CN220572229U - Auricle clamp - Google Patents

Abstract

The utility model discloses an auricle clamp which comprises a control handle, a catheter assembly, a clamping assembly and a strip-shaped component, wherein one end of the catheter assembly is connected with the control handle, the clamping assembly is arranged at the other end of the catheter assembly, the strip-shaped component is arranged in the control handle and the catheter assembly and can axially slide, one end of the strip-shaped component is connected with the control handle, and the other end of the strip-shaped component is connected with the clamping assembly; the clamping assembly comprises a connecting seat and a clamp claw capable of being opened and closed, the connecting end of the clamp claw is connected with the connecting seat, and the connecting seat is positioned in the other end of the catheter assembly; the opposite inner sides of the clamp claws are provided with anti-slip parts. According to the utility model, the connecting seat of the clamping assembly is arranged in the catheter assembly, one end of the long-strip part is connected with the connecting seat, the other end of the long-strip part is connected with the control handle, and the linkage clamp claw retracts or extends out of the catheter assembly when the control handle drives the long-strip part to axially reciprocate, so that the clamp claw is opened and closed, and the problem of unstable clamping core ear is solved by arranging the anti-slip part on the clamp claw.

Description

Auricle clamp

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an auricle clamp.

Background

At present, a plurality of left auricle grabbing tools are disclosed in the domestic market, and the left auricle grabbing tools mainly have the designs of clamp type, clamp arm type and clamp claw type.

The clamp type clamp head grabbing tool is often applied to endoscopic surgery, and because the clamp head part adopts a planar elastic sheet, the clamp head surface is smooth, long-term clamping or lifting action of tissues is not easy to realize, and because the elastic sheet material is insufficient in yield strength, long-term clamping can lead to permanent plastic deformation of the elastic sheet, so that the instrument is invalid.

The clamp arm type clamp head grabbing tool is often applied to surgical open chest operation, and because the clamp head part is formed by connecting flexible materials, the contact area with tissues is small, long-term clamping or lifting action of the tissues is not easy to realize, the pipe body is of a hardware design, the bending angle requirement cannot be met, and the clamp arm type clamp head grabbing tool is large in specification and size and not suitable for minimally invasive operation.

The jaw type forceps head grabbing tool is commonly applied to surgical open chest operation, and is formed into a thin jaw by bending an elongated metal wire, and the hard metal wire of the thin jaw type forceps head grabbing tool is easy to penetrate into tissues to cause bleeding and damage of the tissues and cause unnecessary tissue complications.

Disclosure of Invention

The utility model aims to provide an auricle clamp, which aims to solve the problems that the tissue grabbing of the existing left auricle grabbing tool is unstable and the tissue is easy to damage.

In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme: there is provided an auricle clamp comprising:

a control handle;

a catheter assembly having one end connected to the control handle;

the clamping assembly is arranged at the other end of the catheter assembly;

the long strip part is arranged in the control handle and the catheter assembly and can axially slide, one end of the long strip part is connected with the control handle, and the other end of the long strip part is connected with the clamping assembly;

the clamping assembly comprises a connecting seat and a clamp claw capable of being opened and closed, the connecting end of the clamp claw is connected with the connecting seat, and the connecting seat is positioned in the other end of the catheter assembly; when the control handle drives the long-strip part to move backwards, the clamp claw is linked to retract into the catheter assembly so as to clamp the clamp claw; when the control handle drives the long-strip part to move forwards, the clamp claw is linked to extend out of the catheter assembly so as to open the clamp claw; and anti-slip parts are arranged on the opposite inner sides of the clamp claws.

Further, the anti-slip part is a tooth head, and the clamping surface of the tooth head is provided with a plurality of grooves so as to form a blunt tooth surface.

Further, the clamp claw is a nickel-titanium spring plate.

Further, a sliding part capable of sliding along the axial direction is arranged in the control handle, and the sliding part is connected with one end of the long-strip part.

Further, the control handle further comprises a slidable push button, the push button is arranged outside the control handle, and the push button is connected with the sliding piece.

Further, the catheter assembly comprises a connecting pipe, a flexible pipe and a sleeve which are sequentially connected, wherein the connecting pipe is connected with the control handle, and the connecting seat can be axially and slidably arranged in the sleeve.

Further, the elongate member comprises an axially connected steel cord and a core wire, wherein one end of the steel cord away from the core wire is connected to the connecting seat, and one end of the core wire away from the steel cord is connected to the sliding member.

