CN218979069U

CN218979069U - Arteriovenous vascular clamp for nephrology department clinic

Info

Publication number: CN218979069U
Application number: CN202222241201.3U
Authority: CN
Inventors: 张学武; 曾一; 张国华
Original assignee: Fengjie People's Hospital
Current assignee: Fengjie People's Hospital
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-05-09
Anticipated expiration: 2032-08-25

Abstract

The utility model belongs to the field of medical equipment, and particularly relates to an arteriovenous vascular clamp for nephrology department clinic. The technology comprises a first clamping handle and a second clamping handle; one end of the first clamping handle is connected with a first clamping jaw, and one end of the second clamping handle is connected with a second clamping jaw; the inner side wall of the second clamping handle is connected with a connecting rod, and one end of the connecting rod is hinged with the second clamping handle; a sliding groove is formed in the first clamping handle, a sliding block is arranged in the sliding groove, and limiting sleeve plates are arranged at two ends of the sliding block; the sliding block is provided with a threaded through hole and a sleeve, and the sleeve is in threaded connection with the sliding block; one end of the connecting rod is provided with a step, the other end of the connecting rod extends into one end of the sleeve, a spring is sleeved outside the connecting rod, and two ends of the spring are respectively propped against one end of the step and one end of the sleeve. The vascular clamp is used for clamping and fixing blood vessels through the elastic action of the springs, the elastic force of the springs can be adjusted through the rotating sleeve, the vascular clamp can be suitable for clamping and fixing arterial and venous blood vessels of different sizes, the elastic force of the springs can be conveniently adjusted in the use process, and the degree of tightness of the vascular clamp to the clamping and fixing of the blood vessels can be conveniently controlled.

Description

Arteriovenous vascular clamp for nephrology department clinic

Technical Field

The utility model belongs to the field of medical equipment, and particularly relates to an arteriovenous vascular clamp for nephrology department clinic.

Background

When the arteriovenous vessel is broken and closed in the clinical operation of nephrology department, the vessel is clamped and fixed by the vascular clamp. The existing arteriovenous vascular clamps are used for clamping and fixing blood vessels under the action of the elastic force of a spring, for example, patent publication No. CN215384417U proposes a vascular clamp for a nephrology department clinical use, which is provided with a limiting rod and a tension spring, and the limiting rod can be matched with the tension spring to drive the clamp to clamp the blood vessels tightly through the tension of the spring; however, the elastic force of the spring in the arteriovenous clip is not adjustable, and the arteriovenous clip is not applicable to arteriovenous vessels with different sizes and the requirements on the clamping and fixing tightness degree of the vessels in actual use.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the elastic force of the spring in the vascular clamp is adjustable, so that the vascular clamp can be used for clamping and fixing vascular arteriovenous vessels of different sizes, and the elastic force of the spring can be conveniently adjusted in the use process, and the degree of tightness of the vascular clamp on clamping and fixing of the vascular can be conveniently controlled.

The arteriovenous vascular clamp for clinical nephrology department comprises a first clamping handle and a second clamping handle, wherein the first clamping handle is hinged with the second clamping handle through a pin shaft, one end of the first clamping handle is connected with a first clamp, and one end of the second clamping handle is connected with a second clamp;

the inner side wall of the second clamping handle is connected with a connecting rod, and one end of the connecting rod is hinged with the second clamping handle;

a sliding groove is formed in the first clamping handle, the sliding groove penetrates through the inner side wall and the outer side wall of the first clamping handle, a sliding block is arranged in the sliding groove, and limiting sleeve plates are arranged at two ends of the sliding block; the middle part of the sliding block is provided with a threaded through hole, a sleeve is arranged in the threaded through hole, the outer side wall of the sleeve is provided with external threads, and the sleeve is in threaded connection with the threaded through hole of the sliding block; one end of the connecting rod is provided with a step, the other end of the connecting rod extends into one end of the sleeve, a spring is sleeved outside the connecting rod, one end of the spring abuts against the step on the connecting rod, and the other end of the spring abuts against one end of the sleeve.

Further, protruding teeth are arranged on the inner side wall of the first clamp and the inner side wall of the second clamp.

Further, a rubber pad is arranged outside the convex teeth.

Further, the first clamping jaw is rotationally connected with the first clamping handle through a damping rotating shaft, and the second clamping jaw is rotationally connected with the second clamping handle through a damping rotating shaft.

Further, the other end of the sleeve is connected with a screwing cap.

