阅读说明：本技术 一种简易版弹力线套扎吻合器 (Simple elastic thread ligation anastomat ) 是由 肖军 熊军 周慧敏 于 2021-09-29 设计创作，主要内容包括：本申请属于套扎手术专用医疗器辅助工具术领域,尤其涉及一种简易版弹力线套扎吻合器。包括枪壳、吸附管、拉杆、锁紧件、开关件；枪壳包括枪管；锁紧件的前端可摆动地连接在枪壳上,开关件可滑动地设置在枪壳上,开关件的前侧设置有挂钩部；开关件与拉杆活动连接,开关件可相对于拉杆沿前后方向在有限距离内移动。本申请的简易版弹力线套扎吻合器相较于现有产品,更加简洁紧凑,零部件更少,结构更稳定,不易损坏；本产品使用时,每次套扎时需要耗费的一次性结构更少,产品的制造和医疗耗材的成本更低,更便于推广应用,节省材料,减少医疗废弃物。(The application belongs to the technical field of auxiliary tools of medical devices special for ligation operations, and particularly relates to a simple elastic thread ligation anastomat. Comprises a gun shell, an adsorption tube, a pull rod, a locking piece and a switch piece; the gun housing comprises a gun barrel; the front end of the locking piece is connected to the gun shell in a swinging manner, the switch piece is arranged on the gun shell in a sliding manner, and the front side of the switch piece is provided with a hook part; the switch member is movably connected with the pull rod, and the switch member can move in a limited distance along the front-back direction relative to the pull rod. Compared with the existing product, the simple elastic thread ligation anastomat is simpler and more compact, has fewer parts, is more stable in structure and is not easy to damage; when the product is used, the disposable structure which needs to be consumed during ligation is less, the cost of the manufacturing and medical consumables of the product is lower, the popularization and the application are more convenient, the material is saved, and the medical waste is reduced.)

1. A simple elastic thread ligation anastomat is characterized by comprising a gun shell (1), an adsorption tube (2), a pull rod (3), a locking piece (4) and a switch piece (5);

the gun shell (1) comprises a gun barrel (10), and the adsorption tube (2) is slidably arranged in the gun barrel (10);

a pressure receiving part (20a) is arranged on the outer side of the adsorption tube (2), and a pressure receiving surface is arranged on the rear side of the pressure receiving part (20 a);

the pull rod (3) is slidably arranged in the gun barrel (10), the rear end of the pull rod (3) is provided with a pressing part (30a), the front side of the pressing part (30a) is provided with a pressing surface, and when the pull rod (3) slides forwards to a limit position, the pressing surface abuts against the pressed surface and the adsorption tube (2) moves forwards;

a limiting surface (3a) is arranged on the pull rod (3), and the limiting surface (3a) faces backwards;

the front end of the locking piece (4) is connected to the gun shell (1) in a swinging mode, the rear end of the locking piece (4) extends backwards and forms a V-shaped control arm (4a) at the tail part, and two arms of the V-shaped control arm (4a) extend out towards the front side and the rear side in an inclined mode respectively; when the pull rod (3) moves forwards to the limit position, the front arm of the V-shaped control arm (4a) can abut against the limit surface (3a) to lock the pull rod (3);

the switch piece (5) is slidably arranged on the gun shell (1), and a hook part (5a) is arranged on the front side of the switch piece (5); the switch piece (5) is movably connected with the pull rod (3), and the switch piece (5) can move in a limited distance relative to the pull rod (3) along the front-back direction.

2. The simple elastic thread ligation anastomat according to claim 1,

within the limited distance, when the switch piece (5) moves forwards to the limit position, the hook part (5a) is buckled on the rear arm of the V-shaped control arm (4 a); when the switch member (5) moves backwards to the limit position, the switch member (5) can prop against the pull rod (3); when the switch piece (5) moves from front to back, the hook part (5a) can extrude the rear arm of the V-shaped control arm (4a) to enable the front arm of the V-shaped control arm (4a) to be separated from the limiting surface (3 a);

outside the limited distance, the pull rod (3) can be driven to move backwards when the switch piece (5) is pushed backwards continuously.