Further, a core wire anchoring seat is arranged in the control handle, and one end, far away from the steel rope, of the core wire penetrates through the rear limit of the sliding piece and is positioned on the core wire anchoring seat.

Further, a locking piece capable of screwing in and out is arranged on one side of the control handle, the locking piece corresponds to the sliding piece, the sliding piece can be pressed against when the locking piece is screwed in, and the sliding piece can be separated when the locking piece is screwed out.

Further, the locking member comprises a hand screw and a nut, wherein the nut is fixedly installed inside the control handle and corresponds to the sliding member, and the hand screw is located outside the control handle and is in threaded connection with the nut.

The embodiment of the utility model provides an auricle clamp, which comprises a control handle, a catheter assembly, a clamping assembly and a strip-shaped part, wherein one end of the catheter assembly is connected with the control handle, the clamping assembly is arranged at the other end of the catheter assembly, the strip-shaped part is arranged in the control handle and the catheter assembly and can axially slide, one end of the strip-shaped part is connected with the control handle, and the other end of the strip-shaped part is connected with the clamping assembly; the clamping assembly comprises a connecting seat and a clamp claw capable of being opened and closed, the connecting end of the clamp claw is connected with the connecting seat, and the connecting seat is positioned in the other end of the catheter assembly; when the control handle drives the long-strip part to move backwards, the linkage clamp claw retracts the catheter assembly so as to clamp the clamp claw; when the control handle drives the long-strip part to move forwards, the linkage clamp claw extends out of the catheter assembly so as to open the clamp claw; the opposite inner sides of the clamp claws are provided with anti-slip parts. According to the embodiment of the utility model, the connecting seat of the clamping assembly is arranged in the catheter assembly, one end of the long-strip part is connected with the connecting seat, the other end of the long-strip part is connected with the control handle, and the linkage clamp claw retracts or extends out of the catheter assembly when the control handle drives the long-strip part to axially reciprocate, so that the clamp claw is opened and closed, and the problem of unstable clamping core ear is solved by arranging the anti-slip part on the clamp claw.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of an auricle clamp according to an embodiment of the present utility model;

fig. 2 is an enlarged schematic view of the auricle clamp according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is an exploded view of an auricle clamp according to an embodiment of the present utility model.

The figure identifies the description:

1. a control handle; 11. a slider; 12. a core wire anchor; 13. a push button;

2. a catheter assembly; 21. a connecting pipe; 22. a flexible tube; 23. a sleeve;

3. a clamping assembly; 31. a connecting seat; 32. a jaw; 321. an anti-slip part;

4. an elongate member; 41. a core wire; 42. a steel rope;

5. a locking member; 51. a nut; 52. and screwing the screw by hand.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 to 3, an embodiment of the present utility model provides an auricle clamp, which includes a control handle 1, a catheter assembly 2, a clamping assembly 3 and a long component 4, wherein one end of the catheter assembly 2 is connected to the control handle 1, the clamping assembly 3 is mounted at the other end of the catheter assembly 2, the long component 4 is disposed in the control handle 1 and the catheter assembly 2 and can slide along an axial direction, one end of the long component 4 is connected to the control handle 1, and the other end of the long component 4 is connected to the clamping assembly 3;

the clamping assembly 3 comprises a connecting seat 31 and a clamp claw 32 which can be opened and closed, the connecting end of the clamp claw 32 is connected with the connecting seat 31, and the connecting seat 31 is positioned in the other end of the catheter assembly 2; when the control handle 1 drives the long-strip part 4 to move backwards, the linkage clamp claw 32 retracts into the catheter assembly 2 so that the clamp claw 32 is clamped; when the control handle 1 drives the long-strip part 4 to move forwards, the linkage clamp claw 32 extends out of the catheter assembly 2 so as to open the clamp claw 32; the jaws 32 are provided on opposite inner sides thereof with anti-slip portions 321.

In this embodiment, the catheter assembly 2 is of an elongated hollow tubular structure, one end of the catheter assembly 2 is connected to the control handle 1, the other end of the catheter assembly 2 is connected to the clamping assembly 3, so that a channel between the control handle 1 and the clamping assembly 3 can be established, the long-strip member 4 is arranged in the catheter assembly 2 in a penetrating manner, one end of the long-strip member 4 is connected to the control handle 1, the other end of the long-strip member is connected to the clamping assembly 3, the control handle 1 is used for driving the long-strip member 4 to move axially in the catheter assembly 2, the long-strip member 4 moves while the clamping assembly 3 is linked to move axially, and the clamping assembly 3 can retract into the catheter assembly 2 or extend out of the catheter assembly 2 and can be matched with a pipe orifice of the catheter assembly 2 so as to open and clamp the clamping assembly 3.

