CN103494624A - Automatic purse string clamp - Google Patents

Abstract

Translated fromChinese

本发明提供的自动荷包钳，包括器身，还包括均与所述器身的中心轴连接的摆臂轴和凸轮、与所述摆臂轴连接的缝针、均安装在所述器身上的移动滑块和卡线滑块，所述移动滑块与所述器身滑动连接且能够使所述卡线滑块向下移动，所述卡线滑块设置有缝针孔，所述缝针孔的内侧设置有缝线套槽，所述自动荷包钳的缝线末端设置有缝线套，所述缝线套设置于所述缝线套槽内，所述缝针孔的上方设置有缺口。该自动荷包钳不使用缝钉，使缝线穿过组织来完成手术，避免了缝钉掉落的现象，使自动荷包钳可以安全可靠地完成手术。

The automatic purse pliers provided by the present invention include a body, and also include a swing arm shaft and a cam connected with the central axis of the body, a sewing needle connected with the swing arm shaft, and A moving slider and a thread clamping slider, the moving slider is slidably connected with the body and can make the thread clamping slider move downwards, the thread clamping slider is provided with a sewing needle hole, and the sewing needle The inner side of the hole is provided with a suture sleeve groove, the suture end of the automatic purse forceps is provided with a suture sleeve, the suture sleeve is arranged in the suture sleeve groove, and a gap is provided above the sewing needle hole . The automatic purse forceps does not use staples, and sutures are passed through the tissue to complete the operation, avoiding the phenomenon of staples falling, so that the automatic purse forceps can safely and reliably complete the operation.

Description

Automatic purse-string forceps

Technical field

The present invention relates to technical field of medical instruments, particularly a kind of automatic purse-string forceps.

Background technology

In medical science applied surgical operation, since 20th century invention sixties first staple series products, Medical stapler has become the requisite a kind of medical apparatus and instruments aided in edge of a knife sewing process.Along with development and the research and development of products of medical science, more and more multi-functional staple series products is applied to clinical.The scope of application has related to the every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, department of obstetrics and gynecology, becomes one of requisite instrument of doctor.Thereby for the patient have less hemorrhage, less operating time in art, with apparatus replace reducing due to error that craft causes by hand, avoid infection, postoperative function recovers the multiple advantage such as fast.

A kind of typical purse-string forceps automatically, first clamp tissue with jaw during operation, then locks notch, and clamped and some tissue of tissue meeting nature is clamp-oned in the notch space.Staple is pressed suture organizationally simultaneously, now unclamps notch, lifts apparatus, and the track that suture can be followed closely out along staple proposes a segment length with apparatus, then plays pocket.The operative site that this apparatus is limited to for positions such as rectum resection or esophagus excisions, have very large shortcoming: at first suture can only lift along the organ-tissue cross section, this just requires that suitable working place must be arranged, otherwise being easy to oblique loading breaks away from staple and tissue, cause beating the pocket failure, may cause staple to fall in human body, because of position limitation and staple very little, be not easy to find the staple dropped, finally may cause staple to be stayed in body, to patient, may cause life to threaten, the safety of purse-string forceps is unreliable automatically.

Therefore, how making automatic purse-string forceps complete more safely and reliably operation, is the current technical issues that need to address of those skilled in the art.

Summary of the invention

The purpose of this invention is to provide a kind of automatic purse-string forceps, this automatic purse-string forceps can complete operation more safely and reliably.

To achieve these goals, the invention provides a kind of automatic purse-string forceps, comprise the device body, also comprise the arm shaft and the cam that all are connected with the central shaft of described device body, the suture needle be connected with described arm shaft, be installed in described device moving slider with it and card line slide block, described moving slider and described device body are slidably connected and can make described card line slide block move down, described card line slide block is provided with the suture needle hole, the inboard in described suture needle hole is provided with the suture grooving, the suture end of described automatic purse-string forceps is provided with the suture cover, described suture cover is arranged in described suture grooving, the top in described suture needle hole is provided with breach.

Preferably, described moving slider Jin center axle head is provided with the inclined-plane towards described cam lobe direction.

