CN212369019U

CN212369019U - Circular anastomat 3D nail groove structure

Info

Publication number: CN212369019U
Application number: CN202020834414.5U
Authority: CN
Inventors: 刘安升; 张宁
Original assignee: Weizhi Suzhou Medical Technology Co ltd
Current assignee: Weizhi Suzhou Medical Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-19
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a circular anastomat 3D nail groove structure, including supporting nail seat body, the bottom of supporting nail seat body is provided with the identical face, a plurality of nail grooves have been seted up on the identical face, and the both ends in every group nail groove all are provided with the arch of symmetric distribution, and multiunit nail groove encircles the central axis evenly distributed who supports nail seat body, it is provided with the connecting cylinder to support nail seat body bottom, the utility model discloses a with the nail groove design into forked nail groove structure, let sew up the nail along the crooked 3D curved surface cross shaping of cross nail groove, help controlling the tension when organizing the overthickness, ensure to sew up safety. Meanwhile, the arrangement number of the 3D-shaped suturing nails is less than that of the traditional 2D nails, so that the number of the suturing nails left in a human body is reduced, and the effect of reducing the stimulation of foreign matters is achieved.

Description

Circular anastomat 3D nail groove structure

Technical Field

The utility model relates to the technical field of medical equipment, specifically a circular anastomat 3D nail groove structure.

Background

The anastomat is a device used in medicine to replace manual suturing, and the operation principle of the anastomat is the same as that of a stapler, namely two rows of mutually staggered staples are implanted into tissues in a percussion mode to carry out double-row cross stapling on the tissues, suturing is tight, and leakage is prevented. According to different application ranges, the method mainly comprises the following steps: linear staplers, circular staplers, linear cutting staplers, purse string staplers, endoscopic specialized staplers, and the like. The existing disposable circular or anorectal anastomat is mainly sewn by suturing nails, the suturing nails in a nail bin are pushed into nail grooves of a nail pushing seat to be subjected to bending, so that relative tissues are sewn, and the arrangement and the shape of the nail grooves of the nail pushing seat play a key role in the formation of suturing nails. The existing anastomotic nails of the anastomat are based on the principle that 2D planes are crossed to form B-type nails, and the B-type nails have the phenomenon of nonuniform suturing and influence the healing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular anastomat 3D nail groove structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a circular anastomat 3D nail groove structure, includes to support the nail seat body, the bottom of supporting the nail seat body is provided with the anastomotic surface, a plurality of nail grooves have been seted up on the anastomotic surface, and the both ends in every group nail groove all are provided with the arch of symmetric distribution, and multiunit nail groove encircles the central axis evenly distributed of supporting the nail seat body, it is provided with the connecting cylinder to support nail seat body bottom.

Preferably, the upper end surface of the nail abutting seat body is provided with a spherical surface shape protruding outwards.

Preferably, the bottom edge of the nail abutting seat body is provided with an arc-shaped transition surface.

Preferably, a plurality of fool-proof convex strips are arranged on the inner wall of the connecting cylinder.

Preferably, the nail groove comprises a first forming groove and a second forming groove, the first forming groove and the second forming groove are staggered and arranged in a flat shape, and protrusions are arranged at the ends, far away from each other, of the first forming groove and the second forming groove.

Preferably, the bulge comprises an arc-shaped bulge section, a guide groove is formed in one end, facing the nail groove, of the bulge section, and a transition groove is formed between the guide groove and the nail groove.

Preferably, the protruding section gradually increases in thickness in a direction gradually away from the nail groove.

Preferably, still including sewing up the nail, sew up the nail and include straight section, the front and back both ends of straight section are connected with first arc line section and second arc line section respectively, first arc line section and second arc line section symmetric distribution each other, first arc line section and second arc line section distribute respectively in the left and right sides of straight section.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a to follow closely the groove and design into forked nail groove structure, let sew up the nail and follow alternately nail groove and bend into 3D curved surface cross molding, help controlling the tension when organizing the excess thickness, ensure to sew up safety. Meanwhile, the arrangement number of the 3D-shaped suturing nails is less than that of the traditional 2D nails, so that the number of the suturing nails left in a human body is reduced, and the effect of reducing the stimulation of foreign matters is achieved.

Drawings

FIG. 1 is a bottom view of a staple abutting seat body in a 3D staple slot structure of a circular stapler;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a front view of a staple abutting seat body in a 3D staple slot structure of a circular stapler;

fig. 4 is a schematic structural view of a suturing nail in a 3D nail groove structure of a circular anastomat.

