CN219578939U

CN219578939U - Nail bin assembly of anastomat and anastomat

Info

Publication number: CN219578939U
Application number: CN202320551353.5U
Authority: CN
Inventors: 毛玲; 高雪; 胡兆雄
Original assignee: Chongqing Meiko Medical Technology Co ltd
Current assignee: Chongqing Meiko Medical Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-25
Anticipated expiration: 2033-03-20

Abstract

The utility model provides a nail bin assembly of an anastomat and the anastomat, which belong to the technical field of medical appliances and comprise a nail bin body, wherein the nail bin body is provided with an anastomotic surface, a nail outlet is formed in the anastomotic surface, a nail guiding table is further arranged on the anastomotic surface corresponding to the nail outlet, the nail outlet comprises a first nail outlet close to an inlet end, the nail guiding table comprises a first nail guiding table arranged corresponding to the first nail outlet, a transition surface is arranged between the top surface of the first nail guiding table and the anastomotic surface, and the transition surface is arranged on one side of the first nail guiding table facing the inlet end. The transition surface enables the tissue to be anastomosed to smoothly enter the anastomat along the transition surface after entering the anastomat, so that the tissue to be anastomosed is prevented from being scratched or scratched by the bulge at the front end to cause tissue bleeding of a patient, the strength and the stability of the first nail guiding table can be improved by the transition surface, and the comfort and the fluency of the anastomat in use are improved.

Description

Nail bin assembly of anastomat and anastomat

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a nail bin assembly of an anastomat and the anastomat.

Background

The anastomat is a common instrument for replacing manual suturing in medicine, and the main working principle is to separate tissues by using a cutting knife and anastomose the tissues by using titanium nails. The principle of operation of the stapler is to sever and staple tissue by inserting the cannula of the stapler into the patient with the cannula of the stapler positioned precisely at the surgical site, then making a longitudinal incision in the tissue and applying staples on opposite sides of the incision. At present, in order to promote the effect of spacing between anastomat and tissue, increased protruding structure on the anastomotic surface of nail storehouse subassembly, reduced the probability that the tissue slipped during the operation.

However, after the bulge structure is added to the anastomat, when the tissue to be anastomosed enters the anastomat, the tissue to be anastomosed may be scratched or scratched by the bulge at the front end, so that the comfort level and the suturing effect of the tissue to be anastomosed are affected, and the tissue bleeding may be caused, and even the life of a patient may be endangered in serious cases.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a cartridge assembly of an anastomat and an anastomat, which are used for solving the problems that when a tissue to be anastomosed enters the anastomat in the prior art, the tissue is scratched or scratched by a front protrusion.

To achieve the above and other related objects, the present utility model provides a cartridge assembly of an anastomat, the cartridge assembly having a cartridge body and staples disposed in the cartridge body, one end of the cartridge body being an entry end, when the cartridge assembly performs stapling, tissue to be stapled enters the anastomat from the entry end, the cartridge body having an anastomotic surface, a staple outlet opening for ejecting the staples is provided on the anastomotic surface near the entry end, a guide table is further provided on the anastomotic surface corresponding to the staple outlet opening, the guide table has a top surface for pressing the tissue to be stapled, the staple outlet opening includes a first staple outlet opening near the entry end, the guide table includes a first guide table disposed corresponding to the first staple outlet opening, a transition surface is disposed between the top surface of the first guide table and the anastomotic surface, the transition surface is disposed on a side of the first guide table facing the entry end, and the transition surface is communicated with the top surface through the transition surface.

Optionally, the two ends of the nail outlet hole are respectively provided with the nail guiding table, and one side of the nail guiding table, which is close to the nail outlet hole, is provided with a guiding groove for guiding the anastomotic nail.

Optionally, the distance between the two guide tables corresponding to the same nail outlet hole is a migration gap for the migration of the tissue to be anastomosed.

Optionally, the end of the nail hole is arc-shaped, and the guide groove surrounds the end of the nail hole.

Alternatively, the guide groove has a circular arc shape in a cross-sectional shape perpendicular to a length direction of the guide groove.

