CN115607209A - Angle adjustment device for suturing needle holding assembly of disposable endoscopic suturing device - Google Patents

Abstract

The angle adjustment device of the suturing needle holding assembly of the disposable laparoscopic suturing device of the present invention relates to a medical device, especially the technical field of laparoscopic suturing devices. Suture instruments for urological surgery. Including joint head swing mechanism, joint connecting rod 1, joint connecting rod 2, operating rod, angle controller, rotating post and fixed handle; joint head swing mechanism includes steering sleeve, positioning pin 1, left joint head, roller, right joint head, positioning pin two and joint container; the joint container is provided with a joint container cavity and a joint container through hole; the roller is installed between the left joint head and the right joint head through the roller shaft, and one end of the joint connecting rod is connected to one of the The root roller shaft is movably connected, and the other end passes through the through hole of the joint container and is connected with the second joint connecting rod; one end of the steering sleeve is fixedly connected with the left joint head and the right joint head, and the other end is connected with the left cover plate of the suture needle holder assembly It is fixedly connected with the rear end of the right cover plate.

Description

Angle adjustment device for suturing needle holding assembly of disposable endoscopic suturing device

technical field

The angle adjustment device of the suturing needle holding assembly of the disposable laparoscopic suturing device of the present invention relates to a medical device, especially the technical field of laparoscopic suturing devices. Suture instruments for urological surgery.

Background technique

At present, in laparoscopic surgery, the laparoscopic ocular stapler with anastomotic needle is used for cutting and anastomosis. Recently, a surgical linear laparoscopic stapler is used to replace the needle and thread manual anastomosis in surgery, and it is being used in human respiratory tract. The anastomosis of organs and urogenital tubes and tissues, the operation of forming organ channels and the operation of closing incisions are especially suitable for the anastomosis of organs and tissues that are difficult to expose and operate, which can improve the quality of surgery.

However, the above-mentioned stapler is a reusable stapler, which is expensive to manufacture. It needs to be thoroughly sterilized every time an operation is performed. It cannot be disassembled during disinfection. There are difficulties in disinfection and incompleteness will cause cross-infection, and repeated use will cause wear and tear of the instrument, which will affect the instrument. Functional uncertainty, resulting in decreased surgical quality. Therefore, a disposable stapler is required to ensure the use status and sanitary conditions to ensure the success rate of the operation.

The structure of the current suture needle holding needle assembly angle adjusting device is not perfect enough, and the use is not convenient enough.

Contents of the invention

The purpose of the present invention is to address the above disadvantages and provide a device for adjusting the angle of the suturing needle holding assembly of a disposable endoscopic suturing device, which is used together with the disposable endoscopic suturing device and is suitable for abdominal, thoracic and urological surgical suturing instruments .

The angle adjustment device of the suture needle holding assembly of the disposable endoscopic suturing device is realized by adopting the following technical scheme: the angle adjustment device of the suture needle holding assembly of the disposable endoscopic suturing device includes a joint head swing mechanism, a joint connecting rod 1, Joint link two, operating rod, angle controller, rotating post and fixed handle.

The joint head swing mechanism includes a steering sleeve, a first positioning pin, a left joint head, a roller, a right joint head, a second positioning pin, and a joint container.

The joint container is provided with a joint container cavity and a joint container through hole.

There are two rollers, and the rollers are installed between the left joint head and the right joint head through the roller shaft. One end of the joint connecting rod is movably connected with one of the roller shafts, and the other end passes through the through hole of the joint container to connect with the joint joint. Two connecting rods are connected. The left joint head and the right joint head are respectively installed in the joint container cavity through the first positioning pin and the second positioning pin, and can swing in the joint container cavity.

One end of the steering sleeve is fixedly connected with the left joint head and the right joint head, and the other end is fixedly connected with the left cover plate and the right cover plate rear end of the suture needle holder assembly.

The joint connecting rod one front end is provided with a roller shaft connecting hole for flexible connection with the roller shaft, and the joint connecting rod one rear is provided with a joint connecting rod connecting hole for connecting the joint connecting rod two.

The front end of the joint connecting rod two is provided with a joint connecting rod connecting head, which is used for cooperating with the joint connecting rod connecting hole of the joint connecting rod one for pressing connection, and the rear end of the joint connecting rod two is provided with a corner connecting pin hole.

The operating rod is set outside the first joint connecting rod and the second joint connecting rod, the front end of the operating rod is fixedly connected to the rear end of the joint container, and the rear end of the operating rod is fixedly connected to the rotating post.

The angle controller is installed in the angle controller installation slot provided at the front end of the fixed handle.

The angle controller includes a corner turntable, an angle controller upper cover, a corner rotating shaft, an angle controller lower cover, and a corner connecting pin. A corner scale is provided on the outer peripheral surface of the corner turntable, an eccentric corner connecting pin hole is arranged on the corner turntable, and a corner rotating shaft fixing installation hole is arranged in the middle of the corner turntable. The angle controller upper cover and the angle controller lower cover are fixedly installed together through the angle rotating shaft. The angle turntable is installed and fixed on the upper end of the angle rotation shaft.