In the figure: 1-nail abutting seat body, 2-nail groove, 3-connecting cylinder, 4-foolproof raised line, 5-transition surface, 6-first forming groove, 7-second forming groove, 8-bulge, 9-bulge section, 10-guide groove, 11-transition groove, 12-straight section, 13-first arc line section and 14-second arc line section.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a circular anastomat 3D nail groove structure, includes to nail seat body 1, the bottom of supporting nail seat body 1 is provided with the anastomotic surface, a plurality of nail grooves 2 have been seted up on the anastomotic surface, and the both ends of every group nail groove 2 all are provided with the arch 8 of symmetric distribution, and multiunit nail groove 2 encircles the central axis evenly distributed who supports nail seat body 1, it is provided with connecting cylinder 3 to support nail seat body 1 bottom.

The upper end surface of the nail abutting seat body 1 is set to be in a spherical surface shape protruding outwards.

The bottom edge of the nail abutting seat body 1 is provided with an arc-shaped transition surface 5.

Be provided with a plurality of slow-witted sand grips 4 on the inner wall of connecting cylinder 3 for support nail seat body 1 when lieing in the anastomat and connect, just can fix a position the nail groove through preventing slow-witted sand grip 4, do not need the manual comparison of going again of manual work.

The nail groove 2 comprises a first forming groove 6 and a second forming groove 7, the first forming groove 6 and the second forming groove 7 are staggered and arranged in a flat shape, and protrusions 8 are arranged at one ends, far away from each other, of the first forming groove 6 and the second forming groove 7.

The bulge 8 comprises an arc-shaped bulge section 9, a guide groove 10 is formed in one end, facing the nail groove 2, of the bulge section 9, and a transition groove 11 is formed between the guide groove 10 and the nail groove 2.

The protruding section 9 gradually increases in thickness in a direction gradually away from the nail groove 2.

Still include the staple, the staple includes straight section 12, the front and back both ends of straight section 12 are connected with first arc line section 13 and second arc line section 14 respectively, first arc line section 13 and second arc line section 14 symmetric distribution each other, first arc line section 13 and second arc line section 14 distribute respectively in the left and right sides of straight section 12.

The utility model discloses a theory of operation:

by designing the nail groove 2 into a cross-shaped nail groove structure, the suturing nail is bent into a 3D curved surface cross forming along the cross nail groove to form a suturing nail shape as shown in figure 4, so that the tension when the tissue is too thick can be controlled, and the suturing safety is ensured. Meanwhile, the arrangement number of the 3D-shaped suturing nails is less than that of the traditional 2D nails, so that the number of the suturing nails left in a human body is reduced, and the effect of reducing the stimulation of foreign matters is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a circular anastomat 3D nail groove structure, includes supports nail seat body (1), its characterized in that: the bottom of supporting nail seat body (1) is provided with the anastomotic surface, a plurality of nail grooves (2) have been seted up on the anastomotic surface, the both ends of every group nail groove (2) all are provided with the arch (8) of symmetric distribution, and multiunit nail groove (2) encircle the central axis evenly distributed of supporting nail seat body (1), it is provided with connecting cylinder (3) to support nail seat body (1) bottom.

2. The circular stapler 3D staple tray structure of claim 1, wherein: the upper end surface of the nail abutting seat body (1) is set to be in a spherical surface shape protruding outwards.

3. The circular stapler 3D staple tray structure of claim 2, wherein: an arc-shaped transition surface (5) is arranged at the edge of the bottom end of the nail abutting seat body (1).

4. The circular stapler 3D staple tray structure of claim 3, wherein: the inner wall of the connecting cylinder (3) is provided with a plurality of foolproof convex strips (4).

5. The circular stapler 3D staple tray structure of claim 4, wherein: the nail groove (2) comprises a first forming groove (6) and a second forming groove (7), the first forming groove (6) and the second forming groove (7) are staggered and arranged in a flat shape, and protrusions (8) are arranged at one ends, far away from each other, of the first forming groove (6) and the second forming groove (7).

6. The circular stapler 3D staple tray structure of claim 5, wherein: the bulge (8) comprises an arc-shaped bulge section (9), a guide groove (10) is formed in one end, facing the nail groove (2), of the bulge section (9), and a transition groove (11) is formed between the guide groove (10) and the nail groove (2).

7. The circular stapler 3D staple tray structure of claim 6, wherein: the thickness of the protruding section (9) is gradually increased along the direction away from the nail groove (2).

8. The circular stapler 3D staple tray structure of claim 7, wherein: still include the staple, the staple includes straight section (12), both ends are connected with first arc line section (13) and second arc line section (14) respectively around straight section (12), first arc line section (13) and second arc line section (14) symmetric distribution each other, first arc line section (13) and second arc line section (14) distribute respectively in the left and right sides of straight section (12).