Optionally, the nail guiding table is provided with two supporting parts, the two supporting parts are arranged from the end part of the nail outlet towards the middle part of the nail outlet, the two supporting parts are arranged along the extending direction of the nail outlet, and the two supporting parts are respectively arranged at two sides of the nail outlet.

Optionally, the edge of the nail guiding table is a round angle.

Optionally, the support portion is tapered in height in a direction away from the nail hole end.

Optionally, the maximum height of the protrusion of the nail guiding table is 0.5 mm along the direction perpendicular to the anastomotic surface.

The utility model also provides a stapler comprising an upper clamping plate, a lower clamping plate, a handle, a pushing mechanism and a nail bin assembly comprising the above, wherein the nail bin assembly is arranged in the lower clamping plate.

As described above, the nail bin assembly of the anastomat and the anastomat have the following beneficial effects: through setting up the transitional surface at the entering end of nail storehouse body, make wait to coincide the tissue after getting into the anastomat, can be along the gentle entering into the anastomat of transitional surface, prevent to wait to coincide the tissue by being located protruding scratch or the fish tail of front end, and cause the tissue bleeding of patient, and the anastomat is when carrying out the anastomat, the force that first guide nail platform received is great, the transitional surface can improve first guide nail platform's intensity and stability, the travelling comfort and the smoothness of anastomat when using are promoted, reduce the possibility of patient's tissue bleeding, increase the suitability of anastomat.

Drawings

FIG. 1 is a schematic view of a cartridge assembly of a stapler according to an embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of a stapler of an embodiment of the utility model at cartridge assembly a.

FIG. 3 is a schematic top view of a staple cartridge assembly of a stapler according to an embodiment of the utility model.

Fig. 4 is an enlarged schematic view of a stapler of an embodiment of the utility model at cartridge assembly B.

FIG. 5 is a schematic cross-sectional view of a cartridge assembly of a stapler according to an embodiment of the utility model.

Fig. 6 is an enlarged schematic view of a stapler of an embodiment of the utility model at cartridge assembly C.

Part number description: 1. a staple cartridge body; 2. an anastomotic surface; 3. a nail guiding table; 4. a support part; 5. a first nail guiding table; 6. a transition surface; 7. a nail hole is formed; 8. and (3) anastomosing nails.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 6. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

To describe the present utility model in detail, a cartridge assembly of a stapler and the stapler according to the present utility model will be described in detail as follows:

fig. 1 is a schematic structural view of a cartridge assembly of an anastomat according to an embodiment of the present utility model, fig. 2 is an enlarged schematic view of a cartridge assembly a of the anastomat according to an embodiment of the present utility model, fig. 3 is an enlarged schematic view of a cartridge assembly B of the anastomat according to an embodiment of the present utility model, fig. 4 is an enlarged schematic view of a cartridge assembly B of the anastomat according to an embodiment of the present utility model, please refer to fig. 1 to 4, the present utility model provides a cartridge assembly of the anastomat, the cartridge assembly has a cartridge body 1 and staples 8 disposed in the cartridge body 1, one end of the cartridge body 1 is an entrance end, when the cartridge assembly performs stapling, a tissue to be stapled enters the anastomat from the entrance end, the cartridge body 1 has a stapling surface 2, a staple outlet 7 for ejecting the staples 8 is disposed on the stapling surface 2 near the entrance end, a guide table 3 is further disposed on the stapling surface 2 corresponding to the staple outlet 7, the guide table 3 has a top surface for pressing tissue to be stapled, the staple outlet 7 includes a first staple outlet 7 near the entrance end, the guide table 3 includes a first staple guide table 5 is disposed near the entrance end, and a transition surface 5 is disposed between the first guide table 5 and the first staple table 5 and the entrance surface 5 is disposed at one side transition surface 5, which is opposite to the first top surface 5 and is disposed at the transition surface 5. Through setting up the transitional surface at the entering end of nail storehouse body, make wait to coincide the tissue after getting into the anastomat, can be along the gentle entering of transitional surface 6 in the anastomat, prevent to wait to coincide the tissue by being located protruding scratch or the fish tail of front end, and cause patient tissue bleeding, and the anastomat is when carrying out the anastomat, the force that first guide nail platform 5 received is great, the transitional surface 6 can improve the intensity and the stability of first guide nail platform 5, promote the travelling comfort and the smoothness of anastomat when using, reduce patient tissue bleeding's possibility, increase the suitability of anastomat.

