A force applying forceps for hemostatic clip

Abstract

The present application provides a force-applying forceps for a hemostatic clamp, which belongs to the technical field of medical devices and is provided with a forceps head, wherein the forceps head is provided with a first clamping claw, a second clamping claw and a connecting shaft, wherein both the first clamping claw and the second clamping claw can rotate around the connecting shaft, and a linkage plate is provided between the first clamping claw and the second clamping claw, wherein the linkage plate is provided with a first linkage pin and a second linkage pin, wherein the first clamping claw is provided with a first driving groove, and the second clamping claw is provided with a second driving groove, wherein the first linkage pin is slidably arranged in the first driving groove, and the second linkage pin is slidably arranged in the second driving groove; the first driving groove and the second driving groove are both inclinedly arranged, and the inclination directions of the first driving groove and the second driving groove are opposite; the hemostatic clamp is clamped between the first clamping claw and the second clamping claw, and the linkage plate drives the first clamping claw and the second clamping claw to approach each other, and presses the hemostatic clamp inwardly, so as to ensure uniform force on both sides of the hemostatic clamp.

Description

Technical Field

[0001] The present application belongs to the technical field of medical devices, and more specifically, relates to a force-applying forceps for a hemostatic clip. Background Art

[0002] Hemostatic clips are suitable for ligating blood vessels or other tubular structures in clinical laparoscopic surgery or surgical non-absorbable ligation clips; hemostatic clips are used in the process of sealing tubular structures in the human body during surgical operations, and require the use of forceps.

[0003] The utility model patent with publication number CN209285627U discloses a medical hemostatic clip, including a hemostatic clip, which includes a first arc-shaped splint, a connecting rib and a second arc-shaped splint, the first arc-shaped splint is connected to the second arc-shaped splint through the connecting rib, a reinforcing rib is welded on one side of the connecting rib, an auxiliary cylinder is fixedly embedded in the outer wall of the first arc-shaped splint away from the connecting rib, and a hook ring is welded at the bottom end of the first arc-shaped splint, a hook groove is opened inside the hook ring, a clamping plate is welded at the end of the second arc-shaped splint, a bottom plate is fixedly connected to the center of the clamping plate, a protruding block is vertically welded on the upper surface of the bottom plate, and the protruding block is engaged with the hook groove.

[0004] Existing force-applying forceps for hemostatic clamps have the following disadvantages: in order to ensure the effect of clamping the blood vessel, the hemostatic clamp needs to have strong toughness; the force on both sides of the force-applying forceps is uneven, which can easily cause the position of the hemostatic clamp to shift and cannot be accurately placed at the specified position on the blood vessel; the force-applying forceps have a complex structure and are inconvenient to assemble and clean. Summary of the invention

[0005] The utility model aims to make up for the deficiencies of the prior art and provide a force-applying forceps for hemostatic clamps. The technical solution adopted in this application is:

[0006] A force-applying forceps for a hemostatic clamp is provided with a forceps head, the forceps head is provided with a first clamping claw, a second clamping claw and a connecting shaft, the first clamping claw and the second clamping claw can both rotate around the connecting shaft, a linkage plate is provided between the first clamping claw and the second clamping claw, the linkage plate is provided with a first linkage pin and a second linkage pin, the first clamping claw is provided with a first driving groove, the second clamping claw is provided with a second driving groove, the first linkage pin is slidably arranged in the first driving groove, and the second linkage pin is slidably arranged in the second driving groove; the first driving groove and the second driving groove are both inclined, and the inclination directions of the first driving groove and the second driving groove are opposite.

[0007] Preferably, the first clamping claw is provided with a first driving plate, and the first driving groove is provided on the first driving plate; the second clamping claw is provided with a second driving plate, and the second driving groove is provided on the second driving plate; the linkage plate is provided between the first driving plate and the second driving plate, and the first linkage pin and the second linkage pin are symmetrically provided on both sides of the linkage plate.

[0008] Preferably, the pliers head is also provided with a support seat, the support seat is provided with a first clamping plate and a second clamping plate, the first drive plate and the second drive plate are arranged between the first clamping plate and the second clamping plate, the first drive plate is abutted against the inner side of the first clamping plate, and the second drive plate is abutted against the inner side of the second clamping plate.