The rotating connecting rod is provided with an opening slot, and the joint connecting rod 2 passes through the operating rod and enters the opening of the rotating connecting rod. The corner connecting pin adopts L-shaped corner pin, and one end of the corner connecting pin is clamped in the corner connecting pin hole of the joint connecting rod two, and the other end is clamped in the eccentric corner connecting pin hole of the corner turntable.

The angle adjustment device of the suture needle holding assembly of the disposable endoscopic suturing device is used together with the disposable endoscopic suturing device. The upper and lower covers of the angle controller are rotated to drive the angle turntable to rotate through the angle rotating shaft, and then pull the joint connection through the angle connecting pin. Rod 2, joint connecting rod 1, and the left and right joint heads drive the suture needle holder assembly to swing back and forth through the steering sleeve, and the swing angle is ±45 degrees, which improves the adaptability of the stapler and can be aligned with the needs of patients. The location of the anastomosis improves the efficiency of the operation and facilitates the operation of the operation.

The angle adjustment device of the suture needle holding assembly of the disposable endoscopic suturing device is used together with the disposable endoscopic suturing device. , the angle controller, and the rotating post can easily rotate the upper and lower covers of the angle controller, drive the angle turntable to rotate through the angle rotating shaft, and then pull the joint connecting rod 2, joint connecting rod 1 and the left and right joint heads through the corner connecting pin, The needle-holding assembly of the suturing needle is driven to swing back and forth by the steering sleeve, and the swing angle is ±45 degrees, which is convenient for aligning the position of the anastomotic tissue required by the patient, improves the adaptability of the stapler, improves the operation efficiency, and facilitates the operation of the operation.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is a schematic diagram of the structure of the angle adjustment device of the suturing needle holding assembly of the disposable endoscopic suturing device.

Fig. 2 is a schematic diagram of the supporting use of the angle adjustment device of the suturing needle holding assembly of the disposable endoscopic suturing device and the disposable endoscopic suturing device.

In the figure: 1. Steering sleeve, 2. Locating pin 1, 3. Left joint head, 4. Roller, 5. Right joint head, 6. Locating pin 2, 7. Joint container, 8. Joint connecting rod 1, 9 , joint connecting rod two, 10, operating rod, 11, rotating connecting rod, 12, corner turntable, 13, angle controller upper cover, 14, corner rotating shaft, 15, angle controller lower cover, 16, corner connecting pin, 17 , suture needle holder assembly, 18, fixed handle;

7-1. Joint container cavity, 7-2. Joint container through hole, 8-1. Roller shaft connecting hole, 8-2. Joint connecting rod connecting hole; 9-1. Joint connecting rod connecting head, 9-2 , corner connecting pin hole; 11-1, open slot; 12-1, eccentric corner connecting pin hole, 12-2, corner scale, 12-3, corner shaft fixing mounting hole; 17-1, left cover plate, 17- 2. Right cover plate; 18-1. Angle controller installation slot.

detailed description

Referring to accompanying drawings 1-2, the suture needle holding assembly angle adjustment device of the disposable endoscopic suturing device includes the joint head swing mechanism, the joint connecting rod one 8, the joint connecting rod two 9, the operating rod 10, the angle controller, the rotating connecting rod 11 and fixed handle 18.

The joint head swing mechanism includes a steering sleeve 1, a positioning pin one 2, a left joint head 3, a roller 4, a right joint head 5, a positioning pin two 6, and a joint container 7.

The joint container 7 is provided with a joint container cavity 7-1 and a joint container through hole 7-2.

There are two rollers 4, the rollers 4 are installed between the left joint head 3 and the right joint head 5 through the roller shaft, the end of the joint link-1 is movably connected with one of the roller shafts, and the other end passes through the joint The container through hole 7-2 links to each other with the joint connecting rod two 9. The left joint head 3 and the right joint head 5 are respectively installed in the joint container cavity 7-1 through the first positioning pin 2 and the second positioning pin 6, and can swing in the joint container cavity 7-1.

One end of the steering sleeve 1 is fixedly connected with the left joint head 3 and the right joint head 5, and the other end is fixedly connected with the rear end of the left cover plate 17-1 and the right cover plate 17-2 of the suture needle holder assembly.

The front end of the joint connecting rod-8 is provided with a roller shaft connecting hole 8-1 for flexible connection with the roller shaft, and the rear of the joint connecting rod-8 is provided with a joint connecting rod connecting hole 8-2 for connecting joints. pole two 9.

The front end of the joint connecting rod two 9 is provided with a joint connecting rod connecting head 9-1, which is used to cooperate with the joint connecting rod connecting hole 8-2 of the joint connecting rod-8, and press the connection, and the rear end of the joint connecting rod two 9 Corner connecting pin holes 9-2 are provided.

The operating rod 10 is set outside the first joint connecting rod 8 and the second joint connecting rod 9 , the front end of the operating rod 10 is fixedly connected to the rear end of the joint container 7 , and the rear end of the operating rod 10 is fixedly connected to the rotating post 11 .