Compared with the prior art, the utility model has the following beneficial effects:

the vascular clamp is used for clamping and fixing blood vessels through the elastic action of the springs, the elastic force of the springs can be adjusted through the rotating sleeve, the vascular clamp can be suitable for clamping and fixing arterial and venous blood vessels of different sizes, and the elastic force of the springs can be conveniently adjusted in the use process and the tightness degree of the vascular clamp to the clamping and fixing of the blood vessels can be conveniently controlled.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the jaw of FIG. 1 in an open configuration;

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

FIG. 4 is a front view of the jaw of FIG. 1 in a deflected state;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4 at B;

the names of the components in the figure are as follows: 1. the damping device comprises a first clamping handle 2, a damping rotating shaft 3, a first clamping jaw 4, convex teeth 5, a rubber pad 6, a second clamping jaw 7, a pin shaft 8, a second clamping handle 9, a connecting rod 10, a spring 11, a sleeve 12, a sliding chute 13, a sliding block 14, a limiting sleeve plate 15 and a screwing cap.

Detailed Description

The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Example 1

The arteriovenous vascular clamp for nephrology department clinic according to the embodiment, as shown in fig. 1 to 5, comprises a first clamping handle 1 and a second clamping handle 8, wherein the first clamping handle 1 and the second clamping handle 8 are hinged through a pin shaft 7, one end of the first clamping handle 1 is connected with a first clamp 3, one end of the second clamping handle 8 is connected with a second clamp 6, the other end of the first clamping handle 1 and the other end of the second clamping handle 8 are hand-held ends which are manually held, the first clamp 3 and the second clamp 6 can be controlled to open and close through the hand-held ends, and the arteriovenous vascular can be clamped and fixed when the first clamp 3 and the second clamp 6 are closed;

the inner side wall of the second clamping handle 8 is connected with a connecting rod 9, one end of the connecting rod 9 is hinged with the second clamping handle 8, and specifically, the second clamping handle 8 comprises a hinging seat, and one end of the connecting rod 9 is hinged with the hinging seat;

the first clamping holder 1 is provided with a sliding groove 12, the sliding groove 12 penetrates through the inner side wall and the outer side wall of the first clamping holder 1, a sliding block 13 is arranged in the sliding groove 12, both ends of the sliding block 13 are provided with limiting sleeve plates 14, the sliding block 13 can slide in the sliding groove 12, the limiting sleeve plates 14 can prevent the sliding block 13 from moving along the inner side wall and the outer side wall of the first clamping holder 1, and the side, close to the second clamping holder 8, of the first clamping holder 1 is the inner side; the middle part of the sliding block 13 is provided with a threaded through hole, a sleeve 11 is arranged in the threaded through hole, the outer side wall of the sleeve 11 is provided with external threads, the sleeve 11 is in threaded connection with the threaded through hole of the sliding block 13, and the sleeve 11 can move in the threaded through hole of the sliding block 13 by rotating the sleeve 11; one end of the connecting rod 9 is provided with a step, the other end of the connecting rod stretches into one end of the sleeve 11, a spring 10 is sleeved outside the connecting rod 9, one end of the spring 10 is propped against the step on the connecting rod 9, the other end of the spring 10 is propped against one end of the sleeve 11, the spring 10 is in a compressed state under the action of no external force, under the action of the elastic force of the spring 10, the first clamping holder 1 and the second clamping holder 8 are in an open state, the first clamping holder 3 and the second clamping holder 6 are in a closed state, the first clamping holder 1 and the second clamping holder 8 are manually held and the spring 10 is compressed, the first clamping holder 3 and the second clamping holder 6 can be opened, the interval between the step on the connecting rod 9 and the end of the sleeve 11 can be adjusted by rotating the sleeve 11, and therefore the elastic force of the spring 10 can be adjusted;

further, the cross section of the sliding groove 12 is square, the cross section of the sliding block 13 is square, and the sliding block 13 can be prevented from rotating in the sliding groove 12 when the sleeve 11 is rotated.

