for the tip of a dual-channel endoscope, characterized in that: The device includes a tubular transparent cap body, a clamp module, a cutting knife module, and an endoscope clearance channel located at the end of the transparent cap body. An endoscope cavity is provided inside the transparent cap body. The clamp module is provided with a clamp channel, and the cutting knife module is provided with a cutting knife channel. The clamp channel and the cutting knife channel are both inclined to each other in the vertical direction. A fixing module is provided between the clamp module and the cutting knife module.

2. A transparent cap for the tip of a dual-channel endoscope according to claim 1, characterized in that: The outer opening of the clamp channel is circular, and the inner opening is elliptical. The major axis length d1 of the ellipse is slightly larger than the diameter d2 of the outer circular opening, and the minor axis length d3 of the ellipse is equal to the diameter d2 of the outer circular opening.

3. A transparent cap for the tip of a dual-channel endoscope according to claim 1, characterized in that: The outer opening of the cutting channel is circular, and the inner opening is racetrack-shaped. The diameter d4 of the circular opening is equal to the minor axis length d6 of the racetrack shape, and the major axis length d5 ​​of the racetrack shape is greater than the diameter d4 of the circular opening.

4. A transparent cap for the tip of a dual-channel endoscope according to claim 1, characterized in that: The endoscopic cavity is trapezoidal and cylindrical, coaxially formed inside the transparent cap body, with its inner radial diameter gradually decreasing from the tail to the tip of the transparent cap along the axial direction.

5. A transparent cap for the tip of a dual-channel endoscope according to claim 1, characterized in that: The edges of the transparent cap body, the clamp module, the cutting knife module, and the fixing module are all rounded.

6. A transparent cap for the tip of a dual-channel endoscope according to claim 1, characterized in that: The transparent cap body is a one-piece molded flexible component, and its material is any one of silicone, rubber, or ABS.

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