3. A simple version elastic thread ligation anastomat according to claim 1, characterized in that the front end of the barrel (10) is provided with a pressing ring (11);

the adsorption tube (2) comprises a tube body (20) and an adsorption cover (21) positioned at the front end of the tube body (20), and the adsorption cover (21) is communicated with the tube body (20); the adsorption cover (21) passes through the extrusion ring (11) and then extends out of the front end of the gun barrel (1);

the outer side of the adsorption tube (2) is provided with a spring connecting portion (20b), a compression spring (28) is connected between the spring connecting portion (20a) and the inner side wall surface of the gun barrel, and the compression spring (28) enables the adsorption tube (2) to have a backward moving trend.

4. The simple elastic thread ligation anastomat according to claim 1, further comprising an upper ring assembly, wherein the upper ring assembly comprises: a connecting piece (6), a coil supporting piece (7) and a connecting rod (8);

the coil support (7) comprises a coil support section (70) and a connecting section (71) positioned at the rear end of the coil support section (70), and the connecting section can be inserted into the front end opening of the adsorption tube (2); the outer surface of the coil supporting section (70) is a cylindrical surface, and the diameter of the coil supporting section is not smaller than the outer diameter of the adsorption tube (2);

the connecting piece (6) comprises a sleeve part (60) and a connecting arm (61), the coil supporting section (70) is slidably sleeved inside the sleeve part (60), and the connecting arm (61) is connected with the sleeve part (60) and extends backwards;

the connecting arm (61) is provided with a connecting groove (61a), the front end of the connecting rod (8) is detachably installed in the connecting groove (61a), and the rear end of the connecting rod (8) is detachably connected with the pull rod (3).

5. The simple elastic thread ligation stapler according to claim 4, wherein the coil support section (70) and the connection section (71) are of a coaxial tube structure.

6. The simple elastic thread ligation anastomat according to claim 4, further comprising an elastic thread coil (9), wherein the elastic thread coil (9) comprises a loop (90) sleeved outside the coil supporting section (70) and a pull thread (91) used for controlling the loop (90) to tighten;

a fixing groove is formed in the side face of the front end of the connecting rod (8), and the rear end of the pull wire (91) is clamped in the fixing groove;

the rear end of the sleeve portion (60) forms an annular coil pressing surface, and the ferrule (90) is pushed to move backward when the connecting member (6) moves backward.

7. The simple elastic thread ligation anastomat according to claim 6, wherein pressing handles (62) are arranged on two sides of the sleeve portion (60).

Technical Field

The application belongs to the technical field of auxiliary tools of medical devices special for ligation operations, and particularly relates to a simple elastic thread ligation anastomat.

Background

In order to improve the efficiency and the treatment effect of the ligation operation, the inventor provides a plurality of special ligators according to the actual requirements of medical workers and patients, and the elastic coil is quickly and accurately ligated in the affected area by utilizing the matching action of adsorption equipment and the elastic coil so as to complete the operation.

In order to ensure the safety and sanitation of the operation, the ligation device adopts a split structure, wherein the part contacted by medical care control is repeatedly used, the coil and other remaining operation auxiliary structures are disposable, and in the ligation devices, the structures such as a gun barrel with a longer front end, an adsorption tube and the like need to be assembled with the coil in advance due to the structural design, so that the ligation device also adopts a disposable design, and the ligation device is convenient and practical, but also can cause the increase of material cost.

Disclosure of Invention

The utility model provides an aim at, based on the basic structure form of current ligation anastomat, improve the upgrading through reduction and integrated design, provide a structure more succinct easy-to-use, manufacturing cost is lower, and the simple and easy version elastic line ligation anastomat that disposable consumptive material consumption still less.

In order to achieve the purpose, the following technical scheme is adopted in the application.

