CN219306804U

CN219306804U - Anastomat with detachable chuck

Info

Publication number: CN219306804U
Application number: CN202223268115.8U
Authority: CN
Inventors: 梁虎; 焦强; 吴春雪; 闫东明; 刘学
Original assignee: Henan Likeda Medical Supplies Technology Co ltd
Current assignee: Henan Likeda Medical Supplies Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-07-07
Anticipated expiration: 2032-12-07

Abstract

The utility model provides a anastomat with a detachable chuck, which comprises a handle, a movable joint, a connecting rod for connecting the handle and the movable joint, wherein driving parts for driving suture needles to rotate are arranged in the handle and the movable joint, the movable joint comprises a lower cover plate and an upper cover plate, part of driving parts positioned in the movable joint are arranged on the lower cover plate, an arc-shaped track matched with the driving parts is arranged on the chuck, the suture needles are arranged on the arc-shaped track, the front end of the chuck is clamped on the lower cover plate, and the rear end of the chuck is clamped on the upper cover plate. The whole chuck is convenient to take down for disinfection after the operation, and the disinfected chuck is also convenient to be installed on the movable joint before the operation, so that the operation is clean and sanitary, the risk of infection is reduced, the disassembly is convenient, and the operation efficiency is improved.

Description

Anastomat with detachable chuck

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a chuck-detachable anastomat.

Background

With the increasing maturity of minimally invasive surgery, the endoscopic surgery has the advantages of small wound, quick recovery and the like, and becomes the first choice for doctors in surgery, and an anastomat is a medical instrument for replacing traditional manual suturing in surgery. The stitching instrument comprises a handle, a movable joint, a connecting rod for connecting the handle and the movable joint, wherein the end part of the movable joint is provided with an arc-shaped track for placing a stitching needle, the stitching needle is placed on the arc-shaped track, and the stitching needle is driven to rotate in the arc-shaped track through a transmission device in the handle and the movable joint to pass through human tissues to be stitched for stitching.

In the existing anastomat, the arc-shaped track is fixedly arranged at the end part of the movable joint, and the suture needle is disinfected or a new suture needle is arranged before starting suture, but the effect of completely disinfecting the suture needle is not achieved, because the suture needle performs rotary motion in the arc-shaped track, whether the arc-shaped track is completely disinfected also affects the overall disinfection effect.

The existing anastomat has higher difficulty in installing the suture needle, and firstly, the volume of the suture needle is smaller; secondly, because the suture needle is to be placed at a preset position in the arc-shaped track, the suture needle cannot deviate, otherwise, the transmission device is influenced to drive the suture needle, and no suture is realized; thirdly, still have the roof through spring coupling on the movable joint, the roof is located arc track and suture needle top, and limit suture needle position together with the arc track, and when installing or dismantling the suture needle, need on one side compression spring let the roof stagger suture needle top position, install or dismantle the suture needle, still need fix the anastomat, avoid the anastomat to rock, it is very inconvenient to install or dismantle the suture needle, influences operation efficiency.

Disclosure of Invention

In view of the above, the utility model aims to overcome the defects in the prior art, and provides a anastomat with a detachable chuck, which improves the disinfection effect and the operation efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chuck detachable anastomat, the anastomat includes handle, movable joint, connects the connecting rod of handle and movable joint, is provided with the driving piece that drives the sewing needle gyration in handle and the movable joint, and movable joint includes lower apron and upper cover plate, and the partial driving piece that is located movable joint sets up on lower apron, and the chuck is provided with the arc track that matches with driving piece, has placed the sewing needle on the arc track, chuck front end joint on lower apron, chuck rear end joint on upper cover plate.

Further, the bayonet is arranged at the front end of the lower cover plate, the front end of the chuck is provided with a protrusion matched with the bayonet, and the front end of the lower cover plate is clamped with the front end of the chuck through the bayonet and the protrusion.

Further, the inside slide that is provided with of chuck rear end, the inside slide that also is provided with of upper cover plate, chuck inner slide and upper cover plate inner slide link up, upper cover plate slide in-connection has the spring, spring coupling has release switch, release switch is the slider of sliding setting in the slide, release switch connects the one end top of spring and is connected with the sand grip, the chuck is offered with upper cover plate junction and is supplied the sand grip to wear out gliding slot hole, under the spring normal condition, release switch part is located the chuck, part is located the upper cover plate, chuck and upper cover plate pass through slide and slider joint, when slide messenger release switch is separated from chuck inner slide to the upper cover plate side with release switch slip.

Further, the two ends of the arc-shaped track are respectively provided with a backstop step, and the two backstop steps are respectively clamped at the tail part of the suture needle after the suture needle rotates for half a circle and one circle, so that the suture needle is prevented from retreating.

Compared with the prior art, the anastomat with the detachable chuck has the following beneficial effects:

Drawings

The present utility model will be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a chuck-detachable stapler provided by the utility model;

FIG. 2 is a schematic view of the structure of the lower cover plate in the movable joint;

FIG. 3 is a schematic view of a chuck and upper cover plate clamping structure in a movable joint;

fig. 4 is a cross-sectional view of the chuck in the movable joint, the upper cover plate and the lower cover plate.