In this embodiment, when the long-strip member 4 moves in the catheter assembly 2 towards the direction of the control handle 1, the long-strip member 4 drives the connecting seat 31 to retract into the nozzle of the catheter assembly 2, and then the connecting seat 31 drives the jaw 32 to retract into the catheter assembly 2, and the jaw 32 is limited by the extrusion of the inner wall of the nozzle of the catheter assembly 2 to gradually clamp the opening of the jaw 32, so as to realize clamping.

In this embodiment, the anti-slip portions 321 are disposed on opposite inner sides of the jaws 32, so that the ear can be clamped more stably when clamped, and loosening caused by unstable clamping can be avoided. The anti-slip part 321 is a tooth head, the tooth head is arranged at the clamping end of the clamp claw 32, a plurality of grooves are formed in the tooth head, and the grooves can be distributed in a staggered mode in a horizontal and vertical mode, so that an array type fine tooth is formed, a blunt tooth surface is formed on the clamping surface of the tooth head, the blunt tooth surface has the advantage of firmly grabbing tissues, damage to the clamped tissues can be reduced, bleeding or infection of the tissues is reduced, and damage to the clamped tissues is small.

In this embodiment, the connecting seat 31 of the long component 4 and the clamping component 3 is disposed in the catheter component 2, and the front end nozzle of the catheter component 2 wraps the connection part of the connecting seat 31 and the clamp claw 32, so as to avoid damage to tissues during surgery.

The jaw 32 is a nitinol spring to provide the jaw 32 with the ability to retract into the catheter assembly 2 and deform, and to allow multiple or reciprocating opening and clamping actions.

Referring to fig. 4, in one embodiment, the control handle 1 is provided with a sliding member 11 capable of sliding along an axial direction, and the sliding member 11 is connected to one end of the elongated member 4.

In this embodiment, the long component 4 can reciprocate along the axial direction under the driving of the sliding component 11, and link the clamping component 3 to reciprocate along the axial direction, and realize the opening and the clamping of the jaws 32 of the clamping component 3 under the cooperation of the front end orifice of the catheter component 2.

In this embodiment, two limiting pieces may be disposed in the control handle 1, the sliding piece 11 is slidably mounted on the inner wall of the control handle 1 and is located between the two limiting pieces, the two limiting pieces are used for limiting the axial movement travel of the sliding piece 11, and when the sliding piece 11 drives the long-strip-shaped component 4 to slide, the long-strip-shaped component 4 is limited to slide too much, so that the jaw 32 is prevented from being retracted into the front end pipe orifice of the catheter assembly 2 excessively or the connecting seat 31 is prevented from being separated from the front end pipe orifice of the catheter assembly 2.

In a more specific embodiment, the control handle 1 is further provided with a push button 13 that is axially slidable, the push button 13 being arranged outside the control handle 1, the push button 13 being connected to the slider 11.

In this embodiment, the push button 13 is connected to the sliding member 11, and the user can move by pushing the push button 13 to link with the sliding member 11, so as to further move the elongate member 4 axially in the catheter assembly 2, so as to achieve the clamping of the clamping assembly 3.

Specifically, the sliding piece 11 is provided with a bump, the bump is exposed out of an opening formed in the control handle 1, the push button 13 is slidably mounted on the opening, a groove is formed in the bottom of the push button 13, and the bump is clamped in the groove, so that the push button 13 is connected with the sliding piece 11.

Referring to fig. 2, in one embodiment, the catheter assembly 2 includes a connecting tube 21, a flexible tube 22 and a sleeve 23 connected in sequence, the connecting tube 21 is connected to the control handle 1, and a connecting seat 31 is slidably mounted in the sleeve 23 along an axial direction.

In this embodiment, the length of the flexible tube 22 is longer than the connecting tube 21 and the sleeve 23 and can be bent and deformed, and the flexible tube 22 is connected between the connecting tube 21 and the sleeve 23, the long component 4 is arranged in the connecting tube 21, the flexible tube 22 and the sleeve 23 from the inside of the control handle 1, and when in use, the longer flexible tube 22 can meet the requirement of bending angle, so that the flexible tube is suitable for the requirement in the minimally invasive heart surgery.

Wherein elongate member 4 flexes in coordination with flexible tube 22 to provide a restoring force to flexible tube 22.

