CN211749812U - Driving device and loading unit for suturing nail and surgical suturing instrument - Google Patents
Driving device and loading unit for suturing nail and surgical suturing instrument Download PDFInfo
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- CN211749812U CN211749812U CN201922448056.4U CN201922448056U CN211749812U CN 211749812 U CN211749812 U CN 211749812U CN 201922448056 U CN201922448056 U CN 201922448056U CN 211749812 U CN211749812 U CN 211749812U
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Abstract
The utility model relates to the technical field of medical equipment, concretely relates to drive arrangement who sews up nail, include: the nail pushing sliding block is provided with at least one inclined working surface; the nail pusher is provided with a moving surface matched with the working surface, and a suturing nail is arranged on the nail pusher; the concave-convex structure is arranged between the working face and the moving face, the nail pushing sliding block pushes the nail pusher to do vertical periodic reciprocating motion along the nail outlet groove where the nail pusher is located under the action of the concave-convex structure, so that the suturing nail is inserted into tissues to complete the suturing of the tissues. The utility model also provides a can pierce through thick tissue, and the difficult drive arrangement who sews up the nail that takes place the skew. The utility model also provides a loading unit and surgical stapler of drive arrangement with sew up the nail.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to drive arrangement and loading unit and surgery stitching instrument who sews up nail.
Background
With the development of medicine and product research and development, more and more multifunctional staple products are applied to clinic, the application range relates to various fields of gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urology surgery, gynecology and the like, and the multifunctional staple products become one of the indispensable tools of doctors, so the surgical stapler becomes an indispensable auxiliary medical instrument in the process of suturing human tissues. The application of the surgical suture instrument has the advantages of less bleeding in the operation, shorter operation time, capability of reducing manual operation errors, infection avoidance, quick functional recovery after the operation and the like.
In a surgical operation for suturing human tissues, a suturing nail pushing mechanism is arranged in a nail bin in a surgical suturing device, wherein the suturing nail pushing mechanism comprises a nail pushing slider and a nail pusher; the nail pushing slider is provided with an inclined plane which is contacted with a smooth surface at the bottom of the nail pusher, the nail pusher slowly moves along the inclined plane on the nail pushing slider, and the suturing nail is penetrated into the tissue under the pushing of the nail pusher so as to quickly and effectively suture the tissue, so that the tissue is quickly and effectively sutured.
However, in the driving mode of the nail pushing slider, the nail pusher and the suturing nail combination, when thick tissues are sutured, the suturing nails are not easy to penetrate due to thick tissues, so that the suturing nails are easy to shift during suturing, and the suturing effect is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art because the tissue is thick, sews up the nail and is difficult for penetrating, lead to sewing up the nail easy skew when sewing up, sews up the relatively poor defect of effect to provide a drive arrangement and loading unit and the surgical stapler who sews up the nail.
In order to solve the technical problem, the utility model provides a drive arrangement who sews up nail, include:
the nail pushing sliding block is provided with at least one inclined working surface;
the nail pusher is provided with a moving surface matched with the working surface, and a suturing nail is arranged on the nail pusher;
the concave-convex structure is arranged between the working face and the moving face, the nail pushing sliding block pushes the nail pusher to do vertical periodic reciprocating motion along the nail outlet groove where the nail pusher is located under the concave-convex effect, so that the suturing nail is inserted into tissues to complete the suturing of the tissues.
Further, the concave-convex structure comprises at least fifteen grooves and/or protrusions which are arranged on the working surface.
Further, the concave-convex structure further comprises: and the bulges and/or the grooves are arranged on the moving surface and are suitable for the nail pushing sliding block to push the nail pusher to do up-and-down periodic reciprocating motion.
Further, the at least fifteen grooves and/or projections are evenly distributed on the working surface.
Further, the groove is arc-shaped.
Further, the grooves are triangular.
Further, the work surface includes:
the guide section is arranged at the lower part of the working surface and is used for guiding the nail pusher to enter the nail pushing sliding block;
the moving section is arranged in the middle of the working surface, and the concave-convex structure is arranged on the moving section and used for pushing a suturing nail on the nail pusher to penetrate through tissues;
and the forming section is arranged at the upper part of the working surface and is used for pushing the suturing nail on the nail pusher to suture the tissue so as to form the suturing nail into a perfect B shape on the tissue.
Further, the slope of the shaping segment is greater than the slope of the motion segment.
Further, a recess is formed at 1/8-1/3 of the length of the leg of the staple.
Further, the depth of the depression at the depression of the staple legs where the depressions are provided is 10-20% of the diameter of the staple legs.
