CN209347122U - Nail bin groupware and circular-pipe anastomat - Google Patents

Abstract

The utility model provides a kind of nail bin groupware and circular-pipe anastomat, belong to medical instruments field, the nail bin groupware includes nail barrel, the nail bin of distal end for being connected to the nail barrel, the supporter that in the nail barrel and distally protrudes out, after the nail bin is connected to the distal end of the nail barrel, at least partly structure function of the supporter is in the inner circumferential of the nail bin；On the one hand, the intensity that can enhance the nail barrel is unlikely to deform the nail barrel；On the other hand, after the nail bin is set to the distal end of the nail barrel, the at least partly structure function of the supporter is in the inner circumferential of the nail bin, it is supported with the inner circumferential to the nail bin, even if making the nail bin when being oppressed by thick tissue, it is also not easy the deformation that slopes inwardly, be more advantageous to the positioning of the anvil pocket on subsequent anastomosis staple and anvil assembly and reduces pushing slice of nail resistance suffered during percussion, the match result for enhancing the circular-pipe anastomat, avoids the occurrence of malpractice.

Description

Nail bin groupware and circular-pipe anastomat

Technical field

The utility model relates to medical instruments field more particularly to a kind of nail bin groupwares and circular-pipe anastomat.

Background technique

Circular-pipe anastomat is the doctor for be commonly used when operation seaming and cutting to physiological tissues such as esophagus, enteron aisle, alimentary canals Instrument is treated, two sections of tissues are containing when coincideing, and portion forms circular anastomosis ring within the organization,

The stapler can make the body bleeding generated in surgical procedure as content is discharged together, and tissue compares after operation It is easy healing.

It is existing to generally comprise stapler ontology for treating gastral circular-pipe anastomat, be flexibly connected described coincide Operating handle on device ontology and the anvil assembly with described this mates of stapler.The stapler ontology includes being set to Anvil pull rod that distal end is matched with the anvil assembly, annular nail bin, annular cutter.The anvil assembly includes nail anvil, is fixed on The nail-anvil hat of its distal end, the knife anvil matched with the annular cutter being arranged in inside nail anvil and can with the anvil pull rod The nail anvil shaft of dismantling connection.

In general, the body tissue at end to be anastomosed is pricked when carrying out cutting anastomosis operation to alimentary canal tissue Pocket, the nail anvil shaft of anvil assembly stretch out one end pocket, and other end of pocket is stretched out in the distal end of the anvil pull rod of stapler ontology, And nail anvil shaft is made to be connected with anvil pull rod, the direction where finally driving the anvil assembly to the stapler ontology is mobile, So that the round tube stapler is reached closed position, in order to fire anastomosis staple and cutter by operating handle, completes machine Body tissue coincide, cuts.The deformation however, nail bin is easily recessed inwardly when being oppressed by thicker body tissue, influences The positioning of nail forming tank on anastomosis staple and nail anvil in nail bin causes nail molding bad, influences the match result of body tissue, Lead to operative failure.

In view of this, it is necessary to provide a kind of new nail bin groupwares and circular-pipe anastomat to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of nail bin groupware and circular-pipe anastomats.

To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution: a kind of nail bin groupware, including nail Cylinder, the nail bin of distal end for being connected to the nail barrel, the supporter that in the nail barrel and distally protrudes out, the nail bin After being connected to the distal end of the nail barrel, at least partly structure function of the supporter in the nail bin inner circumferential to the nail The inner circumferential in storehouse is supported.

As the further improved technical solution of the utility model, the nail bin includes staple cartridge body and is connected to described The convex block that the inner circumferential of staple cartridge body and proximally direction extend；The distal end of the supporter act on the convex block proximal end face or At least partly structure function of supporter described in person is in the inside of the convex block.

As the further improved technical solution of the utility model, the supporter is multiple spaced support chips, The convex block includes multiple sub- convex blocks, and multiple sub- convex blocks and multiple support chips correspond.

As the further improved technical solution of the utility model, the supporter is multiple spaced support chips, Multiple support chips are uniformly distributed along the circumferential direction of the nail barrel.

As the further improved technical solution of the utility model, the supporter is multiple spaced support chips, The support chip include the first support chip protruded out from the inner wall of the nail barrel to the center of the nail barrel, from it is described first support The second support chip that piece is distally protruded out close to the one end at the center of the nail barrel, second support chip and the nail barrel Inner wall between have gap.

As the further improved technical solution of the utility model, the support chip further includes reinforcing rib, the reinforcing rib At least partly structure for connecting first support chip connect second support chip with the nail barrel and/or the reinforcing rib At least partly structure and the nail barrel.

As the further improved technical solution of the utility model, the nail barrel is equipped with nail bin fixed structure, the nail Storehouse is equipped with and is matched with the nail bin fixed structure the nail bin to be connected to the matching piece in the nail barrel.

As the further improved technical solution of the utility model, the supporter is multiple spaced support chips, The nail bin groupware further includes the pushing slice of nail in the nail barrel, and the pushing slice of nail is equipped at least portion for making the support chip The resigning portion that separation structure passes through, it is described after the pushing slice of nail is located in the nail barrel and the nail bin is connected in the nail barrel Support chip passes through the inner circumferential that the resigning portion acts on the nail bin.

As the further improved technical solution of the utility model, the pushing slice of nail includes pushing away with what the nail bin matched Nail portion, be connected to the ejector pin portion proximal end interconnecting piece, the resigning portion be on the interconnecting piece for the support The wears groove that piece passes through, the wears groove penetrates through the pushing slice of nail from proximate, and the wears groove and the support chip are adapted.

As the further improved technical solution of the utility model, the nail bin groupware further includes being connected to the pushing slice of nail On annular cutter, it is described annular cutter be located at side of the support chip far from the nail barrel.

