CN217723581U - Nail bin assembly for closer - Google Patents

Abstract

The utility model relates to a nail storehouse subassembly for closer, including last nail storehouse and lower nail storehouse, go up and be provided with a plurality of first holes of placing that are used for placing the anastomosis nail on the nail storehouse, the hole is placed with first second that places hole matched pair position on the lower nail storehouse and be provided with a plurality of being used for placing the anastomosis nail, and after nail storehouse and lower nail storehouse were gone up in the activation, first hole of placing and second placed downthehole anastomosis nail and passed the chamber way and form the oppression to the chamber way tissue. According to the scheme, when the patient cavity is cut and sutured, after the upper anastomosis nail and the lower anastomosis nail are activated, the baffle is preset in the cavity, so that the anastomosis nail in the first placing hole penetrates through the cavity and then bends and deforms under the action of the baffle and extrudes cavity tissues, the anastomosis nail in the second placing hole penetrates through the cavity and then bends and deforms under the action of the baffle and extrudes the cavity tissues, tissues on the cavity wall are sutured, the cavity forms a channel, and the cut and separated tissues are taken out of the cavity which forms the channel conveniently.

Description

Nail bin assembly for closer

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to nail storehouse subassembly for closer.

Background

The closer is a device used in medicine to replace manual suture, and the main working principle is to use anastomotic nails to perform separation or anastomosis on tissues, similar to a stapler; according to different application ranges, the surgical instrument can be mainly divided into a skin closer, a circular digestive tract closer, a rectum closer, a circular hemorrhoid closer, a circumcision closer, a blood vessel closer, a hernia closer, a lung cutting and suturing device and the like.

Although current closer is cutting the tissue and sewing up the incision has good effect, in the in-service use utility model people find that current closer still has not enough, specifically lies in:

most of the nail bin components of the existing closer are matched with the nail bin and the nail anvil, when a patient tissue is sutured, an operator controls the closer to enable the tissue to be located between the nail bin and the nail anvil, and enable the anastomosis nails on the nail bin to penetrate into the tissue and to be matched with the nail anvil, so that the tissue is sutured, however, for the operation that some cavity channels are cut and part of cut tissue is taken out from the cavity channels, taking a hysterectomy operation as an example, when the existing nail bin components are used for cutting and suturing the cavity channels of the uterus and the cervix, the cut cavity channels connected with the cervix can be closed, the cavity channels connected with the cervix are difficult to form channels for taking out the cut uterus, and the existing nail bin components are difficult to be suitable for the operation that the cavity channels are cut and part of cut tissue is taken out from the cavity channels.

Therefore, in view of the above problems, there is a need to design a cartridge assembly for a closure device suitable for a surgical operation of cutting a cavity and taking out a cut portion of tissue from the cavity.

Disclosure of Invention

The utility model aims to provide a: aiming at the defects of the existing nail bin assembly in the using process, the nail bin assembly for the closer is provided.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a nail storehouse subassembly for closer, includes staple storehouse and lower staple storehouse, be provided with a plurality of first holes of placing that are used for placing the anastomotic nail on going up the staple storehouse, the position that is mated with first hole of placing on the lower staple storehouse is provided with a plurality of second holes of placing the anastomotic nail, after activating go up staple storehouse with lower staple storehouse, first hole of placing and the downthehole anastomotic nail of second placing pass the chamber way and form the oppression to the chamber way tissue.

As a preferential technical scheme of this application, be provided with first spacing block group in the first hole of placing, first spacing block group is used for controlling the anastomotic nail to be in the first position of placing in the hole, and/or, the second is placed and is provided with the spacing block group of second in the hole, the spacing block group of second is used for controlling the anastomotic nail to be in the second position of placing in the hole.

As the prior technical scheme of this application, first spacing block group includes a plurality of first stoppers, arbitrary the accommodation space that first stopper formed is the rectangle that the shape is different, and/or, second spacing block group includes a plurality of second stoppers, arbitrary the accommodation space that the second stopper formed is the rectangle that the shape is different.

