Snare with scales

By setting marking layers on the snare cable of the snare, the problem that existing snares cannot intuitively understand the size of the trash, and reduce the cost of use through reusable hand-held drives and improve operational safety.

CN222765221UActive Publication Date: 2025-04-18NINGBO FIRST HOSPITAL LONGSHAN HOSPITAL MEDICAL HEALTH GRP
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Patent Information

Application Number
CN202421069443.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-04-18
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

Existing traps are usually single-use, costly, and cannot intuitively understand the size of the vegetation during use, resulting in unsafe operation.

Method used

A snare with scale is designed to measure the size of the vegetation by setting marking layers on the outer surface of the snare cable, and reduce the cost of use with reusable handheld drives.

Benefits of technology

This enables an intuitive understanding of the size of the vegetation when using the snare, improves operational safety, and reduces the cost of use with reusable handheld drives.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a snare with scales, and relates to the field of medical equipment. The snare with the scales comprises a probing type rubber tube and a snare steel cable, the other end of the probing type rubber tube is provided with a handheld driving piece, and the handheld driving piece comprises a fixed tube and a sliding piece; the connecting column is fixedly arranged on one side of the sliding piece, the fixing clamping base is fixedly installed at the tail end of the snare steel cable and connected into the connecting column in a clamped mode, and the probing type rubber pipe is installed at the end of the fixing pipe through the conical anti-skid sleeve. According to the snare with the scales, the snare steel cable extends into a body, the snare steel cable is close to a neoplasm, the size of the neoplasm is measured through the marking pattern layer, after the snare is used, the conical head is unscrewed, the fixing screw is screwed out, the fixing clamping base is taken down, and then the conical anti-skid sleeve is pulled out from the end of the probing type rubber tube, so that the size of the neoplasm is measured. At the moment, the probing type rubber pipe and the ring sleeve steel cable are taken down to be replaced, the handheld driving piece is repeatedly used, and the use cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a snare with scales. Background Art

[0002] A snare is a medical device with a loop at the end. It is used for intracavitary surgery by inserting a soft steel wire into the human body and then pulling the handle at the outer end to tighten the loop to remove polyps, hemorrhoids and other growths. It has the advantages of small wound surface and easy operation.

[0003] The snares commonly found on the market are basically disposable and are directly discarded after use, which is costly. At the same time, the snare is usually used in conjunction with an endoscope when used. When observing polyps, hemorrhoids and other vegetation, the size of the vegetation is generally estimated by naked eye observation or medical imaging films. The size cannot be intuitively understood and deviations are prone to occur. Direct removal of overly large vegetation is likely to cause a large amount of internal bleeding, which is very unsafe. Therefore, a snare with a scale is specially provided to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a snare with a scale, which solves the problem that the common snares on the market are basically disposable and directly discarded after use, which is costly, and the size of the vegetation cannot be intuitively understood when the snare is used.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a snare with scale, including an exploratory hose and a snare steel cable installed inside the exploratory hose, the other end of the exploratory hose is provided with a handheld driving member, and the handheld driving member includes;

[0006] A fixed tube and a sliding member slidably arranged on the outer wall of the fixed tube;

[0007] A connecting column is fixedly arranged on one side of the sliding member, and a fixed clamping seat is fixedly installed at the end of the snare steel cable, and the fixed clamping seat is movably clamped in the interior of the connecting column;

[0008] A conical anti-skid sleeve is installed on the outer surface of the end of the probe-type rubber hose, and the conical anti-skid sleeve is installed on the end of the fixed pipe.

[0009] Preferably, the front end outer surface of the snare steel cable is coated with a plurality of equidistant marking layers, and the marking layers are used to display the release length of the snare steel cable.

[0010] Preferably, a conical head is installed at the front end of the fixing tube, and the conical anti-slip sleeve is movably inserted into the inside of the conical head.

[0011] Preferably, a protective rubber sleeve is fixedly provided at the front end of the conical head, the probe hose penetrates the protective rubber sleeve, and an externally threaded pipe is fixedly provided at the end of the conical head, and the externally threaded pipe is threadedly connected to the inside of the front end of the fixed pipe.

[0012] Preferably, a fixing ring is fixedly provided at the end of the fixing tube, and sliding rings are fixedly provided at both sides of the sliding member.

[0013] Preferably, a slide groove is provided in the middle of the fixed tube, the sliding member is slidably arranged inside the slide groove, and a memory spring is arranged inside the end of the slide groove.

[0014] Preferably, the end of the snare steel cable is movably inserted into the interior of the fixed clamping seat, and the side surface of the fixed clamping seat is threadedly connected with a fixing screw, and the fixing screw abuts against the outer surface of the snare steel cable.

