CN216021217U

CN216021217U - Anastomosis nail

Info

Publication number: CN216021217U
Application number: CN202122515117.1U
Authority: CN
Inventors: 郑莹; 周小驰; 陈思敬; 彭诗意
Original assignee: West China Second University Hospital of Sichuan University
Current assignee: West China Second University Hospital of Sichuan University
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-15
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to an anastomosis nail which is matched with a nail groove and comprises a main rod and two nail legs arranged oppositely, wherein the two nail legs are arranged on the same side of the main rod, each nail leg comprises a deformation part and a pressure part, the pressure part is a part close to the main rod, the deformation part is a part far away from the main rod, and the deformation part can be extruded with the nail groove to enable the deformation part to be bent and deformed and enable the distance between the two pressure parts to be shortened. In the scheme of this application, the bending deformation's pars morphea and mobile jib extrude the tissue that needs to sew up, carry out the pressclosure with the great blood vessel between the tissue, reduce the amount of bleeding at incision department, and the pars morphea extrudes the pressurized part and makes the pressurized part crooked and make the distance between two pressurized parts shorten, and then carries out the pressclosure with the great blood vessel in the human tissue between two pressurized parts, and then does benefit to the healing of patient's tissue cutting part's wound.

Description

Anastomosis nail

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a Pi-shaped anastomosis nail.

Background

The anastomat is a device used for replacing manual suture in medicine, and has the main working principle that the anastomat is used for separating or anastomosing tissues, and is similar to a stapler; according to different application ranges, the main components of the anastomat can be divided into a skin anastomat, a circular digestive tract anastomat, a rectal anastomat, a circular hemorrhoid anastomat, a circumcision anastomat, a blood vessel anastomat, a hernia anastomat, a lung cutting stapler and the like.

The anastomat comprises a nail bin and a nail anvil, wherein anastomosis nails are arranged in the nail bin, the nail anvil is provided with a nail groove matched with the anastomosis nails, and when the cutting part is sutured, the anastomosis nails and the nail groove are mutually extruded, so that nail feet on the anastomosis nails are bent and deformed, and tissues are sutured.

Although the current staples can suture the tissue at the cut part, which reduces the difficulty of manual suture, the inventor finds that the current staples have the following defects in practical operation:

most of existing anastomotic nails are B-shaped anastomotic nails after suturing, after tissues are cut, blood vessels in the tissues are cut off, gaps between two bent nail feet are difficult to press and close larger blood vessels between the tissues, the situation that bleeding is large at the incisal margin is caused, if bleeding amount is too large, cut wounds are difficult to heal, and discomfort of patients is further enhanced.

Therefore, in view of the above problems, there is a need to design a staple that reduces bleeding at the suture.

Disclosure of Invention

The utility model aims to: aiming at the defects existing in the prior art, the staple for reducing the bleeding amount at the suture part is provided.

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

the utility model provides an anastomotic nail, cooperates with the nail groove, includes mobile jib and two relative nail feet that set up, two the nail foot sets up same one side on the mobile jib, the nail foot includes deformation portion and pressure receiving portion, pressure receiving portion is for being close to the part of mobile jib, deformation portion is for keeping away from the part of mobile jib, deformation portion can extrude the messenger with the nail groove mutually deformation portion bending deformation, and make two the distance between the pressure receiving portion shortens.

As a preferred embodiment of the present invention, the main lever has an intermediate portion, and the two legs are provided on the intermediate portion.

As a preferred technical solution of the present application, a plurality of notches are provided in the deformed portion in a direction toward the bending direction of the deformed portion on a single nail foot.

As a preferred mode of the present invention, the notch has a fan-shaped cross-sectional shape on a plane parallel to the bending direction of the deformation portion.

As a preferred mode of the present invention, the end of the deformation portion that is away from the main rod has a conical shape.

As the preferential technical scheme of this application, be provided with a plurality of arch on the pressure receiving part.

As the preferential technical scheme of this application, the arch is the loop configuration, and overlaps and establish on the pressure receiving portion.

According to the technical scheme, the single nail foot is provided with a groove on one side of the pressure part facing to the bending direction of the deformation part, and the groove is used for being in contact with the deformation part.