The angle controller is installed in the angle controller installation groove 18-1 that fixed handle 18 front ends are provided with.

The angle controller includes a corner turntable 12 , an angle controller upper cover 13 , a corner rotating shaft 14 , an angle controller lower cover 15 , and a corner connecting pin 16 . The outer peripheral surface of the corner turntable 12 is provided with a corner scale 12-2, an eccentric corner connecting pin hole 12-1 is arranged on the corner turntable 12, and a corner rotating shaft fixing mounting hole 12-3 is arranged in the middle of the corner turntable 12. The angle controller upper cover 13 and the angle controller lower cover 15 are fixedly installed together through the angle rotating shaft 14 . The angle turntable 12 is installed and fixed on the upper end of the angle rotating shaft 14 .

The rotating connecting rod 11 is provided with an opening slot 11-1, and the joint connecting rod 2 9 passes through the operating rod 10 and enters the opening slot 11-1 of the rotating connecting rod 11. Corner connecting pin 16 adopts L-shaped corner pin, and one end of corner connecting pin 16 is snapped in the corner connecting pin hole 9-2 of joint connecting rod two 9, and the other end is clipped in the eccentric corner connecting pin hole 12-1 of corner turntable 12 middle.

The suturing needle holding needle assembly angle adjustment device of the disposable endoscopic suturing device is used in conjunction with the disposable endoscopic suturing device, the upper cover of the angle controller and the lower cover of the angle controller are rotated, and the angle turntable 12 is driven by the angle rotating shaft 14 to rotate, and then passed Corner connecting pin 16 pulls joint connecting rod 2 10, joint connecting rod 1 9, left joint head 3, and right joint head 5, and the suture needle holder assembly 17 is driven to swing back and forth through steering sleeve 1, and the swing angle is ±45° It improves the adaptability of the stapler, aligns with the position of the anastomotic tissue required by the patient, improves the efficiency of the operation, and facilitates the operation of the operation.

Claims (5)

1. The angle adjustment device of the needle holding assembly of the disposable endoscopic suturing device, which is characterized in that it includes the joint head swing mechanism, joint connecting rod one, joint connecting rod two, operating rod, angle controller, rotating post and fixed handle; The joint head swing mechanism includes a steering sleeve, a positioning pin one, a left joint head, a roller, a right joint head, a positioning pin two and a joint container; The joint container is provided with a joint container cavity and a joint container through hole; There are two rollers, and the rollers are installed between the left joint head and the right joint head through the roller shaft. One end of the joint connecting rod is movably connected with one of the roller shafts, and the other end passes through the through hole of the joint container to connect with the joint joint. Two connecting rods are connected; The left joint head and the right joint head are respectively installed in the joint container cavity through the first positioning pin and the second positioning pin, and can swing in the joint container cavity; One end of the steering sleeve is fixedly connected with the left joint head and the right joint head, and the other end is fixedly connected with the rear end of the left cover plate and the right cover plate of the suture needle holder assembly; The operating rod is set outside the first joint connecting rod and the second joint connecting rod, the front end of the operating rod is fixedly connected to the rear end of the joint container, and the rear end of the operating rod is fixedly connected to the rotating post; The angle controller is installed in the angle controller installation slot provided at the front end of the fixed handle. 2. The device for adjusting the angle of the suturing needle holding assembly of the disposable endoscopic suturing device according to claim 1, wherein the angle controller includes a rotating angle turntable, an upper cover of the angle controller, a rotating angle rotating shaft, and an angle Controller lower cover and corner connection pins; The outer peripheral surface of the corner turntable is provided with a corner scale, an eccentric corner connecting pin hole is arranged on the corner turntable, and a corner shaft is fixedly installed in the middle of the corner turntable; the upper cover of the angle controller and the lower cover of the angle controller are fixedly installed together through the corner shaft , the corner turntable is installed and fixed on the upper end of the corner rotating shaft. 3. The device for adjusting the angle of the suturing needle holding assembly of the disposable endoscopic suturing device according to claim 1, wherein a front end of the joint connecting rod is provided with a roller shaft connection hole for connecting with the roller shaft. Movably connected, the joint connecting rod one rear part is provided with the joint connecting rod connecting hole for connecting the joint connecting rod two. 4. The device for adjusting the angle of the suturing needle holding assembly of the disposable endoscopic suturing device according to claim 1, characterized in that, the two front ends of the joint connecting rod are provided with connecting heads of the joint connecting rod for connecting with the joint The connection hole of the joint connection rod of the connection rod one is matched, and is pressed and connected, and the rear end of the joint connection rod two is provided with a corner connection pin hole. 5. The device for adjusting the angle of the suturing needle holding assembly of a disposable endoscopic suturing device according to claim 1, wherein the rotating connecting rod is provided with an opening groove, and the joint connecting rod 2 passes through the operating rod and enters the rotating connecting rod Opening; the corner connecting pin adopts an L-shaped corner pin, and one end of the corner connecting pin is clamped in the corner connecting pin hole of the joint connecting rod two, and the other end is clamped in the eccentric corner connecting pin hole of the corner turntable.

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