CN219480229U

CN219480229U - Continuous hair clamp pushing block

Info

Publication number: CN219480229U
Application number: CN202320771967.4U
Authority: CN
Inventors: 曹佳振; 尹君
Original assignee: Jinling Medical Technology Changzhou Co ltd
Current assignee: Jinling Medical Technology Changzhou Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-08
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of surgical instruments, in particular to a push block of a continuous hair clip applier, which comprises a clip applier and a push block, wherein the clip applier comprises a clip cabin and a push sheet, the push sheet is arranged in the clip cabin, a feeding chuck is arranged at the head end of the push sheet, the push sheet is uniformly arranged on the push sheet corresponding to the clip interval, the push block is arranged at the tail end of the clip cabin, the push block moves from the tail end of the clip cabin to the head end of the clip cabin through the push sheet, an anti-falling slot is arranged at the side edge of the push block, an anti-falling elastic sheet which is buckled with the anti-falling slot is arranged on the cabin wall of the head end of the clip cabin, an installation groove capable of accommodating the anti-falling elastic sheet is formed in the cabin wall of the head end of the clip cabin, one end of the anti-falling elastic sheet is fixedly arranged in the installation groove, and the other end of the anti-falling elastic sheet is provided with a bending towards the inside of the clip cabin and is abutted against the anti-falling slot. The push block of the continuous hair clip applier is limited by the cooperation of the side anti-falling notch of the push block and the anti-falling elastic sheet at the end of the clip bin so as to prevent the push block from falling off.

Description

Continuous hair clamp pushing block

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a clip applier pushing block.

Background

There is a general need in surgical procedures to ligate blood vessels or other tissue of the human body, either temporarily or permanently, to reduce bleeding. There are two ways to ligate a blood vessel, the first is to suture the blood vessel with a needle and a surgical suture, and the other is to clamp the blood vessel with a clip to close the blood vessel. The first suturing method requires a doctor to perform a complicated suturing operation, and is difficult to perform in endoscopic surgery with limited space and low visibility, and, in contrast, a method of closing a blood vessel with a clip is simple and can be performed rapidly, so that the use of the clip in endoscopic surgery is drastically increased.

Through retrieving, the patent of publication number CN211534626U discloses the binding clip of continuous hair clip applier, the tank bottom of guide way is equipped with the anticreep hole, the closure clamp is placed in the storage silo, the closure clamp slides out from the opening part of storage silo, the closure clamp opens to be the V style of calligraphy under self tensile force, the projection of closure clamp lateral wall slides to the binding clip front end along the guide way tank bottom, when the projection reached the anticreep hole, the projection card was located in the anticreep hole under self tensile force, the binding clip firmly grabs the closure clamp, make the closure clamp be difficult for droing. When the clip in the clip bin is used up, in order to remind a user not to continue firing, the push block is usually set to be red or yellow so as to prompt a doctor that the closed clip in the clip applier is used up for filling in time, but in the closing and opening processes of the clip heads, the push block is easy to fall off, and the normal use of the clip applier is affected.

Disclosure of Invention

In order to solve the problem that the push block is easy to fall off due to the fact that the limit of the push block is lacking at the end of an existing clamp head, the utility model provides the push block of the continuous hair clip applier.

The utility model provides a push block of a continuous hair clip applier, which comprises a clip applier and a push block, wherein the clip applier comprises a clip bin and a push sheet, the push sheet is arranged in the clip bin, a feeding chuck is arranged at the head end of the push sheet, the push sheet is uniformly arranged on the push sheet corresponding to the clip interval, the push block is arranged at the tail end of the clip bin, the push block moves from the tail end of the clip bin to the head end of the clip bin through the push sheet, an anti-falling notch is arranged at the side edge of the push block, and an anti-falling elastic sheet which is buckled with the anti-falling notch is arranged on the bin wall of the head end of the clip bin. When the push block moves to the end of the clamping bin, the anti-falling elastic sheet is clamped into the anti-falling notch, and the push block is limited, so that the push block is effectively prevented from falling off.