A simple elastic thread ligation anastomat comprises a gun shell 1, an adsorption tube 2, a pull rod 3, a locking piece 4 and a switch piece 5;

the gun shell 1 comprises a gun barrel 10, and the adsorption tube 2 is slidably arranged in the gun barrel 10;

a pressure receiving part 20a is arranged outside the adsorption tube 2, and a pressure receiving surface is arranged on the rear side of the pressure receiving part 20 a;

the pull rod 3 is slidably arranged in the gun barrel 10, the rear end of the pull rod 3 is provided with a pressing part 30a, the front side of the pressing part 30a is provided with a pressing surface, and when the pull rod 3 slides forwards to a limit position, the pressing surface abuts against a pressed surface and the adsorption tube 2 moves forwards;

the pull rod 3 is provided with a limiting surface 3a, and the limiting surface 3a faces backwards;

the front end of the locking piece 4 is connected to the gun shell 1 in a swinging mode, the rear end of the locking piece 4 extends backwards and forms a V-shaped control arm 4a at the tail part, and two arms of the V-shaped control arm 4a extend out towards the front side and the rear side in an inclined mode respectively; when the pull rod 3 moves forwards to the limit position, the front arm of the V-shaped control arm 4a can prop against the limit surface 3a to lock the pull rod 3;

the switch piece 5 is slidably arranged on the gun shell 1, and a hook part 5a is arranged on the front side of the switch piece 5; the switch member 5 is movably connected to the pull rod 3, and the switch member 5 is movable in a limited distance in the front-rear direction with respect to the pull rod 3.

A further improvement or preferred embodiment of the simple elastic thread ligation stapler described above,

within said limited distance, when the switch 5 is moved forward to the extreme position, the hook 5a is buckled on the rear arm of the V-shaped control arm 4 a; when the switch member 5 is moved back to the extreme position, the switch member 5 can abut against the pull rod 3; when the switch piece 5 moves from front to back, the hook part 5a can press the rear arm of the V-shaped control arm 4a, so that the front arm of the V-shaped control arm 4a is separated from the limiting surface 3 a;

beyond said limited distance, the pull rod 3 is driven to move backwards when the switch piece 5 is pushed backwards continuously.

In a further improvement or preferred embodiment of the simple elastic thread ligation anastomat, the front end of the gun tube 10 is provided with a pressing ring 11;

the adsorption tube 2 comprises a tube body 20 and an adsorption cover 21 positioned at the front end of the tube body 20, and the adsorption cover 21 is communicated with the tube body 20; the adsorption cover 21 extends out of the front end of the gun barrel 1 after passing through the extrusion ring 11;

the outer side of the adsorption tube 2 is provided with a spring connecting part 20b, a compression spring 28 is connected between the spring connecting part 20a and the inner side wall surface of the gun barrel, and the compression spring 28 makes the adsorption tube 2 have a tendency of moving backwards.

A further improvement or preferred embodiment of the simple elastic thread ligation stapler further comprises an upper ring assembly, wherein the upper ring assembly comprises: a connecting piece 6, a coil support 7, a connecting rod 8;

the coil support 7 comprises a coil support section 70 and a connecting section 71 at the rear end of the coil support section 70, and the connecting section can be inserted into the front end opening of the adsorption tube 2; the outer surface of the coil supporting section 70 is a cylindrical surface, and the diameter of the coil supporting section is not less than the outer diameter of the adsorption tube 2;

the connecting member 6 comprises a sleeve portion 60 and a connecting arm 61, the coil support section 70 is slidably sleeved inside the sleeve portion 60, and the connecting arm 61 is connected with the sleeve portion 60 and extends backwards;

the connecting arm 61 is provided with a connecting groove 61a, the front end of the connecting rod 8 is detachably mounted in the connecting groove 61a, and the rear end of the connecting rod 8 is detachably connected with the pull rod 3.

In a further improvement or preferred embodiment of the simple elastic thread ligation stapler, the coil supporting section 70 and the connecting section 71 are of a coaxial tube structure.

A further improvement or preferred embodiment of the simple elastic thread ligation anastomat further comprises an elastic coil 9, wherein the elastic coil 9 comprises a ferrule 90 sleeved outside the coil supporting section 70 and a pull wire 91 used for controlling the ferrule 90 to tighten;

a fixing groove is formed in the side face of the front end of the connecting rod 8, and the rear end of the pull wire 91 is clamped in the fixing groove;

the rear end of the sleeve portion 60 forms an annular coil pressing surface, and the ferrule 90 is pushed to move rearward when the connecting member 6 moves rearward.

