CN217645273U - Anastomat adopting split type anastomotic nail forming mode - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to an anastomat adopting a split type anastomotic nail forming mode, which comprises a nail supporting seat; the nail holder seat is arranged on the nail abutting seat; the nail clamp is arranged on the nail clamp seat and is provided with a fixing groove; the nail bin assembly is opposite to the nail abutting seat; and the staple, it sets up on the nail storehouse subassembly, the nail presss from both sides and the corresponding setting of staple, be provided with the propelling movement subassembly that is used for promoting the staple to break away from the nail storehouse subassembly on the nail storehouse subassembly, staple and fixed slot phase-match, the utility model discloses be different from type "B" style of calligraphy structure and rely on the staple to be extruded into the nail groove and produce plastic deformation, directly form a special staple by processing, type "II" style of calligraphy behind the shaping, this kind of staple forming mode is compared in type "B" style of calligraphy structure more stably can just control at the part state, enables the apparatus result of use more stable, and fundamentally stops the oozing blood condition.

Description

Anastomat adopting split type anastomotic nail forming mode

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to an adopt anastomat of split type anastomotic nail shaping mode.

Background

In the current surgical operation, the formed shape of the staple in the anastomat is generally a structure similar to a B shape, the structure is widely applied and has a simple structure, but the staple may have poor forming or no forming in the forming process, and the condition can cause blood seepage at the source cutting position; and because the nail pushing seat nail groove can generate larger internal stress by stamping, the deformation is serious, the part reject ratio is higher, and the processing process and the processing cost are difficult in the aspects of the processing cost of the parts and the use performance of the parts on products.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems of poor forming or no forming of the anastomosis nail of the existing anastomat in the operation and the bleeding at the source cutting position, the anastomat adopting the split type anastomosis nail forming mode is provided.

The utility model provides a technical scheme that its technical problem adopted is: an anastomat adopting a split type anastomosis nail forming mode comprises:

a nail abutting seat;

the nail holder seat is arranged on the nail abutting seat;

the nail clamp is arranged on the nail clamp seat and is provided with a fixing groove;

the nail bin assembly is opposite to the nail abutting seat;

the staple cartridge assembly is provided with a pushing assembly used for pushing the staples to be separated from the staple cartridge assembly, the staples are matched with the fixing grooves, a first limiting mechanism used for limiting the staples to be separated from the staple cartridge assembly is arranged between the staples and the staple clip, when the staple cartridge assembly is used, the staples are pushed to be separated from the staple cartridge assembly through the pushing assembly, meanwhile, when one end of the staples penetrates through tissues and is inserted into the fixing grooves, the staples are abutted against the staple clip seat to separate the staple clip from the staple clip seat, and the tissues are anastomosed between the staples and the staple clip. Compare in current integral type coincide nail extrusion deformation, this scheme is components of a whole that can function independently structural style with the setting of coincide nail, and its structure is more stable to the part state is controllable, and the result of use is more reliable and more stable.

Furthermore, a first placing groove matched with the nail clamp is formed in the nail clamp seat, the nail clamp is arranged in the first placing groove, and a convex first clamping point is arranged on the contact surface of the inner side wall of the nail clamp and the nail clamp seat, so that the nail clamp and the nail clamp seat are in interference fit. The first clamping point deforms through extrusion, so that the nail clamp and the nail clamp seat are in interference fit.

Furthermore, a second placing groove matched with the nail holder is formed in the nail holder, the nail holder is arranged in the second placing groove, and a convex second clamping point is arranged on the contact surface of the inner side wall of the nail holder and the nail holder, so that the nail holder and the nail holder are in interference fit. The second clamping point deforms through extrusion, so that the nail clamping seat and the nail abutting seat are in interference fit.

In order to realize the first limiting mechanism, the first limiting mechanism further comprises a hook groove formed in the inner peripheral wall of the fixing groove, a hook is arranged on the anastomosis nail and matched with the hook groove, and the hook is clamped in the hook groove. The hook is clamped in the hook groove, so that the anastomosis nail and the nail clip are limited and prevented from being separated from each other.

Furthermore, the anastomosis nail comprises a nail seat and nail legs arranged on the nail seat, the clamping hooks are arranged on the nail legs, and the clamping hooks are axially arranged along the nail legs. The clamping hooks can select the anastomotic ratio of the anastomotic nail according to the tissue condition, so that the tissue anastomosis is stable and reliable, and the phenomenon of too tight anastomosis or too loose anastomosis can not occur.

