Auxiliary instrument for snare operation

Abstract

The utility model relates to a snare operation auxiliary instrument which comprises a movable claw and a control assembly, and the control assembly is in transmission connection with the movable claw and used for being in linkage with clamping and opening of the movable claw. Wherein the claw tip of the movable claw is provided with a positioning structure, and the positioning structure is used for installing and positioning the elastic binding piece. Before the instrument is used for medical operation, the elastic binding piece needs to be installed on the movable claw through the positioning structure in advance, during follow-up operation, the claw tip of the movable claw is gradually moved to be close to a target object, then the control assembly is operated, the movable claw is linked to drive the elastic binding piece to be synchronously opened, and the device continues to be moved till the target object is surrounded by the movable claw; the movable claw is linked to drive the elastic binding piece to be closed synchronously, the elastic binding piece is separated from the movable claw under the guidance of the claw tip on the movable claw, in the operation process, the claw tip of the movable claw can play a role in positioning a target object, medical staff can be assisted in sleeving the target object, and the device has the advantages of being high in precision and operation efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a snare surgery auxiliary instrument. Background Art

[0002] Most uterine fibroid snare surgeries are performed by tying an elastic strapping piece to the base of the fibroid so that it falls off automatically. However, during the operation, how to tie the elastic strapping piece to the base of the fibroid becomes a major problem. Although existing instruments control the elastic strapping piece through surgical forceps to make it fit on the fibroid, the precision of the surgical forceps in controlling the elastic strapping piece is poor, and most of the time the user is required to repeat the operation multiple times, which reduces the efficiency of the operation. Summary of the invention

[0003] In view of the above problems, the utility model provides a snare surgery auxiliary instrument, which can assist medical personnel in snare a target object and has the advantages of high accuracy and high operating efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A snare surgery auxiliary instrument, comprising:

[0006] movable claws; and

[0007] A control component, the control component is connected to the movable claw in a transmission manner to link the movable claw to clamp and open;

[0008] The claw tip of the movable claw is provided with a positioning structure, and the positioning structure is used for the installation and positioning of the elastic binding piece.

[0009] In one embodiment, the control assembly includes a fixed rod and a movable rod;

[0010] The movable rod is slidably connected to the fixed rod, and the relative sliding of the movable rod and the fixed rod can link the clamping and opening of the movable claws.

[0011] In one embodiment, the movable claw comprises:

[0012] A main clamping member, one end of which is rotatably connected to the movable rod, at least three main clamping members are provided, and the main clamping members are evenly spaced and distributed along the circumference of the movable rod; and

[0013] The linkage part, the number and position of the linkage parts are set corresponding to the main clamping part, one end of the linkage part is rotatably connected to the corresponding main clamping part, and the other end is rotatably connected to the fixed rod, and the movable rod slides down and links the main clamping part to expand outward through the linkage part.

[0014] In one embodiment, the positioning structure includes a positioning notch;

[0015] The positioning notch is arranged on each of the main clamping members and is located at the tip of the main clamping members. A clamping opening is formed between the main clamping members, and the positioning notches are arranged facing away from the clamping opening.

[0016] In one embodiment, a limiting block is protrudingly provided on the edge of the positioning notch away from the tip of the main clamping member to limit the elastic binding member from escaping from the positioning notch in a direction away from the clamping opening.

[0017] In one embodiment, the protrusion of the limiting block is transitionally provided with a rounded corner.

[0018] In one embodiment, the movable rod is hollow inside and is sleeved outside the fixed rod;

[0019] A travel groove is provided on one side of the movable rod, and a handle is provided on the outer edge of the fixed rod. The handle protrudes from the movable rod through the travel groove for operation by medical staff.

[0020] In one embodiment, when the handle contacts the top of the travel groove, the movable claw expands outward to a maximum angle.

[0021] In one embodiment, when the handle contacts the bottom of the travel groove, the claw tip of the movable claw is in a clamping shape.

[0022] In one embodiment, the travel grooves are provided with two and are arranged opposite to each other, and the handles are also provided with two corresponding to the travel grooves.