In a further improvement or preferred embodiment of the simple elastic thread ligation stapler, pressing handles 62 are disposed on both sides of the sleeve portion 60.

The beneficial effects are that:

compared with the existing product, the simple elastic thread ligation anastomat is simpler and more compact, has fewer parts, is more stable in structure and is not easy to damage;

when the product is used, the disposable structure which needs to be consumed during ligation is less, the cost of the manufacturing and medical consumables of the product is lower, the popularization and the application are more convenient, the material is saved, and the medical waste is reduced.

Drawings

FIG. 1 is a first schematic structural view of a simple elastic thread ligation stapler;

FIG. 2 is a cross-sectional view of a simple version of an elastic thread ligation stapler;

FIG. 3 is a second schematic structural view of a simple elastic thread ligation stapler;

FIG. 4 is a schematic diagram of the internal components of a simple version of the elastic thread ligation stapler;

FIG. 5 is a schematic view of the structure of the tie rod;

FIG. 6 is a schematic view of the retaining member;

FIG. 7 is a schematic structural view of the upper ring assembly;

FIG. 8 is a schematic view of the structure of the connector;

wherein the reference numerals include:

the gun comprises a gun shell 1, a gun barrel 10, an adsorption tube 2, a pressed part 20a, a pull rod 3, a limiting surface 3a, an extrusion part 30a, a locking part 4, a V-shaped control arm 4a, a switch part 5, a hook part 5a, a connecting part 6, a sleeve part 60, a connecting arm 61, a connecting groove 61a, a pressing handle 62, a coil supporting part 7, a coil supporting section 70, a connecting section 71, a connecting rod 8, an elastic coil 9, a coil 90 and a pull wire 91.

Detailed Description

The present application will be described in detail with reference to specific examples.

A simple elastic thread ligation anastomat comprises a gun shell 1, an adsorption tube 2, a pull rod 3, a locking piece 4 and a switch piece 5;

the gun shell 1 comprises a gun barrel 10, and the adsorption tube 2 is slidably arranged in the gun barrel 10;

a pressure receiving part 20a is arranged outside the adsorption tube 2, and a pressure receiving surface is arranged on the rear side of the pressure receiving part 20 a;

the pull rod 3 is slidably arranged in the gun barrel 10, the rear end of the pull rod 3 is provided with a pressing part 30a, the front side of the pressing part 30a is provided with a pressing surface, and when the pull rod 3 slides forwards to a limit position, the pressing surface abuts against a pressed surface and the adsorption tube 2 moves forwards;

the pull rod 3 is provided with a limiting surface 3a, and the limiting surface 3a faces backwards;

the front end of the locking piece 4 is connected to the gun shell 1 in a swinging mode, the rear end of the locking piece 4 extends backwards and forms a V-shaped control arm 4a at the tail part, and two arms of the V-shaped control arm 4a extend out towards the front side and the rear side in an inclined mode respectively; when the pull rod 3 moves forwards to the limit position, the front arm of the V-shaped control arm 4a can prop against the limit surface 3a to lock the pull rod 3;

the switch piece 5 is slidably arranged on the gun shell 1, and a hook part 5a is arranged on the front side of the switch piece 5; the switch member 5 is movably connected to the pull rod 3, and the switch member 5 is movable in a limited distance in the front-rear direction with respect to the pull rod 3.

Specifically, within a limited distance, when the switch member 5 is moved forward to the limit position, the hook portion 5a is caught on the rear arm of the V-shaped control arm 4 a; when the switch member 5 is moved back to the extreme position, the switch member 5 can abut against the pull rod 3; when the switch piece 5 moves from front to back, the hook part 5a can press the rear arm of the V-shaped control arm 4a, so that the front arm of the V-shaped control arm 4a is separated from the limiting surface 3 a;

beyond a limited distance, the pull rod 3 can be driven to move backwards when the switch piece 5 is pushed backwards continuously.