In the present embodiment, the transition surface 6 is a plane, and in other embodiments, the transition surface 6 may be a curved surface, and the arrangement of the transition surface 6 may be adjusted according to practical situations, as shown in fig. 1 and 2.

As shown in fig. 5 and 6, the nail guiding tables 3 are respectively arranged at two ends of the nail outlet 7, and a guiding groove for guiding the anastomat 8 is arranged at one side of the nail guiding table 3 close to the nail outlet 7. After the nail bin assembly is used for discharging nails, the guide grooves lengthen the guide and limit paths for the nail legs of the anastomat 8, so that the anastomat 8 can smoothly enter the nail grooves after being used for discharging nails, and accordingly suturing operation is carried out according to requirements, and suturing effect of the anastomat during suturing is guaranteed. And the guide groove can also enable the movement track of the anastomat 8 to be smoother when the anastomat is ejected, so that the stability of the anastomat 8 in the ejected state is ensured, and the stability of the anastomat in the using process is further ensured.

In this embodiment, the distance between the two staple guide tables 3 corresponding to the same staple ejection hole 7 is a migration gap for the migration of the tissue to be stapled. The setting of the migration gap can provide a space for the tissues to migrate, so that when the anastomat performs anastomosis on the tissues to be anastomosed, the tissues to be anastomosed can adjust the pressure between the tissues through the migration, and the pressure between the tissues to be anastomosed is further equally divided, and the friendliness and the applicability of the anastomat to patients during anastomosis are improved. In other embodiments, the nail guiding tables 3 arranged at two ends of the nail hole 7 can also be connected around the edge of the nail hole 7, and the arrangement mode of the nail guiding tables 3 can be adjusted according to actual conditions.

Wherein the end of the nail hole 7 is arc-shaped, and the guiding groove surrounds the end of the nail hole 7. In the present embodiment, the end of the nail hole 7 is smoothly connected with the guide groove, and the cross-sectional shape of the guide groove in the direction perpendicular to the length direction of the guide groove is circular arc. The guide groove is smoothly connected with the staple outlet 7, so that the stability of the staples 8 in staple outlet can be enhanced. In other embodiments, the end of the nail hole 7 may be linear or square, and the shape of the end of the nail hole 7 may be adjusted according to the requirements. In other embodiments, the cross-sectional shape of the guiding groove may be square, and the cross-sectional shape of the guiding groove may be adjusted according to practical requirements.

In this embodiment, the nail guiding table 3 has two support portions 4, the support portions 4 are disposed from the end portions of the nail hole 7 toward the middle of the nail hole 7, the support portions 4 are disposed along the extending direction of the nail hole 7, and the two support portions 4 are disposed on two sides of the nail hole 7. The supporting part 4 is used for supporting the nail guiding table 3, the stability of the nail guiding table 3 is improved, when the nail guiding table 3 is contacted with tissues, toppling is not easy to occur, the phenomenon that tissue displacement occurs due to toppling of the nail guiding table 3 when the anastomat is anastomosed is prevented, after toppling of the nail guiding table 3 occurs, part of the nail guiding table 3 can fall off from the anastomotic surface 2 to form fragments, the fragments can be left in a patient, and if a doctor does not find and take out all the fragments in the patient in time, hidden hazards can be brought to the health of the patient by the fragments left in the patient.

In detail, the edge of the nail guiding table 3 is rounded. The edges of the guide nail table 3 are all round corners, so that damage to tissues during clamping of the anastomat can be reduced. In other embodiments, the edge of the guide table 3 may be other structures that mitigate tissue damage during clamping.