As the preferential technical scheme of this application, first place the hole and set up for the multirow, every row includes a plurality of first place the hole, be located with one row first place separate mutually between the hole and be formed with first vacancy, different row stagger mutually between the first vacancy, and/or, the hole is placed for the multirow setting to the second, and every row includes a plurality of the hole is placed to the second, is located with one row the second is placed and is separated mutually between the hole and be formed with the second vacancy, different row stagger mutually between the second vacancy.

In the preferred embodiment of the present invention, at least one first placement hole is present in any position on the first recess in the longitudinal direction perpendicular to the first placement hole array, and/or at least one second placement hole is present in any position on the second recess in the longitudinal direction perpendicular to the second placement hole array.

As a preferential technical scheme of the application, a first rail is arranged on the upper nail bin and used for being matched with a push block on the closer to push out anastomotic nails from the first placing hole, a second rail is arranged on the lower nail bin and used for being matched with the push block on the closer to push out anastomotic nails from the second placing hole.

As a preferential technical solution of this application, the first hole of placing is connected with first sliding block, be provided with on the first sliding block with the first spout of the ejector pad to the adaptation on the closure, after activating first sliding block, first hole of placing removes and makes first spout is in the position of first hole of placing.

As the preferential technical scheme of this application, still be provided with reset spring on the first sliding block, reset spring is used for the back the activation first sliding block resumes to the state before the activation.

As the preferential technical scheme of this application, it places the hole to be provided with a plurality of third that is used for placing the anastomotic nail on the nail storehouse to go up, down on the nail storehouse with the third place the matched position in hole and be provided with a plurality of and anastomotic nail matched with guide slot, be provided with in the guide slot and be the slope form or the cambered surface form's guide surface, the incline direction or the crooked direction of guide surface and the crooked direction looks adaptation of predetermineeing of anastomotic nail.

As a preferred embodiment of the present application, the first placement hole and/or the second placement hole and/or the third placement hole have rounded edges.

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

according to the scheme, the nail bin assembly for the closer comprises an upper nail bin and a lower nail bin, wherein a plurality of first placing holes used for placing anastomosis nails are formed in the upper nail bin, a plurality of second placing holes used for placing the anastomosis nails are formed in the part, matched with the first placing holes, of the lower nail bin, when a patient cavity is cut and sutured, after the upper anastomosis nails and the lower anastomosis nails are activated, baffles are preset in the cavity, so that the anastomosis nails in the first placing holes penetrate through the cavity and then bend and deform under the action of the baffles and extrude cavity tissue, the anastomosis nails in the second placing holes penetrate through the cavity and then bend and deform under the action of the baffles and extrude the cavity tissue, so that the tissue on the wall of the cavity is sutured, the cavity forms a channel, and the cut and separated tissue can be conveniently taken out of the cavity forming the channel;

the first placing hole is connected with a first sliding block, a first sliding groove matched with a pushing block on the closer is arranged on the first sliding block, after the first sliding block is activated, the first placing hole moves and enables the first sliding groove to move to the position of the first placing hole, when the pushing block is pushed to move in a first track, the pushing block passes through the first sliding groove, the first placing hole matched with the activated first sliding block is not acted by the pushing block, anastomotic nails on the first placing hole are still in the first placing hole, the position of the first placing hole is adjusted by activating a plurality of first sliding blocks, when suturing is carried out, the quantity of anastomotic nails penetrating into cavity channel tissues and the interval between two adjacent anastomotic nails can be adjusted along with the conditions of different patients, for example, a hysterectomy surgery is taken, when the flexibility of a patient cavity channel is poor, the gap between the two adjacent anastomotic nails is enlarged, namely, a part of the first placing hole is activated, so that part of anastomotic nails do not facilitate the penetration into the tissues, the gap between the two adjacent anastomotic nails is large, the uterus channel is expanded to meet the requirement that the requirement of the incision of the uterus of the incision of the first sliding block after the anastomosis nails, and the incision of the remaining anastomotic nails is taken out of the cavity channel tissue, and the remaining anastomotic nails, so that the residual uterus can be taken out.