Wherein, the front end of the gun barrel 10 is provided with a pressing ring 11; the adsorption tube 2 comprises a tube body 20 and an adsorption cover 21 positioned at the front end of the tube body 20, and the adsorption cover 21 is communicated with the tube body 20; the adsorption cover 21 extends out of the front end of the gun barrel 1 after passing through the extrusion ring 11;

the outer side of the adsorption tube 2 is provided with a spring connecting part 20b, a compression spring 28 is connected between the spring connecting part 20a and the inner side wall surface of the gun barrel, and the compression spring 28 makes the adsorption tube 2 have a tendency to move backwards.

In the process of a ligation operation, a plurality of ligation operations are often required, a plurality of coils are used, and in order to replace an elastic coil, an upper ring assembly is further provided in the application, as shown in fig. 7 and 8, the upper ring assembly comprises: a connecting piece 6, a coil support 7, a connecting rod 8;

the coil support 7 comprises a coil support section 70 and a connection section 71 at the rear end of the coil support section 70, the connection section can be inserted into the front end opening of the adsorption tube 2; the outer surface of the coil supporting section 70 is a cylindrical surface, and the diameter of the coil supporting section is not less than the outer diameter of the adsorption tube 2;

wherein, coil support section 70 and linkage segment 71 mainly used support and connect, for convenient to use, reduce the manufacturing cost of ligation device, in this embodiment, coil support section 70 and linkage segment 71 adopt coaxial section of thick bamboo structural style, both convenient to use, have can simplify the structure, and the quality is more light.

The connecting member 6 includes a sleeve portion 60 and a connecting arm 61, the coil support section 70 is slidably fitted inside the sleeve portion 60, and the connecting arm 61 is connected to the sleeve portion 60 and extends rearward;

the connecting arm 61 is provided with a connecting groove 61a, the front end of the connecting rod 8 is detachably mounted in the connecting groove 61a, and the rear end of the connecting rod 8 is detachably connected with the pull rod 3.

The coil support section 70 is characterized by further comprising an elastic coil 9, wherein the elastic coil 9 comprises a ferrule 90 sleeved outside the coil support section 70 and a pull wire 91 used for controlling the ferrule 90 to be tightened;

the side face of the front end of the connecting rod 8 is provided with a fixing groove, and the rear end of the stay wire 91 is clamped in the fixing groove;

the rear end of the sleeve portion 60 forms an annular coil pressing surface which pushes the ferrule 90 to move rearward when the connecting member 6 moves rearward.

Before the ligation operation, the elastic coil is required to be pressed by the sleeve portion to be transferred from the coil support 7 to the front end of the suction tube, and for convenience of operation, pressing handles 62 are provided on both sides of the sleeve portion 60, so that the pressing handles can be used for pressing operation during operation, thereby improving efficiency.

As shown in fig. 1, in actual use, the elastic coil can be quickly installed on the ligation device by using the upper ring assembly, in order to ensure the cleanness of the elastic coil, the upper ring device adopts a one-time design, and during production, the elastic coil 9 is sleeved on the coil support member 7 in an aseptic environment according to the mode shown in fig. 7, and the end part of the stay wire 91 is clamped at the front end of the connecting rod;

before the ligation operation, the connecting section 71 is clamped into an opening at the front end of the adsorption tube (in the adsorption cover 21) to enable the upper ring device with the elastic coil 9 to be in butt joint with the ligation device, after the butt joint is completed, the connecting piece 6 is pushed to move backwards, the elastic coil 9 is extruded by the connecting piece 6 to be transferred onto the adsorption tube from the coil support piece 7, and meanwhile, the rear end of the connecting rod 8 is in butt joint with the front end of the pull rod 3; then the connecting piece 6 and the coil supporting piece 7 are taken down, so that the elastic coil 9 and the connecting rod 8 are kept on the ligation device, and the quick replacement of the elastic coil is completed;

during the ligation operation, the adsorption tube 2 adsorbs the tissues of the affected area, the pull rod 3 is utilized to drive the adsorption tube 2 to move towards the rear side of the shell 1, the extrusion ring 11 extrudes the elastic coil 9 to move forwards to the outer side of the tissues of the affected area, the pull rod 3 is continuously pulled to pull the connecting rod 8 to tighten the elastic coil 9, and finally the ligation is completed.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.