As the preferential technical scheme of the application, the edge of the main rod is rounded.

As the preferential technical scheme of this application, the mobile jib with the nail foot all adopts human absorbable material to make.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application, the anastomosis nail is matched with the nail groove and then takes on a shape like 'pi' after tissue suturing, the anastomosis nail comprises a main rod and two nail feet, the two nail feet are oppositely arranged on the main rod and are positioned at the same side of the anastomosis nail, the nail feet comprise a deformation part and a pressure part, the pressure part is one side close to the main rod, the deformation part is one side far away from the main rod, when the anastomosis nail is used for tissue suturing, the nail feet penetrate into tissues, when the deformation part on the nail feet contacts and extrudes the nail groove, the deformation part is subjected to bending deformation, the distance between the nail groove and the main rod is continuously shortened, the main rod does not penetrate the tissues, so that the bending deformation part and the main rod which are subjected to bending deformation extrude the tissues which need to be sutured, and then press larger blood vessels between the tissues to close, the bleeding amount at the cut edge is reduced, when the deformation part is bent, the pressure of the nail groove which is subjected by the deformation part enables the pressure part to bend and the pressure part on the two nail feet to be shortened, when the nail foot penetrates into the tissue, the human tissue is arranged between the two pressure parts, and the distance between the two pressure parts is shortened, so that the human tissue between the two pressure parts is pressed, and then the larger blood vessel in the human tissue between the two pressure parts is pressed to be closed, thereby greatly reducing the situation that the larger blood vessel between the tissues is difficult to be pressed to be closed due to the gap between the two bent nail feet and the bleeding at the cutting edge is larger, and further being beneficial to the healing of the wound of the tissue cutting part of a patient;

the deformation part is provided with a plurality of notches in the bending direction towards the deformation part, when the deformation part is subjected to bending deformation, the notches are gradually reduced, even one side of each notch is propped against the other side of each notch, and the notches are arranged to facilitate the bending deformation of the deformation part and further facilitate the suturing of the anastomosis nail on tissues;

set up a plurality of arch on the pressure receiving portion, after the tip of nail foot stretched into in the tissue, formed the passageway in the tissue so that other parts on the nail foot penetrated, and other parts here are the part except that the tip of nail foot 2, and the arch that sets up on the pressure receiving portion makes the near tissue of arch receive the pulling, has strengthened the stability of the position of pressure receiving portion in the tissue, and then has improved the stability of this anastomotic nail at the sutural position of suturing.

Description of the drawings:

FIG. 1 is a schematic unswept structural view of one embodiment of a staple of the present application;

FIG. 2 is a schematic representation of a stapled configuration of one embodiment of the staple of the present application;

FIG. 3 is a schematic unswept structural view of one embodiment of the staple of the present application;

FIG. 4 is a schematic representation of a stapled configuration of one embodiment of a staple of the present application;

FIG. 5 is a schematic unswept structural view of one embodiment of the staple of the present application;

FIG. 6 is a schematic representation of a stapled configuration of one embodiment of a staple of the present application;

FIG. 7 is a schematic representation of a stapled configuration of one embodiment of a staple of the present application;

the following are marked in the figure: 1-main rod, 2-nail foot, 3-deformation part, 4-compression part, 5-middle part, 6-notch, 7-bulge and 8-groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown in reference to figures 1-4,

the embodiment provides a pair of anastomotic nail, with the cooperation of nail groove, including mobile jib 1 and two relative nail feet 2 that set up, two nail feet 2 sets up same one side on the mobile jib 1, nail feet 2 includes deformation portion 3 and receives 4, receive 4 portions for being close to the part of mobile jib 1, deformation portion 3 is for keeping away from the part of mobile jib 1, deformation portion 3 can extrude the messenger with the nail groove mutually 3 bending deformation of deformation portion, and make two the distance between the receive 4 portions shortens.