The utility model also provides a loading unit of operation stitching instrument, include the penetrating structure who is applicable to sew up cyclic motion from top to bottom of sewing up the nail.
The utility model also provides a surgical stitching instrument, include the penetrating structure who is applicable to sew up cyclic motion from top to bottom of sewing up the nail.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a pair of suturing nail drive arrangement, include: the nail pushing sliding block is provided with at least one inclined working surface; the nail pusher is provided with a moving surface matched with the working surface, and a suturing nail is arranged on the nail pusher; the concave-convex structure is arranged between the working face and the moving face, the nail pushing sliding block pushes the nail pusher to do vertical periodic reciprocating motion along a straight line where the nail pusher is located under the action of the concave-convex structure, so that the suturing nail is inserted into tissues to complete the suturing of the tissues. Through setting up concave-convex structure between working face and removal face for pushing away the in-process that the nail slider pushed away the nail ware motion, the nail ware is the rising motion along this working face, make the nail ware constantly do the up-and-down motion at this position, and form periodic, and continuous reciprocating motion, thereby in continuous up-and-down motion, can pierce through thicker tissue finally, when making to sew up the nail and insert the nail anvil seat in the nail anvil subassembly, it can form perfect B font to sew up the nail, the skew appears when sewing up having avoided sewing up the nail, thereby the effect of sewing up has been improved.
2. The utility model provides a pair of drive arrangement who sews up nail, concave-convex structure include: at least fifteen grooves or bulges are arranged on the working surface; and the bulges and/or the grooves are arranged on the moving surface and are suitable for the nail pushing sliding block to push the nail pusher to do up-and-down periodic reciprocating motion. The continuous arrangement of the bulges and/or the grooves can realize the movement of the nail pusher in the bulges and/or the grooves, when the nail pusher moves the highest point of the bulges, the suturing nails penetrate into tissues, when the nail pusher moves the lowest point of the grooves, the suturing nails descend along with the movement of the nail pusher and then move to the highest point of the next bulge, the suturing nails are again introduced into the tissues, the acceleration movement from the lowest point to the highest point and from the highest point to the lowest point are realized to play the role of quickly drawing the suturing nails, and the like, the up-and-down periodic movement of the nail pusher is realized, so that thicker tissues can be penetrated.
3. The utility model provides a pair of suturing nail driving device, the slope of shaping section is greater than the slope of motion section. The slope of the forming section is larger than that of the moving section, and the acting force of the nail pushing slider applied to the nail pusher in the forming section is larger than that of the moving section, so that the quick forming of the suturing nail is facilitated.
4. The utility model provides a pair of drive arrangement who sews up nail is in 1/8-1/3 departments of the leg length of sewing up the nail are equipped with the depressed part. The arrangement of the concave part weakens the strength of the nail leg, thereby being convenient for the nail leg to bend when entering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a staple driving device provided by the present invention;
FIG. 2 is a schematic structural view of the staple pushing slider of FIG. 1;
FIG. 3 is a schematic structural view of the staple pusher of FIG. 2;
FIG. 4 is a schematic view of the staple configuration;
FIG. 5 is a schematic view of a staple driver in the cartridge;
FIG. 6 is an enlarged view of the staple pusher shoe of FIG. 5;
description of reference numerals:
1-pushing a nail slide block; 2-working surface; 3-a guiding section; 4-motion segment; 5-forming section; 6-a concave-convex structure; 7-suturing nail; 8-nailing legs; 9-a recess; 10-a nail pusher; 11-moving surface; 12-nail bin.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In various embodiments of the present invention, "distal" refers to the end of the surgical instrument that is distal from the user when the surgical instrument is manipulated, and "proximal" refers to the end of the surgical instrument that is proximal to the user when the surgical instrument is manipulated.
As shown in fig. 1-6, the present invention provides a staple driving device, which comprises a staple pushing slider 1 and a staple pusher 10. The staple driver is disposed in a cartridge 12 of the surgical stapler and, above the staple pusher 10, there is an anvil assembly (not shown in the drawings) comprising a staple anvil between which the tissue is placed and the staple pusher 10.
The nail pushing sliding block 1 is provided with at least one inclined working surface 2;
a nail pusher 10 which is provided with a moving surface 11 matched with the working surface 2 and provided with a stitching nail 7;
the concave-convex structure 6 is arranged between the working face 2 and the moving face 11, and the nail pushing slider 1 pushes the nail pusher 10 to do vertical periodic reciprocating motion along a nail outlet groove where the nail pusher 10 is located under the action of the concave-convex structure, so that the suturing nail 7 is inserted into tissues to complete the suturing of the tissues.