In this embodiment, the support 4 tapers in height in a direction away from the end of the staple hole 7. When the anastomat is used for anastomosing tissues to be detected, more migration space can be reserved for the tissues, so that the tissues in the anastomat can be conveniently migrated, the effect of the anastomat on tissue clamping is ensured, and meanwhile, the damage of the anastomat on the tissues is reduced. In other embodiments, the height of the supporting portion from the end of the nail hole to the middle of the nail hole is uniform, and the design of the supporting portion 4 can be adjusted according to the requirement. In this embodiment, the maximum height of the protrusion of the staple guide table 3 is 0.5 mm along the direction perpendicular to the mating surface 2. The 0.5 mm is the data obtained after the experiment, and in other embodiments, the maximum height of the protrusion of the nail guiding table 3 along the direction perpendicular to the anastomosis surface 2 can be adjusted according to the actual situation.

In this embodiment, the staple guide table 3 is integrally formed with the cartridge body 1. In other embodiments, the staple guide table 3 and the cartridge body 1 may be connected together in other ways, so long as the tightness of the connection is ensured when connected.

The utility model also provides an anastomat, which comprises an upper clamping plate, a lower clamping plate, a handle, a pushing mechanism and the nail bin assembly, wherein the nail bin assembly is arranged in the lower clamping plate.

In summary, through setting up the transitional surface at the entering end of nail storehouse body, make waiting to anastomose the tissue after getting into the anastomat, can be along the gentle entering of transitional surface in the anastomat, prevent waiting to anastomose the tissue by being located protruding scratch or the fish tail of front end, and cause patient tissue bleeding, and the anastomat is when the kissing, the power that first guide nail platform received is great, the transitional surface can improve first guide nail platform's intensity and stability, comfort and smoothness when having promoted the anastomat when using, reduce patient tissue bleeding's possibility, increase the suitability of anastomat.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A staple cartridge assembly of a stapler, characterized in that: the nail bin assembly is provided with a nail bin body and anastomotic nails arranged in the nail bin body, one end of the nail bin body is an inlet end, when the nail bin assembly performs anastomosis, tissue to be anastomosed enters the anastomat from the inlet end, the nail bin body is provided with an anastomotic surface, a nail outlet hole used for ejecting the anastomotic nails is formed in the anastomotic surface and close to the inlet end, a nail guiding table is further arranged on the anastomotic surface and corresponds to the nail outlet hole, the nail guiding table is provided with a top surface used for compressing the tissue to be anastomosed, the nail outlet hole comprises a first nail outlet hole close to the inlet end, the nail guiding table comprises a first nail guiding table arranged corresponding to the first nail outlet hole, a transition surface is arranged between the top surface of the first nail guiding table and the anastomotic surface, the transition surface is arranged on one side of the first nail guiding table towards the inlet end, and the part of the anastomotic surface corresponding to the inlet end is communicated with the top surface through the transition surface.

2. The stapler cartridge assembly of claim 1, wherein: the two ends of the nail outlet hole are respectively provided with the nail guiding table, and one side of the nail guiding table, which is close to the nail outlet hole, is provided with a guiding groove for guiding the anastomotic nail.

3. The stapler cartridge assembly of claim 1, wherein: the distance between the two nail guide tables corresponding to the same nail outlet hole is a migration gap for the migration of the tissues to be anastomosed.

4. The stapler cartridge assembly of claim 2, wherein: the end of the nail outlet hole is arc-shaped, and the guide groove surrounds the end of the nail outlet hole.

5. The stapler cartridge assembly of claim 2, wherein: the guide groove has a circular arc shape in a cross section perpendicular to a length direction of the guide groove.

6. The stapler cartridge assembly of claim 1, wherein: the nail guiding table is provided with two supporting parts, the two supporting parts are arranged from the end parts of the nail outlet holes towards the middle parts of the nail outlet holes, the two supporting parts are arranged along the extending direction of the nail outlet holes, and the two supporting parts are respectively arranged at two sides of the nail outlet holes.

7. The stapler cartridge assembly of claim 1, wherein: the edge of the nail guiding table is a round angle.

8. The stapler cartridge assembly of claim 6, wherein: the support portion is tapered in height in a direction away from the nail hole end.

9. The stapler cartridge assembly of claim 1, wherein: along the direction vertical to the anastomotic surface, the maximum height of the nail guide table bulge is 0.5 millimeter.

10. A stapler comprising an upper jaw, a lower jaw, a handle, a pushing mechanism, and a cartridge assembly according to any one of claims 1 to 9, wherein the cartridge assembly is mounted within the lower jaw.