[0009] Preferably, the connecting shaft is arranged at the front end of the supporting seat, the linkage plate is arranged behind the connecting shaft, and the first driving groove and the second driving groove are both arranged to be inclined outward from the back to the front along the direction of the clamp head.

[0010] Preferably, the connecting shaft passes through the first clamping plate and the second clamping plate in sequence, and both the first clamping plate and the second clamping plate are provided with connecting holes adapted to the connecting shaft.

[0011] Preferably, a driving rod and a sleeve are further provided, wherein the driving rod is movably arranged in the sleeve; the clamp head is arranged at the front end of the sleeve, and the linkage plate is linked with the driving rod.

[0012] Preferably, a handle is further provided, the handle is provided with a holding handle and a pushing handle, the pushing handle is hinged to the holding handle; the holding handle is arranged at the rear end of the sleeve, and the pushing handle is linked to the driving rod.

[0013] Preferably, a connecting sleeve is provided at the front end of the holding handle, and the sleeve is sleeved on the connecting sleeve.

[0014] Preferably, a rotating wheel is disposed outside the sleeve.

[0015] Preferably, a reset spring is provided between the push handle and the holding handle.

[0016] The advantages of the utility model are as follows:

[0017] The clamp head is inserted into the storage box to take out the hemostatic clamp, which is clamped between the first clamping claw and the second clamping claw. The first clamping claw and the second clamping claw are driven to approach each other through the linkage plate, and the hemostatic clamp is pressed inward, so that the first arc-shaped clamping plate and the second arc-shaped clamping plate of the hemostatic clamp are close to each other, and the blood vessel between the first arc-shaped clamping plate and the second arc-shaped clamping plate is clamped, so that the ligation of the blood vessel can be completed conveniently; the setting of the linkage plate ensures that the first clamping claw and the second clamping claw rotate synchronously, so that the force on both sides of the hemostatic clamp is uniform, and the position of the hemostatic clamp will not be offset in the clamp head, so that it can be accurately placed at the specified position of the blood vessel;

[0018] The first driving groove and the second driving groove are both inclined, and the inclination directions of the first driving groove and the second driving groove are opposite; the linkage plate only needs to be provided with a first linkage pin and a second linkage pin respectively inserted into the first driving groove and the second driving groove, so as to synchronously control the actions of the first clamping claw and the second clamping claw, with a simple and reliable structure, and convenient assembly and cleaning operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 present application. For ordinary technicians in this field, other drawings can be obtained like these drawings without paying any creative labor.

[0020] Figure 1 It is a schematic diagram of the force applying forceps used for hemostatic clips;

[0021] Figure 2 This is an exploded view of the forceps used for hemostatic clips;

[0022] Figure 3 It is a schematic diagram of the working principle of the force applicator for hemostatic clips.

[0023] Explanation of symbols in the figure:

[0024] 1 is a clamp head, 11 is a first clamping claw, 111 is a first driving groove, 112 is a first driving plate, 12 is a second clamping claw, 121 is a second driving groove, 122 is a second driving plate, 13 is a connecting shaft, 14 is a supporting seat, 141 is a first clamping plate, 142 is a second clamping plate, and 143 is a connecting hole;

[0025] 2 is a linkage plate, 21 is a first linkage pin, and 22 is a second linkage pin;

[0026] 3 is a driving rod;

[0027] 4 is a sleeve, 41 is a rotating wheel;

[0028] 5 is a handle, 51 is a holding handle, 511 is a connecting sleeve, 52 is a pushing handle, and 53 is a resetting spring. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0030] The force applying forceps for the hemostatic clip provided in the embodiment of the present application will now be described.