[0015] Preferably, a plug hole is provided at the end of the connecting column, and the snare steel cable passes through the plug hole.

[0016] Preferably, a limiting groove is provided on the outer wall of the connecting column, the insertion hole is communicated with the limiting groove, and the fixed clamping seat is movably clamped in the limiting groove.

[0017] Preferably, a scale groove is provided on the outer wall of the fixing tube, and an elastic clamping ring is movably engaged with the outer wall of the fixing tube.

[0018] The utility model discloses a snare with a scale, which has the following beneficial effects: a marking layer is provided on the outer surface of the snare steel cable, when in use, the snare steel cable is extended into the body, the snare steel cable is brought close to the vegetation, the size of the vegetation is measured using the marking layer, and after use, the conical head is unscrewed, the fixing screw is unscrewed, the fixing seat is removed, and then the conical anti-skid sleeve is pulled out from the end of the probe hose, and the probe hose and the snare steel cable are removed and replaced, so that the entire handheld drive component can be reused, thereby reducing the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the overall outer surface structure of the utility model;

[0021] Figure 2 For this utility model Figure 1A magnified view of the structure of part A;

[0022] Figure 3 This is a schematic diagram of the outer surface structure of the handheld driving member of the utility model;

[0023] Figure 4 This is a schematic diagram of the end structure of the probe-type hose of the utility model;

[0024] Figure 5 This is an exploded view of the internal structure of the handheld driving component of the utility model;

[0025] Figure 6 It is a schematic diagram of the outer surface structure of the cone head of the utility model.

[0026] In the figure: 1. Explosive hose; 2. Handheld drive member; 21. Fixed tube; 22. Fixed ring; 23. Sliding member; 24. Scale groove; 25. Elastic clamp; 26. Sliding ring; 27. Slide groove; 28. Memory spring; 29. ​​Connecting column; 210. Socket; 211. Limiting groove; 3. Snare cable; 4. Marking layer; 5. Conical head; 6. Conical anti-slip sleeve; 7. Fixed base; 8. Fixing screw; 9. Protective rubber sleeve; 10. External threaded pipe. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The embodiment of the present application provides a snare with a scale, which solves the problem that the common snares on the market are basically disposable and directly discarded after use, which is costly, and the size of the vegetation cannot be intuitively understood when the snare is used.

[0029] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] The utility model discloses a snare with scale.

[0031] According to the attached Figure 1-6 As shown, it includes an exploratory hose 1 and a snare wire 3 installed inside the exploratory hose 1, and a handheld driving member 2 is arranged at the other end of the exploratory hose 1, and the handheld driving member 2 includes;

[0032] A fixed tube 21 and a sliding member 23 slidably disposed on the outer wall of the fixed tube 21;

[0033] A connecting column 29 is fixedly arranged on one side of the sliding member 23. A fixed clamping seat 7 is fixedly installed at the end of the snare cable 3. The fixed clamping seat 7 is movably clamped in the interior of the connecting column 29.

[0034] A conical anti-skid sleeve 6 is installed on the outer surface of the end of the probe hose 1 , and the conical anti-skid sleeve 6 is installed on the end of the fixed tube 21 .

[0035] The front end outer surface of the snare steel cable 3 is coated with a plurality of equidistant marking layers 4, and the marking layers 4 are used to display the release length of the snare steel cable 3. When in use, the snare steel cable 3 is extended into the body, and the snare steel cable 3 is brought close to the vegetation, and the marking layers 4 are used to measure the size of the vegetation.

[0036] A conical head 5 is installed at the front end of the fixed tube 21, and a conical anti-skid sleeve 6 is movably inserted into the inside of the conical head 5. The inner wall of the conical anti-skid sleeve 6 is an inverted triangular serrated shape. After being squeezed into the inside of the conical head 5, it is stuck on the outer wall of the exploratory hose 1 to fix the exploratory hose 1.

[0037] A protective rubber sleeve 9 is fixedly provided at the front end of the conical head 5, and the exploratory rubber hose 1 passes through the protective rubber sleeve 9. An external threaded tube 10 is fixedly provided at the end of the conical head 5, and the external threaded tube 10 is threadedly connected to the front end of the fixed tube 21, so as to facilitate the installation of the conical head 5.

[0038] A fixing ring 22 is fixedly provided at the end of the fixing tube 21, and sliding rings 26 are fixedly provided on both sides of the sliding member 23. When in use, the thumb is inserted into the fixing ring 22, and the index finger and the middle finger are inserted into the sliding ring 26. The sliding member 23 is pushed to move by the index finger and the middle finger, thereby pulling the snare cable 3 to move backward, so that the snare cable 3 can remove the trapped growth.