Further, the bin wall at the end of the bin is provided with a mounting groove capable of containing the anti-falling elastic sheet, one end of the anti-falling elastic sheet is fixedly arranged in the mounting groove, the other end of the anti-falling elastic sheet is provided with a bending towards the inside of the bin, and the bending is propped against the inside of the anti-falling notch. The anti-falling spring plate with bending can be easily clamped into the anti-falling notch.

Further, the head end of the pushing block is also provided with a conveying boss, the conveying boss is higher than the pushing block, and the conveying boss is matched with the pushing clamping piece. The pushing clamping piece is propped against the conveying boss to push the pushing block to advance.

Further, an elastic connecting part is arranged between the transmission boss and the pushing block, and the elastic connecting part is arc-shaped. After the jaws are closed, the pushing block can be extruded and placed in the jaws by utilizing the elastic connecting part.

Further, the thickness of the elastic connecting part is larger than that of the pushing block, and an action step matched with the chuck is formed between the tail end of the elastic connecting part and the pushing block. When the pushing block is pushed out of the clamping bin, the clamping head is abutted to the action step.

Further, the connecting end of the pushing block and the elastic connecting part is also provided with an avoidance groove. In order to be matched with the clips in the clip bin, the clip is more convenient to push forwards.

Further, limiting ribs are arranged on two side edges of the push block, the limiting ribs on the two side edges are in contact with the inner side wall of the clamping bin, and the anti-falling notch is formed in the limiting rib on one side. Limiting and stable sliding of the push block are realized through ribs on two sides.

Further, the clamping bin comprises a bottom wall and two side walls, the anti-falling notch is formed in any one of the side walls, and the bottom wall is provided with a guide piece corresponding to the push clamping piece. The pushing of the pushing block is guided by the inclined guide piece on the bottom wall.

Further, the pushing piece is arranged between the two side walls in parallel, and can axially reciprocate along the two side walls. The pushing block is driven to advance by the axially reciprocating pushing piece.

Further, the clamping bin head end is also provided with a jaw for opening and closing the clamping bin, and the jaw is rotatably arranged at the clamping bin head end. Opening or closing of the clamping bin head end is realized through the jaw.

The utility model has the beneficial effects that:

the utility model provides a push block of a continuous hair clip applier, which is characterized in that an anti-falling notch is formed in the side edge of the push block, and an anti-falling elastic sheet matched with the anti-falling notch is arranged on the side wall of a clip bin, when the push block is pushed out of the clip bin, the elastic sheet is propped into the anti-falling notch to limit the push block, so that the push block is effectively prevented from falling off when a jaw is opened.

Drawings

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

FIG. 1 is a schematic illustration of the structure of a pusher;

FIG. 2 is a schematic top view of the pusher block mated with the clip applier;

FIG. 3 is a schematic bottom view of the pusher block mated with the clip applier;

FIG. 4 is a schematic illustration of the cooperation of the pusher block with the feed collet;

FIG. 5 is a schematic illustration of the cooperation of the push block and the push clip;

FIG. 6 is a schematic view of a drop-proof dome;

in the drawing, a clamping bin 1, a mounting groove 12, an anti-falling spring plate 13, a bending part 14, a bottom wall 15, a side wall 16, a guide plate 2, a pushing plate 21, a feeding clamping head 22, a pushing clamping piece 3, a pushing block 31, an anti-falling notch 32, a conveying boss 33, an elastic connecting part 34, an action step 35, an avoidance groove 36, a limit rib 4 and a jaw.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

In order to prevent the push block 3 from falling from the clamping bin 1, a continuous hair clip applier push block is designed, as shown in fig. 2 and 3, the continuous hair clip applier push block comprises clip appliers and a push block 3, each clip appliers comprises a clamping bin 1 and a push piece 2, the push piece 2 is arranged in the clamping bin 1, a chuck 21 is arranged at the head end of the push piece 2, push clips 22 are uniformly arranged on the push piece 2 corresponding to the clip intervals, the push block 3 is arranged at the tail end of the clamping bin 1, the push block 3 moves from the tail end of the clamping bin 1 to the head end of the clamping bin 1 through the push clips 22, a jaw 4 for opening and closing the clamping bin 1 is further arranged at the head end of the clamping bin 1, and the jaw 4 is rotatably arranged at the head end of the clamping bin 1.