Description of the drawings:

FIG. 1 is a schematic structural view of one embodiment of a staple cartridge assembly for a closure according to the present application;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 of a staple cartridge assembly for a closure according to the present application;

FIG. 3 is an enlarged structural view of a portion B of FIG. 1 of a staple cartridge assembly for a closure according to the present application;

FIG. 4 is a schematic view of one embodiment of a staple cartridge assembly for a closure according to the present disclosure;

FIG. 5 is a schematic view of one embodiment of an upper staple cartridge in a staple cartridge assembly for a closure according to the present application;

FIG. 6 is an enlarged view of portion C of FIG. 5 of a staple cartridge assembly for a closure according to the present application;

FIG. 7 is a schematic structural diagram of one embodiment of a first sliding block in a staple cartridge assembly for a closure according to the present application;

FIG. 8 is an enlarged view of section D of FIG. 7 of a staple cartridge assembly for a closure according to the present application;

FIG. 9 is a schematic view of one embodiment of a lower staple cartridge in a staple cartridge assembly for a closure according to the present application;

FIG. 10 is an enlarged view of section E of FIG. 9 of a staple cartridge assembly for a closure according to the present application;

FIG. 11 is a schematic structural view of one embodiment of a second slider in a staple cartridge assembly for a closure according to the present application;

FIG. 12 is an enlarged view of portion F of FIG. 11 of a staple cartridge assembly for a closure according to the present application;

the following are marked in the figure: 1-upper nail bin, 2-lower nail bin, 3-first placing hole, 4-second placing hole, 5-first limiting block group, 6-second limiting block group, 7-first limiting block, 8-second limiting block, 9-first track, 10-second track, 11-first sliding block, 12-first sliding groove, 13-second sliding block, 14-second sliding groove, 15-reset spring, 16-third placing hole and 17-guide 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 some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments 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" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted 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 with reference to figures 1-12,

the nail bin assembly for the closer comprises an upper nail bin 1 and a lower nail bin 2, wherein a plurality of first placing holes 3 used for placing anastomotic nails are formed in the upper nail bin 1, a plurality of second placing holes 4 used for placing anastomotic nails are formed in the portion, matched with the first placing holes 3, of the lower nail bin 2, and after the upper nail bin 1 and the lower nail bin 2 are activated, the anastomotic nails in the first placing holes 3 and the second placing holes 4 penetrate through a cavity channel to compress the cavity channel tissue. The nail bin assembly for the closer comprises an upper nail bin 1 and a lower nail bin 2, wherein a plurality of first placing holes 3 used for placing anastomotic nails are formed in the upper nail bin 1, a plurality of second placing holes 4 used for placing anastomotic nails are formed in the portions, matched with the first placing holes 3, of the lower nail bin 2, when a patient cavity is cut and sutured, after the upper anastomotic nails and the lower anastomotic nails are activated, baffles are preset in the cavity, the anastomotic nails in the first placing holes 3 penetrate through the cavity and then bend and deform under the action of the baffles and extrude the cavity tissue, the anastomotic nails in the second placing holes 4 penetrate through the cavity and then bend and deform under the action of the baffles and extrude the cavity tissue, the tissue on the wall of the cavity is sutured, the cavity forms a channel, and the cut and separated tissue can be taken out of the cavity which forms the channel conveniently.

As a preferred embodiment, on the basis of the above manner, further, a first limiting block group 5 is disposed in the first placement hole 3, where the first limiting block group 5 is used to control the position of the staples in the first placement hole 3, and/or a second limiting block group 6 is disposed in the second placement hole 4, where the second limiting block group 6 is used to control the position of the staples in the second placement hole 4. Set up first spacing block group 5 in first placing hole 3, before using the closer to sew up, install the anastomosis nail in first placing hole 3, according to the different wall thickness of chamber way and choose for use the anastomosis nail of different models, at the in-process of placing first placing hole 3 with the anastomosis nail of will agreeing with, first spacing block group 5 and the anastomosis nail phase-match of choosing for use make the anastomosis nail be in the first predetermined position of placing in hole 3, to the control that the anastomosis nail stretches into in the chamber way tissue when being convenient for sew up, the effect of second spacing block group 6 in second placing hole 4 is with the first effect of placing first spacing block group 5 in hole 3.