[0031] like Figures 1 to 3As shown, a force-applying forceps for a hemostatic clamp is provided with a forceps head 1, the forceps head 1 is provided with a first clamping jaw 11, a second clamping jaw 12 and a connecting shaft 13, the first clamping jaw 11 and the second clamping jaw 12 can both rotate around the connecting shaft 13, a linkage plate 2 is provided between the first clamping jaw 11 and the second clamping jaw 12, the linkage plate 2 is provided with a first linkage pin 21 and a second linkage pin 22, the first clamping jaw 11 is provided with a first driving groove 111, the second clamping jaw 12 is provided with a second driving groove 121, the first linkage pin 21 is slidably arranged in the first driving groove 111, and the second linkage pin 22 is slidably arranged in the second driving groove 121; the first driving groove 111 and the second driving groove 121 are both inclined, and the inclination directions of the first driving groove 111 and the second driving groove 121 are opposite.

[0032] The clamp head 1 is inserted into the storage box to take out the hemostatic clamp, which is clamped between the first clamping claw 11 and the second clamping claw 12. The first clamping claw 11 and the second clamping claw 12 are driven to approach each other through the linkage plate 2, and the hemostatic clamp is pressed inward, and the first arc-shaped splint and the second arc-shaped splint of the hemostatic clamp are close to each other, and the blood vessel between the first arc-shaped splint and the second arc-shaped splint is clamped, so that the ligation of the blood vessel can be conveniently completed; the setting of the linkage plate ensures that the first clamping claw 11 and the second clamping claw 12 rotate synchronously, so that the force on both sides of the hemostatic clamp is uniform, and the position of the hemostatic clamp will not be offset in the clamp head 1, and then it is accurately placed at the specified position of the blood vessel.

[0033] The first driving groove 111 and the second driving groove 121 are both inclined, and the inclination directions of the first driving groove 111 and the second driving groove 121 are opposite; the linkage plate 2 only needs to be provided with a first linkage pin 21 and a second linkage pin 22 respectively inserted into the first driving groove 111 and the second driving groove 121, so as to synchronously control the actions of the first clamping claw 11 and the second clamping claw 12, with a simple and reliable structure, and convenient assembly and cleaning operations.

[0034] The first clamping jaw 11 is provided with a first driving plate 112, and the first driving groove 111 is provided on the first driving plate 112; the second clamping jaw 12 is provided with a second driving plate 122, and the second driving groove 121 is provided on the second driving plate 122; the linkage plate 2 is provided between the first driving plate 112 and the second driving plate 122, and the first linkage pin 21 and the second linkage pin 22 are symmetrically provided on both sides of the linkage plate 2.

[0035] The linkage plate 2 has a symmetrical and simple structure, which simplifies the structure of the clamp head 1. The clamp head 1 has high reliability and low processing cost.

[0036] The pliers head 1 is also provided with a support seat 14, which is provided with a first clamping plate 141 and a second clamping plate 142, and the first drive plate 112 and the second drive plate 122 are arranged between the first clamping plate 141 and the second clamping plate 142, the first drive plate 112 is attached to the inner side of the first clamping plate 141, and the second drive plate 122 is attached to the inner side of the second clamping plate 142.

[0037] The first driving plate 112 and the second driving plate 122 are arranged between the first clamping plate 141 and the second clamping plate 142, which can ensure that the first driving plate 112 and the second driving plate 122 clamp the linkage plate 2, and at the same time prevent the first linkage pin 21 from sliding out of the first driving groove 111 and the second linkage pin 22 from sliding out of the second driving groove 121, further simplifying the structure of the pliers head 1.

[0038] The connecting shaft 13 is arranged at the front end of the supporting seat 14 , the linkage plate 2 is arranged behind the connecting shaft 13 , and the first driving groove 111 and the second driving groove 121 are both arranged to be inclined outward from the back to the front along the pliers head 1 .

[0039] The connecting shaft 13 passes through the first clamping plate 141 and the second clamping plate 142 in sequence, and the first clamping plate 141 and the second clamping plate 142 are both provided with a connecting hole 143 adapted to the connecting shaft 13. The connecting shaft 13 cooperates with the bolt to prevent the first clamping plate 141 and the second clamping plate 142 from deforming outwards, and the spacing between the first clamping plate 141 and the second clamping plate 142 is stable, thereby increasing the reliability of the pliers head 1.