A continuous clip applier is known, comprising a jaw 4, a clip magazine 1, a handle and a pushing mechanism, the clip magazine 1 comprising a bottom wall 14 and two side walls 15 forming an elongated box, inside which a first clip at the most distal end and further clips arranged one after the other behind the first clip are accommodated, in use it being necessary to send clips, push clips and apply clips, the clip to push the first clip into the jaw 4 position, the clip to push the further clips into the jaw 1 to move to a position towards the head end such that the most front end is replenished with a new first clip, the clip to close the jaw 4 such that the clips located in the jaw 4 are closed, the handle providing power to drive the clip to send clips, push clips and apply clips. The pushing mechanism is a pushing piece 2, the pushing piece 2 is a sheet metal strip formed integrally and is arranged in a clamping bin 1, a chuck feeding 21 is arranged at the forefront end of the pushing piece 2, a plurality of pushing clamping pieces 22 are arranged at the middle end of the pushing piece, corresponding to the intervals of other clamps, the chuck feeding 21 and the pushing clamping pieces 22 are both elastically inclined to the main body of the pushing piece 2, the rearmost end of the pushing piece 2 is connected to a handle, so that the pushing piece 2 is driven to move forwards or backwards by the movement of the handle, when the pushing piece 2 moves forwards, the chuck feeding 21 obliquely props against the first clamp from the side face, the plurality of pushing clamping pieces 22 obliquely props against the other clamps, and all clamps simultaneously advance.

The difference with the prior art is that, as shown in fig. 1, the side edge of the push block 3 is provided with an anti-drop slot 31, and the wall of the head end of the clamping bin 1 is provided with an anti-drop spring piece 12 which is buckled with the anti-drop slot 31.

When the push block 3 is pushed out of the clamping bin 1, the anti-falling elastic sheet 12 is propped into the anti-falling notch 31, so that the push block 3 is limited in the clamping bin 1, and when the jaw 4 is opened, the push block 3 is pressed by the anti-falling elastic sheet 12, so that the push block 3 cannot fall off.

In order to cooperate with the pushing piece 2 for pushing, the head end of the pushing piece 3 is also provided with a conveying boss 32, the conveying boss 32 is higher than the pushing piece 3, and the conveying boss 32 is matched with the pushing piece 22.

As shown in fig. 4 and 5, an elastic connection part 33 is further provided between the transmission boss and the push block 3, and the elastic connection part 33 is arc-shaped. The arc-shaped elastic connecting part 33 enables the head end of the push block 3 to have certain elasticity, and when the jaws 4 are closed, the head end of the push block 3 can be extruded and placed at the position between the two jaws 4 due to the action of the elastic connecting part 33.

In order to push the pusher 3 out of the cartridge 1 in cooperation with the pusher 2, the thickness of the elastic connection portion 33 is greater than that of the pusher 3, and an action step 34 adapted to the feeding collet 21 is formed between the tail end of the elastic connection portion 33 and the pusher 3. When the push block 3 is pushed out of the cartridge 1, the feeding chuck 21 is abutted against the action step 34, and the action surface of the feeding chuck 21 is tightly attached to the action step 34.

In order to enable pushing of the pushing block 3 to be smooth, an avoidance groove 35 is further formed in the connecting end of the pushing block 3 and the elastic connecting portion 33 and matched with a clamp in the clamp bin 1, so that forward pushing is facilitated.

In order to limit the push block 3 in the clamping bin 1, both sides of the push block 3 are provided with limiting ribs 36, the limiting ribs 36 on both sides are contacted with the inner side wall 15 of the clamping bin 1, and the anti-falling notch 31 is formed in the limiting ribs 36 on one side. The anti-falling spring piece 12 is buckled into the anti-falling notch 31 to limit the push block 3.