Through setting up concave-convex structure 6 between working face 2 and the face that moves, make pushing away the in-process that nail slider 1 promoted nail pusher 10 motion, nail pusher 10 is the rising motion along this working face 2, make nail pusher 10 do the up-and-down motion constantly at this position, and form periodic, and continuous reciprocating motion, at continuous up-and-down motion, can pierce through thicker tissue finally, when making to sew up nail 7 and insert the nail anvil seat in the nail anvil subassembly, sew up nail 7 and can form perfect B font, avoided sewing up nail 7 and appeared squinting when sewing up, thereby improved the sewing effect.
In this embodiment, the concave-convex structure 6 includes: at least fifteen projections arranged on the working surface 2; and the grooves are arranged on the moving surface and are suitable for the nail pushing sliding block 1 to push the nail pusher 10 to do vertical periodic reciprocating motion. The bulge is arranged on the working surface 2 and is matched with the groove arranged at the bottom of the nail pushing slide block 1; the nail pusher slider 1 pushes the nail pusher 10 to move, when the nail pusher 10 is located at the highest point of the protrusions, the suturing nails 7 on the nail pusher 10 continuously penetrate into tissues, and the protrusions are arranged into multiple groups, so that the nail pusher 10 can continuously penetrate into the tissues through the multiple groups of protrusions, and the suturing nails 7 can conveniently penetrate through thicker tissues.
As an alternative embodiment, it is also possible to provide the working surface 2 with grooves and the moving surface with projections, which fit into the grooves and facilitate the movement of the moving surface on the working surface 2.
As an alternative embodiment, the working surface may be provided with both protrusions and recesses, and the moving surface may be provided with both recesses and protrusions, which cooperate with each other.
The number of the bulges and the grooves is not specifically limited and is determined according to actual needs.
In the present embodiment, the at least fifteen grooves and/or projections are evenly distributed on the working surface 2. So that the acting force exerted on the nail pusher 10 by the nail pushing slider 1 is consistent; and meanwhile, the grooves and/or the bulges are uniformly distributed, so that the processing is facilitated.
As an alternative embodiment, at least fifteen grooves and/or projections can be distributed non-uniformly over the working surface 2.
In this embodiment, the groove is arc-shaped, thereby facilitating the processing of the groove. The arc of the groove is not particularly limited.
As an alternative embodiment, the grooves may also be triangular.
As an alternative embodiment, the grooves may also be trapezoidal.
The working surface 2 comprises a guide section 3 which is arranged at the lower part of the working surface 2 and is used for guiding the nail pusher 10 to enter the nail pushing slide block 1, so that the nail pusher 10 can enter the working surface 2 conveniently.
The moving section 4 is arranged in the middle of the working surface 2, and the concave-convex structure 6 is arranged on the moving section 4 and used for pushing a suturing nail on the nail pusher to penetrate through tissues; the stitching nail 7 in the nail pusher 10 is pushed by the moving section 4 to do up-and-down periodic reciprocating motion continuously; by the continuous arrangement of the projections and/or recesses, the movement is continuous.
And the forming section 5 is arranged at the upper part of the working surface 2 and is used for pushing the suturing nails on the nail pusher 10 to suture the tissues so as to form the suturing nails 7 into a perfect B shape on the tissues. By the constant pushing of the moving section 4 the staple pusher 10 is inserted into the tissue and penetrates the tissue, and when the forming section 5 encounters the staple anvil after the staples 7 have been passed through the tissue, the legs 8 bend towards the middle of the staples 7 to complete the stapling of the tissue.
Wherein the slope of the forming section 5 is greater than that of the moving section 4, that is, the slope of the forming section 5 is greater, the slope of the moving section 4 is smaller, and the acting force applied to the nail pusher 10 at the forming section 5 is greater than that applied to the nail pusher 10 by the moving section 4, thereby facilitating the rapid forming of the suturing nail 7.
In the embodiment, a concave part 9 is arranged at 1/8-1/3 of the length of the leg 8 of the suturing nail 7, and the arrangement position of the concave part 9 is self-adjusted according to actual needs. The two legs 8 of the suturing nail 7 are provided with the concave parts 9, which is equivalent to weakening the strength of the legs 8, thereby facilitating the bending of the legs 8.
In this embodiment, the depth of the recess in which the legs of the recess 9 are provided is 10-20% of the diameter of the legs, and the diameter of the legs 8 of the recess 9 does not destroy the strength of the legs 8 themselves, preventing the legs 8 from breaking when being formed in the anvil seat.