The anastomotic nail is matched with a nail groove and then takes on a shape like the Chinese character 'pi' after tissue suturing, the anastomotic nail comprises a main rod 1 and two nail feet 2, the two nail feet 2 are oppositely arranged on the main rod 1 and are positioned at the same side of the anastomotic nail, the nail feet 2 comprise a deformation part 3 and a pressure part 4, the pressure part 4 is one side close to the main rod 1, the deformation part 3 is one side far away from the main rod 1, when the anastomotic nail is used for tissue suturing, the nail feet 2 penetrate into tissue, when the deformation part 3 on the nail feet 2 contacts and extrudes the nail groove, the deformation part 3 generates bending deformation, the distance between the nail groove and the main rod 1 is continuously shortened, the main rod 1 does not penetrate through the tissue, so that the bending deformation part 3 and the main rod 1 extrude the tissue to be sutured, further, a larger blood vessel between the tissues is pressed to close, the bleeding amount at a cutting edge is reduced, when the deformation part is bent, the power in the nail groove that the deformation portion 3 received makes pressure portion 4 crooked and make the distance between the pressure portion 4 on two nail feet 2 shorten, because when nail foot 2 penetrates the tissue, there is human tissue between two pressure portions 4, two distance between the pressure portion 4 shorten make two human tissue compressed between the pressure portion 4, and then press the great blood vessel in the human tissue between two pressure portions 4 to close, thereby greatly reduced appear because of there being the space between two crooked nail feet to lead to being difficult to press the great blood vessel between the tissue to close and cause the incisal edge department to appear the condition that the hemorrhage is bigger, and then do benefit to the healing of patient's tissue cutting part's wound.

In a preferred embodiment, in addition to the above-mentioned mode, the main rod 1 further has an intermediate portion 5 at the intermediate portion 5, and the two legs 2 are provided at the intermediate portion 5. The intermediate portion 5 of mobile jib 1 is intermediate portion 5, set up two staple 2 on intermediate portion 5, when the identical nail sews up and makes staple 2 take place bending deformation, two partial length on the mobile jib 1 that takes place bending deformation's staple 2 and correspond is close, thereby prevent that mobile jib 1 from having more not mutual position that corresponds with bending deformation's staple 2, greatly improved mobile jib 1 and staple 2 and carried out extruded area with the tissue jointly, thereby the suture effect of cutting department has been improved, do benefit to the vascular pressure of organizing and close.

In a preferred embodiment, in addition to the above-described aspect, a plurality of notches 6 are provided in the deformed portion 3 in a direction toward the bent portion 3 of the leg 2. Be provided with a plurality of breach 6 towards the crooked direction of deformation portion 3 on deformation portion 3, when deformation portion 3 takes place bending deformation, breach 6 dwindles gradually, still can appear one side of breach 6 and support the another side of breach 6 even, and the setting of breach 6 does benefit to the bending deformation of deformation portion 3, and then does benefit to this anastomosis nail to the sewing up of tissue.

In a preferred embodiment, in addition to the above-described embodiment, the cross-sectional shape of the notch 6 is a sector shape on a plane parallel to the bending direction of the deformation portion 3. On the plane that is on a parallel with the crooked direction of deformation portion 3, further set up the cross sectional shape of breach 6 into fan-shaped, when making out of shape portion 3 take place bending deformation gradually, contained angle between two sharp limits of fan-shaped structure shortens gradually, when two sharp limits of fan-shaped structure contacted each other, deformation portion 3 is the bending state, and along with the bending of the bigger degree of deformation portion 3, two sharp limits of fan-shaped structure extrude each other, and then reduced the resistance that deformation portion 3 received at crooked in-process, further do benefit to the bending deformation of deformation portion 3, do benefit to this staple simultaneously to the sewing up of tissue.

In a preferred embodiment, in addition to the above-described aspect, an end portion of the deformation portion 3 that is distant from the primary lever 1 is conical in shape. The end part of the deformation part 3 far away from the main rod 1 is conical, so that the resistance of the nail foot 2 penetrating into the tissue is reduced.

Example two: as shown with reference to figures 5-7,

the difference between this embodiment and the first embodiment is: the pressed part 4 is provided with a plurality of bulges 7. Set up a plurality of arch 7 on pressure receiving portion 4, after the tip of nail foot 2 stretched into in the tissue, formed the passageway in the tissue so that other parts on the nail foot 2 penetrated, and other parts here are the part except the tip of nail foot 2, and the arch 7 that sets up on the nip portion makes the near tissue of arch 7 receive the pull, has strengthened the stability of nip portion position in the tissue, and then has improved the stability of this anastomotic nail at the sutural position of sewing up.