[0023] The utility model adopts the above technical solution, which has the following advantages:

[0024] Before using this device for medical operations, it is necessary to first install the elastic binding piece on the movable claw through the positioning structure. During subsequent operations, the claw tip of the movable claw is gradually moved closer to the target object, and then the control component is operated to link the movable claw to drive the elastic binding piece to open synchronously, and the device is continued to move until the movable claw surrounds the target object. At this time, the elastic binding piece has passed the target object, and the claw tip of the movable claw is located at the root of the target object. Then the control component is operated again, the movable claw is linked to drive the elastic binding piece to close synchronously, and the elastic binding piece is moved to make the elastic binding piece detach from the positioning structure. The elastic binding piece is detached from the movable claw under the guidance of the claw tip on the movable claw and is tied to the root of the target object. At this time, the device can be withdrawn. During the operation, the claw tip of the movable claw can play a role in positioning the target object, which can assist medical staff in trapping the target object, and has the advantages of high accuracy and high operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the specific structure of the snare surgery auxiliary instrument in one embodiment of the utility model;

[0026] Figure 2 This is a schematic diagram of the specific structure of the control component in one embodiment of the utility model;

[0027] Figure 3 This is a schematic diagram of the specific structure of the movable claw in one embodiment of the utility model;

[0028] The marks in the figure are as follows:

[0029] 1. movable claw; 11. main clamping part; 111. limit block; 12. linkage part;

[0030] 2. Control assembly; 21. Fixed rod; 211. Travel slot; 22. Movable rod; 221. Handle;

[0031] 3. Positioning structure; 31. Positioning notch. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model is described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary persons in the field without creative work are within the scope of protection of the utility model.

[0033] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second", "third", "fourth" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0034] Most uterine fibroid snare surgeries are performed by tying an elastic binding piece to the root of the fibroid so that it falls off automatically. However, during the operation, how to tie the elastic binding piece to the root of the fibroid becomes a major problem. Although existing instruments control the elastic binding piece through surgical forceps to make it fit on the fibroid, the precision of the surgical forceps in controlling the elastic binding piece is poor, and most of them require the user to repeat the operation many times, reducing the efficiency of the operation. In view of the above problems, the utility model provides a snare surgery auxiliary instrument that can assist medical staff in snaring the target object, has the advantages of high precision and high operating efficiency, and the specific scheme is as follows.

[0035] Reference Figure 1 , Figure 2 as well as Figure 3 As shown, the utility model relates to a snare surgery auxiliary instrument, comprising a movable claw 1 and a control component 2, wherein the control component 2 is connected to the movable claw 1 in a transmission manner to link the clamping and opening of the movable claw 1. A positioning structure 3 is provided at the claw tip of the movable claw 1, and the positioning structure 3 is used for the installation and positioning of the elastic binding member.

[0036] For example, before using the device for medical operation, it is necessary to first install the elastic binding member on the movable claw 1 through the positioning structure 3. During the subsequent operation, the claw tip of the movable claw 1 is gradually moved close to the target object, and then the control component 2 is operated to link the movable claw 1 to drive the elastic binding member to open synchronously, and the device is continued to be moved until the movable claw 1 surrounds the target object. At this time, the elastic binding member has passed the target object, and the claw tip of the movable claw 1 is located at the root of the target object. Then the control component 2 is operated again, the movable claw 1 is linked to drive the elastic binding member to close synchronously, and the elastic binding member is moved to make the elastic binding member detach from the positioning structure 3. The elastic binding member detaches from the movable claw 1 under the guidance of the claw tip on the movable claw 1, and is tied to the root of the target object. At this time, the device can be withdrawn. During the operation, the claw tip of the movable claw 1 can play a role in positioning the target object, and can assist medical staff in trapping the target object, with the advantages of high accuracy and high operating efficiency.

[0037] In one embodiment, the overall structure of the control assembly 2 is further refined, and the control assembly 2 includes a fixed rod 21 and a movable rod 22, wherein the movable rod 22 is slidably connected to the fixed rod 21, and the relative sliding of the movable rod 22 and the fixed rod 21 is used to link the clamping and opening of the movable claw 1.

[0038] In this embodiment, specifically, the movable claw 1 includes a main clamping member 11 and a linkage member 12, wherein one end of the main clamping member 11 is rotatably connected to the movable rod 22, at least three main clamping members 11 are provided, specifically three are provided in this embodiment, and the main clamping members 11 are evenly spaced along the circumference of the movable rod 22.