Furthermore, the clamping hook is of an annular structure, and the clamping hook takes the long axis of the nail leg as the central rotation axis.

In order to prevent the tissue from slipping, further, a first bulge is arranged on the anastomosis nail, the first bulge is positioned on the end surface of one side, close to the nail clamp, of the anastomosis nail, a second bulge is arranged on the nail clamp, the second bulge is positioned on the end surface of one side, close to the anastomosis nail, of the nail clamp, and the first bulge and the second bulge are staggered mutually. The first protrusion and the second protrusion which are staggered have a positioning effect on tissues, and the tissue slippage is effectively prevented.

In order to realize the pushing assembly, further, the pushing assembly comprises a pushing sheet and a pressing block, the pressing block is arranged on the nail bin assembly in a sliding mode, a nail groove matched with the anastomosis nails is formed in the nail bin assembly, the anastomosis nails are arranged in the nail groove, the pushing sheet and the anastomosis nails are arranged correspondingly, the pushing sheet is arranged on the anastomosis nails in an abutting mode, a guide surface in contact with the pressing block is arranged on the pushing sheet, the guide surface is an inclined surface, the pressing block is in contact with the guide surface of the pushing sheet, and the anastomosis nails are forced to move and separate from the nail groove. The sliding pressing block slides on the nail bin assembly and pushes the pushing sheet to drive the anastomotic nails to be separated from the nail bin assembly.

Further, the nail bin assembly comprises a nail bin seat and a nail bin arranged on the nail bin seat.

Furthermore, a plurality of groups of anastomosis nail groups are arranged on the nail bin, and the two adjacent groups of anastomosis nail groups are arranged in a staggered manner.

The utility model has the advantages that: the utility model discloses a split type anastomat of anastomotic nail forming mode, it relies on type "B" style of calligraphy structure to rely on the anastomotic nail to be extruded into the nail groove and produces plastic deformation to be distinguished from, directly form a special anastomotic nail by processing, type "II" style of calligraphy behind the shaping, this kind of anastomotic nail forming mode is more stable than type "B" style of calligraphy structure and can just be controlled at the part state, it is more stable to enable the apparatus result of use, fundamentally stops the oozing situation, the bad or not fashioned condition of shaping appears in the operation in the anastomotic nail of having avoided current anastomat, the source cut department oozing situation emergence problem that leads to.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic cross-sectional view of FIG. 2;

FIG. 5 is a partial enlarged view of B in FIG. 4;

FIG. 6 is a schematic view of the installation structure of the nail abutting seat, the nail holder seat and the nail holder of the present invention;

fig. 7 is a schematic view of the installation structure of the middle cartridge assembly and the anastomosis nail of the present invention;

fig. 8 is a schematic view of the assembly structure of the anastomosis nail and the nail holder of the present invention;

fig. 9 is a schematic three-dimensional structure diagram of the middle nail holder of the present invention;

fig. 10 is a schematic three-dimensional structure of the middle nail clamp of the present invention.

In the figure: 1. a nail abutting seat 101 and a second placing groove;

2. the nail holder comprises a nail holder seat 201, a first placing groove 202 and a second clamping point;

3. the nail clamp 301, the fixing groove 302, the first clamping point 303, the hook groove 304 and the second bulge;

4. the nail bin assembly comprises a nail bin assembly 401, a nail bin seat 402, a nail bin 403 and a nail groove;

5. the staple comprises staples 501, staple holders 502, staple legs 503, hooks 504 and a first bulge;

6. the pushing assembly 601, the pushing sheet 602 and the pressing block.

Detailed Description

The utility model discloses the following embodiment of combining does further detailing:

the utility model discloses not confine the following embodiment to, general technical staff in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a scope of protection. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 10, an anastomat using a split type anastomosis nail forming mode comprises:

a nail abutting seat 1;

the nail holder 2 is arranged on the nail abutting seat 1, a second placing groove 101 matched with the nail holder 2 is formed in the nail abutting seat 1, the nail holder 2 is arranged in the second placing groove 101, and a convex second clamping point 202 is arranged on the contact surface of the inner side wall of the nail holder 2 and the nail abutting seat 1, so that the nail holder 2 and the nail abutting seat 1 are in interference fit;