In the figure, 1. Handle; 2. a movable joint; 3. a connecting rod; 4. a lower cover plate; 5. an upper cover plate; 6. a chuck; 7. a bayonet; 8. a protrusion; 9. a spring; 10. releasing the switch.

Detailed Description

The utility model is further illustrated below with reference to examples. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the anastomat with a detachable chuck 6 provided by the utility model comprises a handle 1, a movable joint 2 and a connecting rod 3 for connecting the handle 1 and the movable joint 2, wherein driving parts for driving a suture needle to rotate are arranged in the handle 1 and the movable joint 2.

The movable joint 2 comprises a lower cover plate 4 and an upper cover plate 5, a part of driving parts positioned in the movable joint 2 are arranged on the lower cover plate 4, a chuck 6 is provided with an arc-shaped track matched with the driving parts, a suture needle is placed on the arc-shaped track, the front end of the chuck 6 is clamped on the lower cover plate 4, and the rear end of the chuck 6 is clamped on the upper cover plate 5. The whole chuck 6 is convenient to take down for disinfection after the operation, and the disinfected chuck 6 is also convenient to be installed on the movable joint 2 before the operation, so that the operation is clean and sanitary, the risk of infection is reduced, the disassembly is convenient, and the operation efficiency is improved.

In some preferred embodiments, the front end of the lower cover plate 4 is provided with a bayonet 7, the front end of the chuck 6 is provided with a protrusion 8 matched with the bayonet 7, and the front end of the lower cover plate 4 and the front end of the chuck 6 are clamped through the bayonet 7 and the protrusion 8.

The inside slide that is provided with of chuck 6 rear end, upper cover plate 5 inside also is provided with the slide, chuck 6 inner slide and upper cover plate 5 inner slide link up, upper cover plate 5 slide in-connection has spring 9, spring 9 is connected with release switch 10, release switch 10 is the slider that slides and set up in the slide, release switch 10 connects the one end top of spring 9 and is connected with the sand grip, chuck 6 and upper cover plate 5 junction has been seted up and has been supplied the sand grip to wear out gliding slot hole, under the spring 9 normal condition, release switch 10 part is located chuck 6, part is located upper cover plate 5, chuck 6 and upper cover plate 5 pass through slide and slider joint, when slide makes release switch 10 break away from chuck 6 inner slide to upper cover plate 5 side with release switch 10, chuck 6 and upper cover plate 5 separation.

In some preferred embodiments, the two ends of the arc-shaped track are respectively provided with a backstop step, and the two backstop steps are respectively clamped at the tail part of the suture needle after the suture needle rotates for half a circle and one circle, so as to prevent the suture needle from retreating.

According to the anastomat with the detachable chuck 6, the chuck 6 is clamped with the movable joint 2, so that the whole chuck 6 is conveniently taken down for disinfection after an operation, the disinfected chuck 6 is conveniently mounted on the movable joint 2 before the operation, the anastomat is clean and sanitary, the risk of infection is reduced, the disassembly is convenient, and the operation efficiency is improved.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims

1. The utility model provides a chuck detachable anastomat, its characterized in that, the anastomat includes handle, movable joint, connecting rod of connecting handle and movable joint, the handle with be provided with the driving piece that drives the sewing needle gyration in the movable joint, movable joint includes lower apron and upper cover plate, the partial driving piece setting that is located movable joint is on lower apron, the chuck be provided with the arc track that the driving piece matees, the sewing needle has been placed on the arc track, chuck front end joint is on lower apron, chuck rear end joint is on upper cover plate.

2. The anastomat with the detachable chuck according to claim 1, wherein a bayonet is formed in the front end of the lower cover plate, a protrusion matched with the bayonet is arranged at the front end of the chuck, and the front end of the lower cover plate and the front end of the chuck are clamped through the bayonet and the protrusion.

3. The anastomat with the detachable chuck according to claim 1, wherein a slide way is arranged in the rear end of the chuck, a slide way is also arranged in the upper cover plate, the inner slide way of the chuck is communicated with the inner slide way of the upper cover plate, a spring is connected in the slide way of the upper cover plate, the spring is connected with a release switch, the release switch is a sliding block arranged in the slide way in a sliding way, a raised strip is connected to the top of one end of the release switch connecting spring, a long hole for the raised strip to penetrate and slide is formed in the joint of the chuck and the upper cover plate, the release switch is partially positioned in the chuck and partially positioned in the upper cover plate in a normal state of the spring, and the chuck and the upper cover plate are clamped with the slide way through the slide way and the sliding block, so that the chuck is separated from the upper cover plate when the release switch slides to the upper cover plate side to separate the release switch from the inner slide way of the chuck.

4. The anastomat with detachable chucks according to claim 1, wherein the two ends of the arc-shaped track are respectively provided with a stop step, and the two stop steps are respectively clamped at the tail of the suture needle after the suture needle rotates for half a circle and one circle, so as to prevent the suture needle from backing.