In a preferred embodiment, in addition to the above aspect, the projection 7 has an annular structure and is fitted over the pressure receiving portion 4. Set up arch 7 to annular structure to establish arch 7 cover on the portion 4 that receives pressure, when using this anastomosis nail to sew up, the nip portion stretches into in the tissue, and annular structure's arch 7 further increase the degree of dragging of the near tissue of arch 7, thereby further strengthened the stability of nip portion position in the tissue.

In a preferred embodiment, in addition to the above aspect, in the single leg 2, a groove 8 is provided on the pressure receiving portion 4 on a side facing a bending direction of the deformable portion 3, and the groove 8 is configured to contact the deformable portion 3. When selecting for use longer nail foot 2, the crooked pars 3 that can appear in the crooked deformation of pars 3 contacts the surface of the portion 4 that receives pressure, further be provided with recess 8 towards one side of the crooked direction of pars 3 on the portion 4 that receives pressure, when the pars 3 crooked and contact portion 4 that receives pressure, pars 3 can contact with recess 8, recess 8 plays the effect of direction, make the pars 3 contact and receive pressure 4 to receive the portion 4 and exert pressure under the guide of recess 8 behind the portion 4 that receives pressure, the effect of closing by pressure of the blood vessel of the tissue between two portions 4 has further been improved.

In a preferred embodiment, in addition to the above-described aspect, the edge of the primary lever 1 is rounded. When this anastomotic pin sews up, if the edge of mobile jib 1 has the edges and corners, can make 1 fish tail tissue of mobile jib cause even that 1 of mobile jib moves in the tissue direction and the part on the mobile jib 1 stretches into the tissue, further at the edge fillet of mobile jib 1 for the marginal transition slick and sly of mobile jib 1, thereby greatly reduced 1 fish tail to the tissue and then improved the quality of sewing up.

In a preferred embodiment, in addition to the above, the main shaft 1 and the nail foot 2 are made of a material that can be absorbed by human body. The main rod 1 and the nail foot 2 are made of human body absorbable materials, so that when the wound is healed after suturing, the main rod 1 and the nail foot 2 are absorbed by the human body, the healing of the tissue wound is facilitated, and meanwhile, the materials used on the anastomosis nail can be made of the absorbable materials, so that the healing of the tissue wound is further accelerated.

The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims

1. The utility model provides an anastomosis nail, with nail groove cooperation which characterized in that: including mobile jib and two relative nail feet that set up, two the nail foot sets up same one side on the mobile jib, the nail foot includes deformation portion and receives the pressure portion, receive the pressure portion for being close to the part of mobile jib, the deformation portion is for keeping away from the part of mobile jib, the deformation portion can make with the nail groove looks extrusion deformation portion bending deformation makes two receive the distance between the pressure portion and shorten.

2. The staple according to claim 1, wherein: the middle part of the main rod is a middle part, and the two nail feet are arranged on the middle part.

3. The staple according to claim 2, wherein: on a single nail foot, a plurality of notches are arranged on the deformation part in the bending direction of the deformation part.

4. The staple according to claim 3, wherein: the cross-sectional shape of the notch is a sector on a plane parallel to the bending direction of the deformation portion.

5. The staple according to claim 4, wherein: the end part of the deformation part far away from the main rod is conical.

6. The staple according to any one of claims 1-5, wherein: the compression part is provided with a plurality of bulges.

7. The staple according to claim 6, wherein: the bulge is of an annular structure and is sleeved on the compression part.

8. The staple according to claim 7, wherein: on a single nail foot, a groove is arranged on one side of the pressure part, facing the bending direction of the deformation part, and the groove is used for being in contact with the deformation part.

9. The staple according to claim 8, wherein: the edge of the main rod is rounded.

10. The staple according to claim 8, wherein: the main rod and the nail feet are both made of human body absorbable materials.