[0039] In order to prevent the outer contour of the main clamping member 11 from scratching the patient, in this embodiment, the main clamping member 11 is an arc-shaped integrated structure.

[0040] The number and position of the linkage members 12 are set corresponding to the main clamping member 11. One end of the linkage member 12 is rotatably connected to the corresponding main clamping member 11, and the other end is rotatably connected to the fixed rod 21. The movable rod 22 slides down through the linkage member 12 to link the main clamping member 11 to expand outward.

[0041] For example, when operating the device, medical staff only need to hold the fixed rod 21 and the movable rod 22, and can link the movable claw 1 to expand outward or close inward by sliding the movable rod 22. Specifically, when the movable claw 1 needs to expand, the movable rod 22 is slid downward, and the movable rod 22 will drive the end of the linkage member 12 to move downward. During the downward movement, the fixed rod 21 does not move relative to the movable rod 22, and the linkage member 12 will gradually push the main clamping member 11 outward, so that the movable claw 1 gradually expands outward.

[0042] In this embodiment, the positioning structure 3 is further refined, and the positioning structure 3 includes a positioning notch 31. The positioning notch 31 is arranged on each main clamping member 11 and is located at the tip of the main clamping member 11. A clamping opening is formed between the main clamping members 11, and the positioning notches 31 are all arranged to face away from the clamping opening.

[0043] For example, when the elastic strapping piece needs to be mounted on the positioning structure 3, the movable claw 1 is linked as a whole to a closed state, and then the elastic strapping piece is looped on the positioning notch 31. When the movable claw 1 opens and closes, the positioning notch 31 can limit the movement of the elastic strapping piece, and cooperate with the elasticity of the elastic strapping piece to position the elastic strapping piece at the tip of the movable claw 1.

[0044] In this embodiment, it is more preferred that a limiting block 111 is protrudingly provided on the edge of the positioning notch 31 away from the tip of the main clamping member 11 to limit the elastic binding member from escaping from the positioning notch 31 in a direction away from the clamping opening.

[0045] The setting of the limiting block 111 can limit the elastic binding piece from leaving the positioning notch 31 and moving toward the fixing rod 21, thereby improving the use stability of the device.

[0046] Specifically, in order to prevent the protruding portion of the limiting block 111 from scratching the patient, the protruding portion of the limiting block 111 is provided with a rounded corner transition.

[0047] In one embodiment, the overall connection structure of the control assembly 2 is further refined, wherein the interior of the movable rod 22 is hollow, and the movable rod 22 is sleeved on the exterior of the fixed rod 21. A travel groove 211 is provided on one side of the movable rod 22, and a handle 221 is provided on the outer edge of the fixed rod 21. The handle 221 protrudes from the movable rod 22 through the travel groove 211 for operation by medical personnel.

[0048] The setting of the handle 221 can facilitate medical staff to adjust the position of the movable rod 22, thereby linking the movable claw 1 to open and close. When actually operating the movable claw 1 to open and close, the movable rod 22 can be pushed to slide relative to the fixed rod 21 by holding the handle 221.

[0049] In this embodiment, it is more preferred that the travel groove 211 is correspondingly arranged with the travel of the movable rod 22, wherein when the handle 221 contacts the top of the travel groove 211, the movable claw 1 expands to the maximum angle. In addition, when the handle 221 contacts the bottom of the travel groove 211, the claw tip of the movable claw 1 is in a clamping state.

[0050] In addition, in order to optimize the overall structure of the movable rod 22 and improve the sliding smoothness of the movable rod 22 , in this embodiment, two travel grooves 211 are provided and arranged opposite to each other, and two handles 221 are also provided corresponding to the travel grooves 211 .

[0051] The corresponding setting of the travel groove 211 and the movable rod 22 can facilitate blind operation by medical staff. In actual use, they only need to hold the handle 221 and press down the movable rod 22. The overall operation is similar to the needle pushing action, and the operation is extremely simple. Until the handle 221 reaches the bottom of the travel groove 211, the claw tip of the movable claw 1 is just expanded outward to the maximum angle, and when the handle 221 slides up to the top of the travel groove 211, the claw tips of the movable claw 1 are just in contact with each other, forming a clamping state.