Preferably, described moving slider Jin center axle head be shaped as circular-arc.

Preferably, the sliding end of described card line slide block be shaped as circular-arc.

Preferably, described moving slider Yuan center axle head is provided with the inclined-plane towards described card line slide block.

Preferably, the sliding end of described card line slide block is provided with the inclined-plane towards described moving slider.

Preferably, described suture tackling is flexible.

Preferably, described suture grooving has elasticity.

Preferably, described suture needle is threaded with described arm shaft.

Preferably, described suture needle is welded on described arm shaft.

Automatic purse-string forceps provided by the invention, comprise the device body, also comprise the arm shaft and the cam that all are connected with the central shaft of described device body, the suture needle be connected with described arm shaft, be installed in described device moving slider with it and card line slide block, described moving slider and described device body are slidably connected and can make described card line slide block move down, described card line slide block is provided with the suture needle hole, the inboard in described suture needle hole is provided with the suture grooving, the suture end of described automatic purse-string forceps is provided with the suture cover, described suture cover is arranged in described suture grooving, the top in described suture needle hole is provided with breach.

When work, first tissue is placed on to suture needle place, the handle of rot body, central shaft drives arm shaft and cam rotates, arm shaft drives suture needle through tissue, the needle point of suture needle is by the suture needle hole, the bossing of cam and moving slider collision, promote moving slider radially away from central shaft, thereby moving slider push card line slide block, move downward card line slide block, because the top in suture needle hole is provided with breach, so the needle point of suture needle can catch on the suture cover of suture hole gap portions, rotation stops putting in place.

Then counter-rotation device body handle, because the needle point of suture needle has caught on the suture cover, get back to original state so suture needle can drive suture through tissue, then carries out next step operation.

Known by foregoing description, with respect to background technology, this automatic purse-string forceps is not used staple, makes suture pass tissue and completes operation, and the phenomenon of having avoided staple to drop, make automatic purse-string forceps can complete safely and reliably operation.

The accompanying drawing explanation

The schematic diagram of the automatic purse-string forceps that Fig. 1 provides for the embodiment of the present invention;

The A place partial enlarged drawing that Fig. 2 is the automatic purse-string forceps shown in Fig. 1;

The structural representation that Fig. 3 is the automatic purse-string forceps original state shown in Fig. 1;

Fig. 4 be shown in Fig. 1 the structural representation of automatic purse-string forceps done state;

The partial enlarged drawing that Fig. 5 is the automatic purse-string forceps B place shown in Fig. 4;

The explosive view of the sutured portion that Fig. 6 is the automatic purse-string forceps shown in Fig. 4.

The specific embodiment

Core of the present invention is to provide a kind of automatic purse-string forceps, and this automatic purse-string forceps can complete operation more safely and reliably.

In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

Please refer to Fig. 1-Fig. 6, in a kind of specific embodiment, automatic purse-string forceps provided by the invention, comprise the device body, also comprise the arm shaft and thecam 1 that all are connected with thecentral shaft 6 of described device body, thesuture needle 4 be connected with described arm shaft, be installed in describeddevice moving slider 2 and cardline slide block 3 with it, described movingslider 2 is slidably connected and can makes described cardline slide block 3 move down with described device body, described cardline slide block 3 is provided withsuture needle hole 31, the inboard in describedsuture needle hole 31 is provided with the suture grooving, the suture end of described automatic purse-string forceps is provided withsuture cover 32, describedsuture cover 32 is arranged in described suture grooving, the top in describedsuture needle hole 31 is provided with breach.