As a preferred embodiment, on the basis of the above manner, further, the first stopper group 5 includes a plurality of first stoppers 7, and the accommodating spaces formed by any first stoppers 7 are rectangles with different shapes, and/or the second stopper group 6 includes a plurality of second stoppers 8, and the accommodating spaces formed by any second stoppers 8 are rectangles with different shapes. First spacing block group 5 includes a plurality of first stoppers 7, the accommodation space that arbitrary first stopper 7 formed is the rectangle that the shape is different, when using the anastomosis nail, the anastomosis nail is provided with the fitting piece and first places hole 3 phase-match usually, the fitting piece breaks away from each other with the anastomosis nail after sewing up, through the shape of the fitting piece on the presetting anastomosis nail, make the fitting piece and the shape phase-match of the accommodation space that one of them stopper formed and hold the anastomosis nail card in first placing hole 3, set up the accommodation space that forms into the rectangle through with the stopper, the production and processing of anastomosis nail of being convenient for, the anastomosis nail has strengthened simultaneously and has been in the first stability of placing hole 3, the second places the effect of the second spacing block group 6 in the hole 4 and the first effect of placing the first spacing block group 5 in the hole 3.

In a preferred embodiment, in addition to the above-mentioned embodiment, the first holes 3 are provided in a plurality of rows, each row including a plurality of the first holes 3, the first holes 3 in the same row being spaced apart from each other to form first spaces, and the first spaces in different rows being offset from each other, and/or the second holes 4 are provided in a plurality of rows, each row including a plurality of the second holes 4, the second holes 4 in the same row being spaced apart from each other to form second spaces, and the second spaces in different rows being offset from each other. The first placing holes 3 are arranged into multiple rows, each row comprises a plurality of first placing holes 3, the first placing holes 3 which are positioned in the same row are separated from one another and form first gaps, the first gaps in different rows are staggered, when anastomotic nails in two adjacent first placing holes 3 in the same row sew the lumen tissue, a gap exists between the two anastomotic nails, so that the tissue is not extruded and the blood vessel is not pressed closed, and the first gaps in different rows are staggered, so that the blood vessel of the tissue which is not extruded between the two adjacent anastomotic nails can be pressed closed by the anastomotic nails in other rows, thereby improving the sewing effect of the anastomotic nails; the effect of the second placing holes 4 arranged in a plurality of rows is the same as the effect of the first placing holes 3 arranged in a plurality of rows.

In a preferred embodiment, in addition to the above-described embodiment, at least one first placing hole 3 is present at any position in the first space in a longitudinal direction perpendicular to the arrangement of the first placing holes 3, and/or at least one second placing hole 4 is present at any position in the second space in a longitudinal direction perpendicular to the arrangement of the second placing holes 4. In the length direction perpendicular to the arrangement of the first placing holes 3, at least one first placing hole 3 is arranged at any position of the first vacancy, so that after the luminal tissue is sutured, at least one anastomosis nail is arranged in the gap between every two adjacent anastomosis nails in the length direction perpendicular to the arrangement of the anastomosis nails, thereby further facilitating the occlusion of blood vessels on the luminal tissue and improving the suturing effect; in the length direction perpendicular to the arrangement of the second placing holes 4, at least one second placing hole 4 is formed in any position of the second gap, so that after the lumen tissue is sutured, at least one anastomosis nail is formed in the gap between every two adjacent anastomosis nails in the length direction perpendicular to the arrangement of the anastomosis nails, the pressure closure of blood vessels on the lumen tissue is further facilitated, and the suturing effect is improved.