The working principle of the embodiment is as follows: when the vascular clamp is not used, the spring 10 is in a compressed state and is in an open state and the first clamp 3 and the second clamp 6 are in a closed state under the action of the elasticity of the spring 10, wherein the vascular clamp is not under the action of external force; when the vascular clamp is used, the first clamping handle 1 and the second clamping handle 8 are manually held, the first clamping handle 1 and the second clamping handle 8 are oppositely closed, the sleeve 11 moves along the connecting rod 9 and closes to the step on the connecting rod 9, the sliding block 13 moves in the sliding groove 12 in the process, the spring 10 is further compressed, the first clamping jaw 3 and the second clamping jaw 6 are opened so as to clamp an arteriovenous vessel, after the arteriovenous vessel is clamped, the acting force on a hand is released, and under the action of the spring 10, the first clamping handle 1 and the second clamping handle 8 are opened, and the first clamping jaw 3 and the second clamping jaw 6 are closed and clamp the arteriovenous vessel; aiming at arteriovenous vessels with different sizes and the requirements on clamping tightness degree of the vessels, the initial spacing between the sleeve 11 and the step on the connecting rod 9 can be adjusted by screwing the sleeve 11, so that the initial compression amount of the spring 10 is adjusted, the elasticity of the spring 10 is adjusted, and when the vascular clamp is not used, the smaller the initial spacing between the sleeve 11 and the step on the connecting rod 9 is, the tighter the clamping is when the arteriovenous vessels are clamped; the elastic force of the spring in the vascular clamp is adjustable, and the vascular clamp can be suitable for clamping and fixing arteriovenous vessels of different sizes, and can be convenient for adjusting the elastic force of the spring and controlling the tightness degree of the vascular clamp to the clamping and fixing of the vessels in the use process.

Example 2

In this embodiment, the technology will be further described, the inner side wall of the first jaw 3 and the inner side wall of the second jaw 6 are both provided with the convex teeth 4, the convex teeth 4 have an anti-slip effect, and the side of the first jaw 3 close to the side of the second jaw 6 is the inner side.

Example 3

The technology will be further described in this embodiment, the rubber pad 5 is provided outside the protruding teeth 4, and the rubber pad 5 can avoid the protruding teeth 4 from damaging the artery and vein when the forceps are clamped.

Example 4

The technology of this embodiment will be further described, as shown in fig. 1 and fig. 4, the first jaw 3 is rotationally connected with the first clamping holder 1 through the damping rotating shaft 2, the second jaw 6 is rotationally connected with the second clamping holder 8 through the damping rotating shaft 2, and the first jaw 3 and the second jaw 6 can be respectively rotated under the action of external force, so as to adjust the included angle between the jaws and the clamping holders, and the device can be suitable for clamping and fixing arteriovenous blood vessels in different angles.

Example 5

The technology of this embodiment will be further described, the other end of the sleeve 11 is connected with a screw cap 15, and the sleeve 11 is turned conveniently by the screw cap 15.

Claims

1. Clinical arteriovenous vascular clamp of using of nephrology department, including first clamp holder (1) and second clamp holder (8), articulate through round pin axle (7), its characterized in that between first clamp holder (1) and second clamp holder (8): one end of the first clamping handle (1) is connected with a first clamping jaw (3), and one end of the second clamping handle (8) is connected with a second clamping jaw (6);

the inner side wall of the second clamping handle (8) is connected with a connecting rod (9), and one end of the connecting rod (9) is hinged with the second clamping handle (8);

a sliding groove (12) is formed in the first clamping handle (1), the sliding groove (12) penetrates through the inner side wall and the outer side wall of the first clamping handle (1), a sliding block (13) is arranged in the sliding groove (12), and limiting sleeve plates (14) are arranged at two ends of the sliding block (13); a threaded through hole is formed in the middle of the sliding block (13), a sleeve (11) is arranged in the threaded through hole, external threads are arranged on the outer side wall of the sleeve (11), and the sleeve (11) is in threaded connection with the threaded through hole of the sliding block (13); one end of the connecting rod (9) is provided with a step, the other end of the connecting rod extends into one end of the sleeve (11), a spring (10) is sleeved outside the connecting rod (9), one end of the spring (10) abuts against the step on the connecting rod (9), and the other end of the spring (10) abuts against one end of the sleeve (11).

2. The arteriovenous vascular clamp for clinical use in nephrology according to claim 1, wherein: the inner side wall of the first clamping jaw (3) and the inner side wall of the second clamping jaw (6) are respectively provided with convex teeth (4).

3. The arteriovenous vascular clamp for clinical use in nephrology according to claim 2, wherein: the rubber pad (5) is arranged outside the convex teeth (4).

4. The arteriovenous vascular clamp for clinical use in nephrology according to claim 1, wherein: the first clamping jaw (3) is rotationally connected with the first clamping handle (1) through the damping rotating shaft (2), and the second clamping jaw (6) is rotationally connected with the second clamping handle (8) through the damping rotating shaft (2).

5. The arteriovenous vascular clamp for clinical use in nephrology according to claim 1, wherein: the other end of the sleeve (11) is connected with a screwing cap (15).