[0039] A slide groove 27 is provided in the middle of the fixed tube 21 , and the sliding member 23 is slidably arranged inside the slide groove 27 . A memory spring 28 is arranged inside the end of the slide groove 27 , and the memory spring 28 is used to push the sliding member 23 to slide back to the front end.

[0040] The end of the snare cable 3 is movably inserted into the interior of the fixing seat 7 , and the side surface of the fixing seat 7 is threadedly connected with a fixing screw 8 , which abuts against the outer surface of the snare cable 3 .

[0041] An insertion hole 210 is formed at the end of the connecting column 29 , and the snare wire 3 passes through the insertion hole 210 .

[0042] A limiting groove 211 is provided on the outer wall of the connecting column 29, and the insertion hole 210 is connected to the limiting groove 211. The fixed clamping seat 7 is movably connected to the inside of the limiting groove 211, and the snare steel cable 3 is inserted into the inside of the limiting groove 211 from the insertion hole 210, and then the fixing clamping seat 7 is fixed to the end of the snare steel cable 3 by fixing screws 8, so that the fixed clamping seat 7 is inside the limiting groove 211, which is convenient for installation.

[0043] A graduated groove 24 is provided on the outer wall of the fixed tube 21, and an elastic snap ring 25 is movably connected to the outer wall of the fixed tube 21. The graduated groove 24 can intuitively understand the pulling distance of the snare cable 3. At the same time, the elastic snap ring 25 is buckled on the outer surface of the fixed tube 21 by its own elasticity. The static friction between the two prevents the elastic snap ring 25 from sliding, so that the elastic snap ring 25 can position the sliding member 23.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A snare with a scale, comprising an exploratory hose (1) and a snare steel cable (3) installed inside the exploratory hose (1), wherein the other end of the exploratory hose (1) is provided with a handheld driving member (2), characterized in that: The handheld driving member (2) comprises: A fixed tube (21) and a sliding member (23) slidably disposed on the outer wall of the fixed tube (21); A connecting column (29) is fixedly arranged on one side of the sliding member (23); a fixed clamping seat (7) is fixedly installed at the end of the snare steel cable (3); and the fixed clamping seat (7) is movably clamped in the interior of the connecting column (29); A conical anti-slip sleeve (6) is installed on the outer surface of the end of the probe hose (1), and the conical anti-slip sleeve (6) is installed on the end of the fixed tube (21); The front end outer surface of the snare steel cable (3) is coated with a plurality of equidistant marking layers (4), and the marking layers (4) are used to display the release length of the snare steel cable (3).

2. A graduated snare according to claim 1, characterized in that: A conical head (5) is installed at the front end of the fixed tube (21), and the conical anti-slip sleeve (6) is movably inserted into the interior of the conical head (5).

3. A graduated snare according to claim 2, characterized in that: A protective rubber sleeve (9) is fixedly provided at the front end of the conical head (5), the insertion type rubber hose (1) passes through the protective rubber sleeve (9), and an externally threaded tube (10) is fixedly provided at the end of the conical head (5), and the externally threaded tube (10) is threadedly connected to the interior of the front end of the fixed tube (21).

4. A graduated snare according to claim 1, characterized in that: A fixing ring (22) is fixedly provided at the end of the fixing tube (21), and sliding rings (26) are fixedly provided at both sides of the sliding member (23).

5. A graduated snare according to claim 4, characterized in that: A sliding groove (27) is provided in the middle of the fixed tube (21), the sliding member (23) is slidably arranged inside the sliding groove (27), and a memory spring (28) is arranged inside the end of the sliding groove (27).

6. A graduated snare according to claim 1, characterized in that: The end of the snare steel cable (3) is movably inserted into the interior of the fixed clamping seat (7), and the side surface of the fixed clamping seat (7) is threadedly connected with a fixing screw (8), and the fixing screw (8) abuts against the outer surface of the snare steel cable (3).

7. A graduated snare according to claim 6, characterized in that: An insertion hole (210) is provided at the end of the connecting column (29), and the snare steel cable (3) passes through the insertion hole (210).

8. A graduated snare according to claim 7, characterized in that: The outer wall of the connecting column (29) is provided with a limiting groove (211), the insertion hole (210) is connected to the limiting groove (211), and the fixed clamping seat (7) is movably clamped inside the limiting groove (211).

9. A graduated snare according to claim 1, characterized in that: The outer wall of the fixed tube (21) is provided with a scale groove (24), and the outer wall of the fixed tube (21) is movably clamped with an elastic clamp ring (25).