As shown in fig. 6, a mounting groove 11 capable of accommodating the anti-falling elastic sheet 12 is formed in the bin wall at the head end of the clamping bin 1, one end of the anti-falling elastic sheet 12 is fixedly arranged in the mounting groove 11, a bending 13 facing the inside of the clamping bin 1 is arranged at the other end of the anti-falling elastic sheet, and the bending 13 is propped against the anti-falling notch 31. The buckling limiting effect of the anti-falling elastic sheet 12 with the bending 13 and the anti-falling notch 31 is better.

The clamping bin 1 comprises a bottom wall 14 and two side walls 15, is of an open box body structure, an anti-falling notch 31 is formed in any side wall 15, a guide piece 16 is arranged on the bottom wall 14 corresponding to the push clamping piece 22, and the push clamping piece 22 is arranged above the opening. The pushing piece 2 is arranged between the two side walls 15 in parallel, the pushing piece 2 can axially reciprocate along the two side walls 15, when the pushing piece 2 moves forwards, the feeding clamp head 21 is obliquely abutted against the first clamp from the side, the pushing clamp pieces 22 are obliquely abutted against the other clamps, and all the clamps simultaneously move forwards.

The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A clip applier pushing block, which comprises

The clip applier comprises a clip bin (1) and a pushing piece (2), wherein the pushing piece (2) is arranged in the clip bin (1), a feeding chuck (21) is arranged at the head end of the pushing piece (2), a pushing piece (22) is uniformly arranged on the pushing piece (2) corresponding to the clip interval, and

a push block (3),

the pushing block (3) is arranged at the tail end of the clamping bin (1), the pushing block (3) moves from the tail end of the clamping bin (1) to the head end of the clamping bin (1) through the pushing clamping piece (22),

the anti-falling elastic piece is characterized in that an anti-falling notch (31) is formed in the side edge of the pushing block (3), and an anti-falling elastic piece (12) which is buckled with the anti-falling notch (31) is arranged on the bin wall of the head end of the clamping bin (1).

2. The clip applier pushing block of claim 1, wherein: the anti-falling elastic piece is characterized in that an installation groove (11) capable of containing the anti-falling elastic piece (12) is formed in the bin wall of the head end of the clamping bin (1), one end of the anti-falling elastic piece (12) is fixedly arranged in the installation groove (11), a bending (13) facing the inside of the clamping bin (1) is arranged at the other end of the anti-falling elastic piece, and the bending (13) is propped against the inside of the anti-falling notch (31).

3. The clip applier pushing block of claim 1, wherein: the head end of the pushing block (3) is further provided with a conveying boss (32), the conveying boss (32) is higher than the pushing block (3), and the conveying boss (32) is matched with the pushing clamping piece (22).

4. The clip applier pushing block of claim 3, wherein: an elastic connecting part (33) is further arranged between the conveying boss (32) and the pushing block (3), and the elastic connecting part (33) is arc-shaped.

5. The clip applier pushing block of claim 4, wherein: the thickness of the elastic connection part (33) is larger than that of the pushing block (3), and an action step (34) matched with the feeding chuck (21) is formed between the tail end of the elastic connection part (33) and the pushing block (3).

6. The clip applier pushing block of claim 5, wherein: the connecting end of the pushing block (3) and the elastic connecting part (33) is also provided with an avoidance groove (35).

7. The clip applier pushing block of claim 1, wherein: limiting ribs (36) are arranged on two side edges of the push block (3), the limiting ribs (36) on the two side edges are in contact with the inner side wall (15) of the clamping bin (1), and the anti-falling notch (31) is formed in the limiting ribs (36) on one side of the anti-falling notch.

8. The clip applier pushing block of claim 1, wherein: the clamping bin (1) comprises a bottom wall (14) and two side walls (15), the anti-falling notch (31) is formed in any side wall (15), and the bottom wall (14) is provided with a guide piece (16) corresponding to the pushing clamping piece (22).

9. The clip applier pushing block of claim 8, wherein: the pushing plates (2) are arranged between the two side walls (15) in parallel, and the pushing plates (2) can axially reciprocate along the two side walls (15).

10. The clip applier pushing block of claim 1, wherein: the head end of the clamping bin (1) is also provided with a jaw (4) for opening and closing the clamping bin (1), and the jaw (4) is rotatably arranged at the head end of the clamping bin (1).