[0052] Specific implementation process:

[0053] The utility model also provides an application implementation mode, in which the device as a whole is used in a uterine fibroid snare operation, and in preparation, an anesthetic is injected into the human body in advance, and after waiting for a period of time, the fibroid snare operation is performed;

[0054] Before using the device for medical operation, the elastic binding piece is first installed on the movable claw 1 through the positioning structure 3. Since the elastic binding piece has elastic force, after installation, the elastic force will drive the movable claw 1 to close. During subsequent operation, the claw tip of the movable claw 1 is gradually moved closer to the target object, and then the control component 2 is operated;

[0055] By holding the handle 221 and pressing down the movable rod 22 while overcoming the elastic force, the movable rod 22 slides relative to the fixed rod 21, and the movable rod 22 drives the end of the linkage member 12 to move downward. During the downward movement, the linkage member will gradually push the main clamping member 11 outward, causing the movable claw 1 to gradually expand outward, and continue to move the device until the movable claw 1 surrounds the fibroid. At this time, the elastic binding member passes over the fibroid, and the claw tip of the movable claw 1 is located at the root of the target object;

[0056] Operate the control assembly 2 again, because the elastic force of the elastic binding piece drives the movable claw 1 to close, at this time, slowly reduce the thrust of pressing the movable rod 22, the elastic force of the elastic binding piece gradually links the movable claw 1 to close, at this time, the movable rod 22 gradually moves up under the elastic linkage until the handle 221 contacts the bottom of the travel groove 211, and then only need to move the elastic binding piece to make it separate from the positioning structure 3, the elastic binding piece will separate from the movable claw 1 under the guidance of the claw tip on the movable claw 1, and be tied to the root of the fibroid, at this time, the device can be withdrawn, and the uterine fibroid snare operation is completed. After the elastic binding piece has strangled the root of the fibroid for a period of time, the fibroid will shrink or fall off automatically.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A snare surgery auxiliary instrument, characterized in that: include: movable claws; as well as A control component, the control component is connected to the movable claw in a transmission manner to link the movable claw to clamp and open; The claw tip of the movable claw is provided with a positioning structure, and the positioning structure is used for the elastic binding piece to be installed and positioned.

2. The snare surgery auxiliary instrument according to claim 1, characterized in that: The control assembly includes a fixed rod and a movable rod; The movable rod is slidably connected to the fixed rod, and the relative sliding of the movable rod and the fixed rod can link the clamping and opening of the movable claws.

3. The snare surgery auxiliary instrument according to claim 2, characterized in that: The movable claw comprises: A main clamping member, one end of which is rotatably connected to the movable rod, at least three main clamping members are provided, and the main clamping members are evenly spaced and distributed along the circumference of the movable rod; and The linkage part, the number and position of the linkage parts are set corresponding to the main clamping part, one end of the linkage part is rotatably connected to the corresponding main clamping part, and the other end is rotatably connected to the fixed rod, and the movable rod slides down and links the main clamping part to expand outward through the linkage part.

4. The snare surgery auxiliary instrument according to claim 3, characterized in that: The positioning structure includes a positioning notch; The positioning notch is arranged on each of the main clamping members and is located at the tip of the main clamping members. A clamping opening is formed between the main clamping members, and the positioning notches are arranged facing away from the clamping opening.

5. The snare surgery auxiliary instrument according to claim 4, characterized in that: A limiting block is protrudingly provided on the edge of the positioning notch away from the tip of the main clamping member to limit the elastic binding member from leaving the positioning notch in a direction away from the clamping opening.

6. The snare surgery auxiliary instrument according to claim 5, characterized in that: The protruding portion of the limiting block is transitionally provided with a rounded corner.

7. The snare surgery auxiliary instrument according to claim 3, characterized in that: The movable rod is hollow inside and sleeved outside the fixed rod; A travel groove is provided on one side of the movable rod, and a handle is provided on the outer edge of the fixed rod. The handle protrudes from the movable rod through the travel groove for operation by medical staff.

8. The snare surgery auxiliary instrument according to claim 7, characterized in that: When the handle contacts the top of the travel groove, the movable claw expands outward to a maximum angle.

9. The snare surgery auxiliary instrument according to claim 7, characterized in that: When the handle contacts the bottom of the travel groove, the claw tip of the movable claw is in a clamping shape.

10. The snare surgery auxiliary instrument according to claim 7, characterized in that: The travel grooves are provided with two and are arranged opposite to each other, and the handles are also provided with two corresponding to the travel grooves.

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