the nail clamp 3 is arranged on the nail clamp seat 2, the nail clamp 3 is provided with two fixing grooves 301, the aperture of each fixing groove 301 is larger than the outer diameter of a nail leg 502 on an anastomotic nail 5, an annular boss extends out of the inner peripheral wall of each fixing groove 301 to form a hook groove 303, the aperture of each hook groove 303 is equal to the bottom diameter of the nail leg 502 on the anastomotic nail 5, a first placing groove 201 matched with the nail clamp 3 is formed in the nail clamp seat 2, the nail clamp 3 is arranged in the first placing groove 201, and convex first clamping points 302 are arranged on the periphery of the contact surface between the inner side wall of the nail clamp 3 and the nail clamp seat 2, so that the nail clamp 3 and the nail clamp seat 2 are in interference fit;

the nail bin assembly 4 is arranged opposite to the nail abutting seat 1, and the nail bin assembly 4 comprises a nail bin seat 401 and a nail bin 402 arranged on the nail bin seat 401 and ensures that the nail bin 402 does not fall off;

the staple cartridge 402 is provided with a plurality of groups of anastomotic staples, two adjacent groups of anastomotic staple groups are arranged in a staggered manner, the staple cartridge assembly 4 is provided with a pushing assembly 6 for pushing the anastomotic staples 5 to be separated from the staple cartridge assembly 4, the anastomotic staples 5 are matched with the fixing grooves 301, a first limiting mechanism for limiting the anastomotic staples 5 to be separated from the staple cartridge assembly 3 is arranged between the anastomotic staples 5 and the staple cartridge 3, when the anastomotic staples 5 are pushed to be separated from the staple cartridge assembly 4 through the pushing assembly 6, and when one ends of the anastomotic staples 5 penetrate through tissues and are inserted into the fixing grooves 301, the anastomotic staples 5 abut against the staple holder 2 to separate the staple holder 3 from the staple holder 2, so that the tissues are anastomosed between the anastomotic staples 5 and the staple holder 3, and the tissues are anastomosed.

The first limiting mechanism comprises a hook groove 303 formed in the inner peripheral wall of the fixing groove 301, a hook 503 is arranged on the anastomosis nail 5, the hook 503 is matched with the hook groove 303, and the hook 503 is clamped in the hook groove 303.

The staple 5 comprises a staple seat 501 and a staple leg 502 arranged on the staple seat 501, wherein the hook 503 is arranged on the staple leg 502, the hook 503 is axially provided with a plurality of threads which are arranged in a circle on the surface along the staple leg 502, one end of the staple leg 502 is sharp and can be punctured, the hook 503 is of an annular structure, and the hook 503 takes the long axis of the staple leg 502 as the central rotation axis.

The staple 5 is provided with a first bulge 504, the first bulge 504 is located on the end face of the staple 5 close to one side of the staple clip 3, the staple clip 3 is provided with a second bulge 304, the second bulge 304 is located on the end face of the staple clip 3 close to one side of the staple clip 5, the second bulge 304 is two and triangular, and the first bulge 504 and the second bulge 304 are staggered.

The pushing assembly 6 comprises a pushing sheet 601 and a pressing block 602, the pressing block 602 is slidably arranged between the nail bin 402 and the nail bin seat 401, a nail groove 403 matched with the anastomotic nail 5 is formed in the nail bin 402, the anastomotic nail 5 is arranged in the nail groove 403, the pushing sheet 601 is arranged corresponding to the anastomotic nail 5, the pushing sheet 601 is abutted against the anastomotic nail 5, a guide surface in contact with the pressing block 602 is arranged on the pushing sheet 601, the guide surface is an inclined surface, and the pushing block 602 is in contact with the guide surface of the pushing sheet 601 to force the anastomotic nail 5 to move and separate from the nail groove 403.

When the stapler adopting the split type staple forming mode is used, the push sheet 601 is pushed upwards in the staple cartridge 402, the push sheet 601 moves upwards to drive the staples 5 to move towards the direction of the staple supporting seat 1 synchronously, the staple clip 3 and the staple clip seat 2 are clamped into an integral assembly after being deformed through the first clamping points 302 on the staple clip 3 and are placed in the second placing groove 101 of the staple supporting seat 1, the clamping points on the periphery of the staple clip seat 2 are tightly matched with the second placing groove 101, the push sheet 601 and the staple cartridge 402 with the staples 5 are clamped below the staple supporting seat 1 with the staple clip 3 and the staple clip seat 2 completely, when the staples 5 are pushed out of the staple groove 403, the sharp top ends of the staples can penetrate into tissues and penetrate through the fixing grooves 301 of the staple clip 3, meanwhile, the staple clip seat 2 is jacked up to separate the staple clip 3 from the staple clip seat 2, the staple clip 3 is clamped on the two staple legs 502 of the staples 5, and a closed structure is formed with the staples 5.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The utility model provides an adopt anastomat of split type anastomosis nail shaping mode which characterized in that includes:

a nail abutting seat (1);

the nail holder seat (2) is arranged on the nail abutting seat (1);

the nail clamp (3) is arranged on the nail clamp seat (2), and the nail clamp (3) is provided with a fixing groove (301);

the nail bin assembly (4) is arranged opposite to the nail abutting seat (1);

and the anastomotic nails (5) are arranged on the nail bin assembly (4), the nail clamps (3) are arranged corresponding to the anastomotic nails (5), a pushing assembly (6) used for pushing the anastomotic nails (5) to be separated from the nail bin assembly (4) is arranged on the nail bin assembly (4), the anastomotic nails (5) are matched with the fixing grooves (301), a first limiting mechanism used for limiting the separation of the anastomotic nails (5) from the nail clamps (3) is arranged between the anastomotic nails (5) and the nail clamps (3), when the anastomotic nails (5) are used, the anastomotic nails (5) are pushed to be separated from the nail bin assembly (4) through the pushing assembly (6), meanwhile, one ends of the anastomotic nails (5) penetrate through tissues and are inserted into the fixing grooves (301), the anastomotic nails (5) are abutted against the nail clamps (2) to separate the nail clamps (3) from the nail clamp seats (2), and the tissues are anastomosed between the anastomotic nails (5) and the nail clamps (3).

2. The stapler adopting the split type staple forming manner according to claim 1, wherein: offer on nail holder (2) with first standing groove (201) of nail clamp (3) assorted, nail clamp (3) set up in first standing groove (201), be provided with first stuck point (302) of evagination on the inside wall of nail clamp (3) and the contact surface of nail holder (2), make interference fit between nail clamp (3) and the nail holder (2).

3. The stapler adopting the split type staple forming manner according to claim 1, wherein: support offer on nail seat (1) with nail holder (2) assorted second standing groove (101), nail holder (2) set up in second standing groove (101), be provided with evagination second stuck point (202) on the inside wall of nail holder (2) and the contact surface that supports nail seat (1), make nail holder (2) and support interference fit between nail seat (1).

4. The stapler adopting a split type staple forming mode according to claim 1, wherein: the first limiting mechanism comprises a hook groove (303) formed in the inner peripheral wall of the fixing groove (301), a hook (503) is arranged on the anastomosis nail (5), the hook (503) is matched with the hook groove (303), and the hook (503) is clamped in the hook groove (303).

5. The stapler adopting the split type staple forming manner according to claim 4, wherein: the anastomosis nail (5) comprises a nail seat (501) and nail legs (502) arranged on the nail seat (501), the clamping hooks (503) are arranged on the nail legs (502), and the clamping hooks (503) are axially arranged along the nail legs (502).

6. The stapler adopting the split type staple forming manner according to claim 5, wherein: the hook (503) is of an annular structure, and the hook (503) takes the long axis of the nail leg (502) as the rotation central axis.

7. The stapler adopting a split type staple forming mode according to claim 1, wherein: the staple (5) is provided with a first bulge (504), the first bulge (504) is located on the end face of the staple (5) close to one side of the staple clamp (3), the staple clamp (3) is provided with a second bulge (304), the second bulge (304) is located on the end face of the staple clamp (3) close to one side of the staple (5), and the first bulge (504) and the second bulge (304) are mutually staggered.

8. The stapler adopting the split type staple forming manner according to claim 1, wherein: the pushing assembly (6) comprises a pushing sheet (601) and a pressing block (602), the pressing block (602) is arranged on the nail bin assembly (4) in a sliding mode, a nail groove (403) matched with the anastomosis nail (5) is formed in the nail bin assembly (4), the anastomosis nail (5) is arranged in the nail groove (403), the pushing sheet (601) and the anastomosis nail (5) are correspondingly arranged, the pushing sheet (601) is arranged on the anastomosis nail (5) in a propping mode, a guide surface in contact with the pressing block (602) is arranged on the pushing sheet (601), the guide surface is an inclined surface, the pressing block (602) is in contact with the guide surface of the pushing sheet (601), and the anastomosis nail (5) is forced to move and separate from the nail groove (403).

9. The stapler adopting a split type staple forming mode according to claim 1, wherein: the nail bin assembly (4) comprises a nail bin seat (401) and a nail bin (402) arranged on the nail bin seat (401).

10. The stapler adopting the split type staple forming manner according to claim 9, wherein: the nail bin (402) is provided with a plurality of groups of anastomosis nail groups, and the two adjacent groups of anastomosis nail groups are arranged in a staggered manner.

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