The second embodiment: as shown with reference to figures 1-12,

the difference between the present embodiment and the first embodiment is: the upper nail bin 1 is provided with a first rail 9, the first rail 9 is used for being matched with a push block on the closer to push out the staples from the first placing hole 3, the lower nail bin 2 is provided with a second rail 10, and the second rail 10 is used for being matched with the push block on the closer to push out the staples from the second placing hole 4. When the stapler is used, anastomotic nails are placed in the first placing holes 3, and the pushing block on the closer is matched to enable the pushing block to slide on the first tracks 9 and push the anastomotic nails in the first placing holes 3 out of the upper staple cartridge 1 and extend into the cavity tissue, so that the cavity tissue is sutured; the second rail 10 is arranged below the lower nail bin 2, when the suturing nail rack is used, the anastomotic nails are placed in the second placing holes 4, and the pushing block below the closer is matched, so that the pushing block slides under the second rail 10, pushes the anastomotic nails in the second placing holes 4 out of the lower nail bin 2 and stretches into cavity and tract tissues, and suturing of the cavity and tract tissues is achieved.

In a preferred embodiment, in addition to the above-mentioned mode, a first sliding block 11 is further connected to the first placement hole 3, a first sliding slot 12 that is matched with a pushing block on the closer is provided on the first sliding block 11, and when the first sliding block 11 is activated, the first placement hole 3 moves and the first sliding slot 12 is located at the position of the first placement hole 3. The first placing hole 3 is connected with a first sliding block 11, and a first sliding chute 12 matched with a pushing block on the closer is arranged on the first sliding block 11, after the first sliding block 11 is activated, the first placing hole 3 moves and the first sliding chute 12 moves to the position of the first placing hole 3, so that when the pushing block is pushed to move in the first track 9, the pushing block passes through the first sliding chute 12, so that the first placing hole 3 matched with the activated first sliding block 11 is not acted by the pushing block, staples on the first placing hole 3 are still in the first placing hole 3, the position of the first placing hole 3 is adjusted by activating a plurality of first sliding blocks 11, when suturing is carried out, the number of staples penetrating into the tissue of the cavity channel in the first placing hole 3 and the interval between two adjacent staples can be adjusted along with the conditions of different patients, taking as an example of a hysterectomy surgery, when the flexibility of the cavity channel of a patient is poor, the gap between two adjacent staples is enlarged, namely the first activating part of the first placing hole 11, so that the staple does not penetrate into the tissue of the cavity channel, thereby the uterus incision tissue after the uterus incision is taken out, and the uterus incision tissue is convenient for taking out of the uterus.

In a preferred embodiment, in addition to the above-mentioned mode, a second sliding block 13 is connected to the second placing hole 4, a second sliding slot 14 adapted to a pushing block on the closer is provided on the second sliding block 13, and when the second sliding block 13 is activated, the second placing hole 4 moves and the second sliding slot 14 is located at the position of the second placing hole 4.

In a preferred embodiment, in addition to the above-described aspect, a return spring 15 is further provided to the first slide block 11, and the return spring 15 is used to return the activated first slide block 11 to a state before activation. Still set up reset spring 15 on first slider, reset spring 15 has the reset function, after the first slider 11 of activation, through control reset spring 15 for the first slider 11 after the activation resumes to the state before the activation, thereby realizes penetrating the tissue with the anastomotic nail of the first slider 11 assorted after the restoration and sews up, and the medical personnel of being convenient for operate.

In a preferred embodiment, in addition to the above-described aspect, a return spring 15 is provided in the second slider 13, and the return spring 15 is used to return the activated second slider 13 to a state before activation.

In addition to the above-mentioned embodiments, in a preferred embodiment, a plurality of third placement holes 16 for placing staples are provided in the upper magazine 1, a plurality of guide grooves 17 matched with the staples are provided in a portion of the lower magazine 2 matched with the third placement holes 16, a guide surface having an inclined shape or an arc surface shape is provided in the guide grooves 17, and an inclined direction or a bending direction of the guide surface is matched with a preset bending direction of the staples. Set up a plurality of on last nail storehouse 1 and be used for placing the third of anastomotic nail and place hole 16, place the hole on lower nail storehouse 2 and match on the part with the third and set up a plurality of guide slot 17 with anastomotic nail matched with to be provided with the surface of slope or cambered surface in the straw, the slope direction or the crooked direction of surface of guide and the anastomotic nail predetermine crooked direction looks adaptation, when using, anastomotic nail and guide slot 17 cooperate, thereby make the anastomotic nail crooked and realize closing the sutural purpose to the chamber.