[0040] A driving rod 3 and a sleeve 4 are also provided. The driving rod 3 is movably arranged in the sleeve 4. The pliers head 1 is arranged at the front end of the sleeve 4, and the linkage plate 2 is linked with the driving rod 3.

[0041] A handle 5 is also provided. The handle 5 is provided with a holding handle 51 and a pushing handle 52 . The holding handle 51 and the pushing handle 52 are hinged. The holding handle 51 is provided at the rear end of the sleeve 4 , and the pushing handle 52 is linked with the driving rod 3 .

[0042] A connecting sleeve 511 is provided at the front end of the holding handle 51 , and the sleeve 4 is sleeved on the connecting sleeve 511 .

[0043] The sleeve 4 is provided with a rotating wheel 41, which can conveniently drive the sleeve 41 to rotate and adjust the angle of the pliers head 1. In this embodiment, the rotating wheel 41 is a pentagonal rotating wheel.

[0044] A reset spring sheet 53 is provided between the push handle 52 and the holding handle 51. When the handle 5 is not subjected to force, the push handle 52 can be automatically reset, which is convenient for operation.

[0045] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A force-applying forceps for a hemostatic clamp, comprising a forceps head, wherein the forceps head comprises a first clamping claw, a second clamping claw and a connecting shaft, wherein both the first clamping claw and the second clamping claw can rotate around the connecting shaft, and wherein: A linkage plate is provided between the first clamping claw and the second clamping claw, and the linkage plate is provided with a first linkage pin and a second linkage pin. The first clamping claw is provided with a first driving groove, and the second clamping claw is provided with a second driving groove. The first linkage pin is slidably provided in the first driving groove, and the second linkage pin is slidably provided in the second driving groove; the first driving groove and the second driving groove are both inclined, and the inclination directions of the first driving groove and the second driving groove are opposite.

2. The force applying forceps for hemostatic clip according to claim 1, characterized in that: The first clamping claw is provided with a first driving plate, and the first driving groove is provided on the first driving plate; the second clamping claw is provided with a second driving plate, and the second driving groove is provided on the second driving plate; the linkage plate is provided between the first driving plate and the second driving plate, and the first linkage pin and the second linkage pin are symmetrically provided on both sides of the linkage plate.

3. The force applying forceps for hemostatic clip according to claim 2, characterized in that: The pliers head is also provided with a support seat, and the support seat is provided with a first clamping plate and a second clamping plate, the first drive plate and the second drive plate are arranged between the first clamping plate and the second clamping plate, the first drive plate is abutted against the inner side of the first clamping plate, and the second drive plate is abutted against the inner side of the second clamping plate.

4. The force applying forceps for hemostatic clip according to claim 3, characterized in that: The connecting shaft is arranged at the front end of the supporting seat, the linkage plate is arranged behind the connecting shaft, and the first driving groove and the second driving groove are both arranged to be inclined outward from the back to the front along the direction of the clamp head.

5. The force applying forceps for hemostatic clip according to claim 4, characterized in that: The connecting shaft passes through the first clamping plate and the second clamping plate in sequence, and the first clamping plate and the second clamping plate are both provided with connecting holes adapted to the connecting shaft.

6. The force applicator for hemostatic clip according to any one of claims 1 to 5, characterized in that: A driving rod and a sleeve are also provided, wherein the driving rod is movably arranged in the sleeve; the pliers head is arranged at the front end of the sleeve, and the linkage plate is linked with the driving rod.

7. The force applying forceps for hemostatic clip according to claim 6, characterized in that: A handle is also provided, and the handle is provided with a holding handle and a pushing handle, and the pushing handle is hinged with the holding handle; the holding handle is arranged at the rear end of the sleeve, and the pushing handle is linked with the driving rod.

8. The force applying forceps for hemostatic clip according to claim 7, characterized in that: A connecting sleeve is arranged at the front end of the holding handle, and the sleeve is sleeved on the connecting sleeve.

9. The force applying forceps for hemostatic clip according to claim 8, characterized in that: A rotating wheel is arranged outside the sleeve.

10. The force applying forceps for hemostatic clip according to claim 7, characterized in that: A reset spring is arranged between the pushing handle and the holding handle.

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