When work, the original state of automatic purse-string forceps, be Fig. 3, first tissue is placed on to sutureneedle 4 places, the handle of rot body,central shaft 6 drives arm shaft andcam 1 rotates, arm shaftdrives suture needle 4 through tissue, the needle point ofsuture needle 4 is bysuture needle hole 31, the bossing ofcam 1 and movingslider 2 collisions, promote movingslider 2 radially away fromcentral shaft 6, thereby movingslider 2 push cardline slide blocks 3, cardline slide block 3 is moved downward, because the top insuture needle hole 31 is provided with breach, so the needle point ofsuture needle 4 can catch on thesuture cover 32 of suture hole gap portions, rotation stops putting in place, it is the done state of the described purse-string forceps of Fig. 4.Then counter-rotation device body handle, because the needle point ofsuture needle 4 has caught onsuture cover 32, get back to original state sosuture needle 4 can drive suture through tissue, then carries out next step operation.This automatic purse-string forceps is not used staple, makes suture pass tissue and completes operation, and the phenomenon of having avoided staple to drop, make automatic purse-string forceps can complete safely and reliably operation.The shape of movingslider 2 Jin center axle heads can be for circular-arc, and the shape of movingslider 2 Yuan center axle heads can be for circular-arc, and the sliding end of cardline slide block 3 is provided with the inclined-plane towards movingslider 2.

In addition, movingslider 2 Jin center axle heads are provided with the inclined-plane towardscam 1 protrusion direction.Can make like this rotary course ofcam 1 more smooth, make the more convenient operation, laborsaving of automatic purse-string forceps.

In addition, the sliding end of cardline slide block 3 be shaped as circular-arc.Make the relatively move motion ofslide block 2 of cardline slide block 3 more smooth and easy, laborsaving.

Further, movingslider 2 Yuan center axle heads are provided with the inclined-plane towards card line slide block 3.The inclined-plane of movingslider 2 arranges and can make movingslider 2 easier will blockline slide block 3 to move down.

Further,suture cover 32 has elasticity, can so thatsuture cover 32 be arranged in the suture grooving.

Preferably, the suture grooving has elasticity, and thesuture cover 32 of being more convenient for is arranged in the suture grooving.

More preferably, describedsuture needle 4 is threaded with described armshaft.Suture needle 4 is threaded with described arm shaft and is convenient to install, andsuture needle 4 is reliable with the bonding strength of described arm shaft, has guaranteed the reliable of operation.In addition,suture needle 4 also can be welded on arm shaft.

Above automatic purse-string forceps provided by the present invention is described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment, just for helping to understand method of the present invention and core concept thereof, is not limiting the scope of the present invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.

Claims (10)

1. automatic purse-string forceps, comprise the device body, it is characterized in that, also comprise the arm shaft and the cam (1) that all are connected with the central shaft (6) of described device body, the suture needle (4) be connected with described arm shaft, be installed in described device moving slider (2) and card line slide block (3) with it, described moving slider (2) is slidably connected and can makes described card line slide block (3) move down with described device body, described card line slide block (3) is provided with suture needle hole (31), the inboard in described suture needle hole (31) is provided with the suture grooving, the suture of described automatic purse-string forceps (5) end is provided with suture cover (32), described suture cover (32) is arranged in described suture grooving, the top in described suture needle hole (31) is provided with breach, being shaped as of the needle point of described suture needle (4) is hook-shaped.

2. automatic purse-string forceps according to claim 1, described moving slider (2) Jin center axle head is provided with the inclined-plane towards described cam lobe direction.

3. automatic purse-string forceps according to claim 1, being shaped as of described moving slider (2) Jin center axle head is circular-arc.

4. automatic purse-string forceps according to claim 1, being shaped as of the sliding end of described card line slide block (3) is circular-arc.

5. automatic purse-string forceps according to claim 1, described moving slider (2) Yuan center axle head is provided with the inclined-plane towards described card line slide block (3).

6. automatic purse-string forceps according to claim 5, the sliding end of described card line slide block (3) is provided with the inclined-plane towards described moving slider (2).

7. automatic purse-string forceps according to claim 1, is characterized in that, described suture cover (32) has elasticity.

8. automatic purse-string forceps according to claim 1, is characterized in that, described suture grooving has elasticity.

9. automatic purse-string forceps according to claim 1, is characterized in that, described suture needle (4) is threaded with described arm shaft.

10. according to the described automatic purse-string forceps of claim 1-9 any one, it is characterized in that, described suture needle (4) is welded on described arm shaft.

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