Referring to fig. 4, in one embodiment, elongate member 4 comprises an axially connected wire 42 and a core wire 41, wherein the end of wire 42 remote from core wire 41 is connected to connector block 31 and the end of core wire 41 remote from wire 42 is connected to slider 11.

In one embodiment, the control handle 1 is provided with a core wire anchor 12, and an end of the core wire 41 remote from the steel cord 42 penetrates the slider 11 and is then limited to the core wire anchor 12.

In this embodiment, the core wire anchor 12 limits the core wire 41 on the axial direction of the auricle clamp of the present application, the core wire 41 is threaded through the core wire anchor 12, and when the sliding piece 11 slides, the core wire 41 can be driven to move in the axial direction, so that the stability of the movement of the core wire 41 in the axial direction is improved.

In one embodiment, a locking member 5 which can be screwed in and out is arranged on one side of the control handle 1, the locking member 5 corresponds to the sliding member 11, the sliding member 11 can be pressed when the locking member 5 is screwed in, and the sliding member 11 can be separated when the locking member 5 is screwed out.

In this embodiment, after the user operates the slider 11 to connect the jaws 32, in order to maintain the clamped state of the jaws 32 stable, the locking member 5 may be operated to screw into the control handle 1 and press against the side surface of the slider 11, so as to increase the axial friction force of the slider 11 to prevent the slider 11 from sliding in the axial direction, so that the jaws 32 maintain the clamped state, and when the locking member 5 is unscrewed, the locking member 5 is separated from the slider 11, so that the clamped state of the jaws 32 can be released.

In an embodiment, the locking member 5 includes a hand screw 52 and a nut 51, the nut 51 is fixedly mounted inside the control handle 1 and corresponds to the sliding member 11, the hand screw 52 is located outside the control handle 1 and is screwed to the nut 51, so that the clamping state of the jaw 32 can be controlled by operating the hand screw 52 to screw in and screw out, and the operation is simple and convenient.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. An auricle clamp, comprising:

a control handle;

a catheter assembly having one end connected to the control handle;

the clamping assembly is arranged at the other end of the catheter assembly;

the long strip part is arranged in the control handle and the catheter assembly and can axially slide, one end of the long strip part is connected with the control handle, and the other end of the long strip part is connected with the clamping assembly;

the clamping assembly comprises a connecting seat and a clamp claw capable of being opened and closed, the connecting end of the clamp claw is connected with the connecting seat, and the connecting seat is positioned in the other end of the catheter assembly; when the control handle drives the long-strip part to move backwards, the clamp claw is linked to retract into the catheter assembly so as to clamp the clamp claw; when the control handle drives the long-strip part to move forwards, the clamp claw is linked to extend out of the catheter assembly so as to open the clamp claw; and anti-slip parts are arranged on the opposite inner sides of the clamp claws.

2. The auricle clamp according to claim 1, wherein the anti-slip portion is a tooth head, and a plurality of grooves are formed on a clamping surface of the tooth head so that the clamping surface of the tooth head forms a blunt tooth surface.

3. The auricle clip of claim 1, wherein the jaws are nitinol clips.

4. An auricle clamp according to claim 1, wherein a sliding member is provided in the control handle and is axially slidable, the sliding member being connected to one end of the elongate member.

5. The auricle clamp according to claim 4, wherein the control handle further comprises a slidable push button, the push button being disposed on an exterior of the control handle, the push button being connected to the slider.

6. The auricular clamp of claim 4, wherein the catheter assembly comprises a connecting tube, a flexible tube and a sleeve connected in sequence, the connecting tube being connected to the control handle, the connection seat being slidably mounted in the sleeve in an axial direction.

7. An auricle clamp according to claim 6, wherein the elongate member comprises an axially connected steel cord and a core wire, an end of the steel cord remote from the core wire being connected to the connecting seat, an end of the core wire remote from the steel cord being connected to the slider.

8. The auricle clamp of claim 7, wherein a core wire anchor is provided in the control handle, and an end of the core wire remote from the steel cord extends through the slider back end and is positioned on the core wire anchor.

9. An auricle clamp according to claim 4, wherein a locking member which can be screwed in and out is provided on one side of the control handle, the locking member corresponds to the sliding member, the sliding member can be pressed against when the locking member is screwed in, and the sliding member can be disengaged when the locking member is screwed out.

10. The auricle clamp according to claim 9, wherein the locking member comprises a hand screw and a nut, the nut being fixedly mounted inside the control handle and corresponding to the slider, the hand screw being located outside the control handle and being screwed to the nut.