The utility model also provides a loading unit of operation stitching instrument, include the drive arrangement who sews up the nail.
The utility model also provides a surgical stitching instrument, include the drive arrangement who sews up the nail.
The specific working process is as follows: the nail pushing slider 1 is pushed to move towards the nail pusher 10, so that the nail pusher 10 enters the moving section 4 through the guide section 3, the nail pusher 10 pushes the nail pusher 10 to continuously do vertical reciprocating motion under the action of the concave-convex structure 6, so that the suturing nails 7 continuously penetrate into tissues, the nail pushing slider 1 is continuously pushed, the nail pusher 10 enters the forming section 5, the slope of the forming section 5 is large, so that the nail pusher 10 moves upwards and enters the nail anvil, and under the action of the nail anvil, the nail legs 8 of the suturing nails 7 move towards the middle of the suturing nails 7 to form a perfect B shape, so that the suturing of the tissues is completed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. A staple driving device, comprising:
the nail pushing sliding block (1) is provided with at least one inclined working surface (2);
the nail pusher (10) is provided with a moving surface matched with the working surface (2), and a sewing nail (7) is arranged on the nail pusher (10);
concave-convex structure (6), set up working face (2) with between removal face (11), push away nail slider (1) and be in under concave-convex structure's effect, promote push away nail ware (10) are followed periodic reciprocating motion about the play nail groove at push away nail ware (10) place makes sew up nail (7) and insert to the tissue in, in order to accomplish the sewing up of tissue.
2. A staple driving device according to claim 1, characterized in that said relief (6) comprises at least fifteen grooves and/or projections provided on said working surface (2).
3. The staple driving device according to claim 1, characterized in that said relief structure (6) further comprises a plurality of protrusions and/or grooves disposed on said moving surface and adapted to allow said staple pusher (1) to push said staple pusher (10) in an up-and-down cyclic reciprocating motion.
4. Staple driving device according to claim 2, characterized in that the at least fifteen grooves and/or projections are evenly distributed on the working surface (2).
5. The staple driving device of claim 2, wherein said grooves are arcuate.
6. The staple driving device of claim 2, wherein said notches are triangular.
7. Staple driving device according to any one of claims 1 to 6, characterized in that said working surface (2) comprises:
the guide section (3) is arranged at the lower part of the working surface (2) and is used for guiding the nail pusher (10) to enter the nail pushing sliding block (1);
the moving section (4) is arranged in the middle of the working surface (2), and the concave-convex structure (6) is arranged on the moving section (4) and used for pushing a suturing nail on the nail pusher to penetrate through tissues;
and the forming section (5) is arranged at the upper part of the working surface (2) and is used for pushing the suturing nail on the nail pusher to suture the tissue so as to form the suturing nail into a perfect B shape on the tissue.
8. Staple driving device according to claim 7, characterized in that the slope of the forming section (5) is greater than the slope of the movement section (4).
9. Staple driving device according to claim 1, characterized in that a recess (9) is provided at 1/8-1/3 of the length of the legs (8) of the staple (7).
10. A staple driving device according to claim 9, characterized in that the depth of the depression at the depression of the leg where the depression (9) is provided is 10-20% of the diameter of the leg (8).
11. Loading unit for a surgical stapler, characterized in that it comprises a staple driving device according to any one of claims 1-10.
12. Surgical stapler, characterized in that it comprises a device for driving staples as claimed in any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448056.4U CN211749812U (en) | 2019-12-30 | 2019-12-30 | Driving device and loading unit for suturing nail and surgical suturing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448056.4U CN211749812U (en) | 2019-12-30 | 2019-12-30 | Driving device and loading unit for suturing nail and surgical suturing instrument |
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| Publication Number | Publication Date |
|---|---|
| CN211749812U true CN211749812U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922448056.4U Active CN211749812U (en) | 2019-12-30 | 2019-12-30 | Driving device and loading unit for suturing nail and surgical suturing instrument |
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| CN (1) | CN211749812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403961A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Suturing nail and surgical suturing instrument |
| CN114403964A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Suture nail belt and surgical suture device |
-
2019
- 2019-12-30 CN CN201922448056.4U patent/CN211749812U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403961A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Suturing nail and surgical suturing instrument |
| CN114403964A (en) * | 2021-12-30 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Suture nail belt and surgical suture device |
| CN114403964B (en) * | 2021-12-30 | 2023-12-12 | 苏州英途康医疗科技有限公司 | Suture nail belt and surgical suture device |
| CN114403961B (en) * | 2021-12-30 | 2023-12-15 | 苏州英途康医疗科技有限公司 | Suturing nail and surgical suturing device |
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