As a preferred embodiment, in addition to the above-mentioned mode, further, the edges of the first placing hole 3 and/or the second placing hole 4 and/or the third placing hole 16 are rounded. When the upper nail bin 1 and the lower nail bin 2 extrude the cavity channel, the placing holes (the first placing hole 3, the second placing hole 4 and the third placing hole 16 are collectively called) contact the tissue surface of the cavity channel, and the situation that edges and corners extrude the cavity channel and scratch the surface of the cavity channel due to the edges of the placing holes is greatly reduced.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, so that any modifications or equivalent substitutions can be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.

Claims (9)

1. A staple cartridge assembly for a closer is characterized in that: the upper nail bin is provided with a plurality of first placing holes for placing anastomotic nails, a plurality of second placing holes for placing anastomotic nails are arranged at the part, matched with the first placing holes, of the lower nail bin, and after the upper nail bin and the lower nail bin are activated, the anastomotic nails in the first placing holes and the second placing holes pass through a cavity channel to press cavity channel tissues.

2. The staple cartridge assembly for a closure of claim 1, wherein: the first placing hole is internally provided with a first limiting block group which is used for controlling the position of the anastomosis nail in the first placing hole, and/or the second placing hole is internally provided with a second limiting block group which is used for controlling the position of the anastomosis nail in the second placing hole.

3. The staple cartridge assembly for a closure of claim 2, wherein: the first limiting block group comprises a plurality of first limiting blocks, and optionally, the accommodating space formed by the first limiting blocks is a rectangle with different shapes, and/or the second limiting block group comprises a plurality of second limiting blocks, and optionally, the accommodating space formed by the second limiting blocks is a rectangle with different shapes.

4. The staple cartridge assembly for a closure of claim 1, wherein: the first hole of placing is the multirow setting, and every row includes a plurality of the first hole of placing, is located with one row the first hole of placing separates mutually and is formed with first vacancy between the hole, and different rows stagger mutually between the first vacancy, and/or the hole is placed for the multirow setting to the second, and every row includes a plurality of the hole is placed to the second, is located with one row the second is placed and is separated mutually between the hole and be formed with the second vacancy, and different rows stagger mutually between the second vacancy.

5. The staple cartridge assembly for a closure of claim 4, wherein: at least one first placing hole is present at any position on the first vacancy in the length direction perpendicular to the first placing hole array, and/or at least one second placing hole is present at any position on the second vacancy in the length direction perpendicular to the second placing hole array.

6. The staple cartridge assembly for a closure of any one of claims 1-5, wherein: the upper staple box is provided with a first rail which is used for being matched with a push block on the closer to push out anastomotic staples from the first placing hole, the lower staple box is provided with a second rail which is used for being matched with the push block on the closer to push out the anastomotic staples from the second placing hole.

7. The staple cartridge assembly for a closure of claim 6, wherein: the first placing hole is connected with a first sliding block, a first sliding groove matched with the pushing block on the closer in the direction is formed in the first sliding block, and after the first sliding block is activated, the first placing hole moves and enables the first sliding groove to be located at the position of the first placing hole.

8. The cartridge assembly for a closure of claim 7, wherein: and the first sliding block is also provided with a return spring, and the return spring is used for restoring the first sliding block after activation to a state before activation.

9. The staple cartridge assembly for a closure of claim 6, wherein: the upper nail bin is provided with a plurality of third placing holes for placing anastomotic nails, the lower nail bin is provided with a plurality of guide grooves matched with the anastomotic nails at the positions matched with the third placing holes, the guide grooves are internally provided with inclined or arc-surface guide surfaces, and the inclined direction or the bending direction of the guide surfaces is matched with the preset bending direction of the anastomotic nails.

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