For the purpose for realizing above-mentioned utility model, the utility model also provides a kind of circular-pipe anastomat, including stapler Ontology, the handle being pivotally connected on the stapler ontology, the stapler ontology include shell and are connected to the shell The above-mentioned nail bin groupware of body distal end.

The beneficial effects of the utility model are: the nail bin groupware in the utility model in nail barrel by being arranged to far end party To the supporter protruded out, on the one hand, the intensity that can enhance the nail barrel is unlikely to deform the nail barrel；On the other hand, described After nail bin is set to the distal end of the nail barrel, at least partly structure of the supporter is held in the inner circumferential of the nail bin, with branch The nail bin is supportted, even if making the nail bin when being oppressed by thick tissue, the deformation that slopes inwardly also is not easy, is more advantageous to subsequent kiss Suffered resistance, enhances the circle during the positioning and reduction of anvil pocket on dowel and anvil assembly the pushing slice of nail percussion The match result of tube type anastomat, avoids the occurrence of malpractice.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the nail bin groupware in the utility model first embodiment.

Fig. 2 is the structural schematic diagram of another angle of nail bin groupware shown in FIG. 1.

Fig. 3 be A-A in Fig. 2 to cross-sectional view.

Fig. 4 is the enlarged drawing at the B in Fig. 3.

Fig. 5 is the structural schematic diagram that the nail bin groupware in Fig. 1 removes annular cutter.

Fig. 6 is the structural schematic diagram of the nail barrel in nail bin groupware shown in FIG. 1.

Fig. 7 is the structural schematic diagram of the nail bin in nail bin groupware shown in FIG. 1.

Fig. 8 is the structural schematic diagram of the pushing slice of nail in nail bin groupware shown in FIG. 1.

Fig. 9 is the structural schematic diagram of another angle of pushing slice of nail shown in Fig. 8.

Figure 10 is the structural schematic diagram of the annular cutter in nail bin groupware shown in FIG. 1.

Figure 11 is that the nail bin groupware in the utility model second embodiment removes the structure after annular cutter and pushing slice of nail Schematic diagram.

Figure 12 is the structural schematic diagram of another angle of nail bin groupware shown in Figure 11.

Figure 13 be C-C in Figure 12 to cross-sectional view.

Figure 14 is the enlarged drawing at the D in Figure 13.

Specific embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings, please refers to Fig. 1 to figure It is the better embodiment of the utility model shown in 14.But it should be stated that these embodiments are not to the utility model Limitation, those of ordinary skill in the art according to these embodiments made by equivalent transformation in function, method or structure Or substitution, it belongs within the protection scope of the utility model.

In the utility model it is described expression position and direction word, be using equipment operator as reference, it is close One end of equipment operator is proximal end, and one end far from equipment operator is distal end.

In the embodiments of the present invention, to be used to treat alimentary canal, such as the circular-pipe anastomat of esophagus, enteron aisle is Example does specific elaboration, but it should be stated that, the skill spirit involved in embodiment disclosed below can be by alternatively It is applied on the stapler of other forms.For example, equally applicable in the circular-pipe anastomat of hemorrhoid treating.

It please join shown in Fig. 1 to Figure 10, for the nail bin groupware 1 in the utility model first embodiment and there is the nail bin group The circular-pipe anastomat of part 1.The circular-pipe anastomat is for (herein referring to the physiological tissue that multiple anastomosis staples are applied to human body The alimentary canals such as esophagus, stomach, enteron aisle) on it is identical to be carried out to physiological tissue, meanwhile, corresponding physiological tissue is cut.

The circular-pipe anastomat includes that stapler ontology, the handle being pivotally connected on the stapler ontology (are not schemed Show), with the anvil assembly (not shown) of described this mates of stapler.

The stapler ontology includes the nail bin group of hollow shell (not shown) and the distal end for being connected to the shell Part 1, the grip pivots are connected on the shell.

The circular-pipe anastomat of the utility model, other than nail bin groupware 1, other structures are knot commonly used in the art Structure, details are not described herein；That is, the nail bin groupware 1 in the utility model can be applied to existing and be somebody's turn to do by those skilled in the art In the compatible arbitrary circular-pipe anastomat of nail bin groupware 1；Meanwhile the work of the circular-pipe anastomat in the utility model is former Reason is also known to those of ordinary skill in the art, also repeats no more herein.

The nail bin groupware 1 includes the nail barrel 11 being connected with the distal end of the shell, is connected to the remote of the nail barrel 11 The nail bin 12 at end is connected to the supporter 13 protruded out on the inner wall of the nail barrel 11 and distally, is set to the nail barrel 11 Interior pushing slice of nail 14, the annular cutter 15 being connected on the pushing slice of nail 14.

For the components such as above-mentioned nail barrel 11, nail bin 12, pushing slice of nail 14, annular cutter 15, the inside of each component Refer to the component radially close to the side at its center, opposite outer refers to that the component deviates from its center radially with interior Side.

The supporter 13 is set in the nail barrel 11, on the one hand, the intensity that can enhance the nail barrel 11 makes described Nail barrel 11 is unlikely to deform；On the other hand, after the nail bin 12 is set to the distal end of the nail barrel 11, the supporter 13 is at least Part-structure is held in the inner circumferential of the nail bin 12, is supported, is improved in the prior art to the inner circumferential of the nail bin 12, institute State direction of the nail bin 12 only in the structure of periphery and the fixed support of nail barrel 11, where the anvil assembly to the stapler ontology After being moved to suitable closed position, even if the nail bin 12 is oppressed by thick tissue, it is also not easy the deformation that slopes inwardly, more favorably In the positioning of the anvil pocket on subsequent anastomosis staple and anvil assembly and the reduction pushing slice of nail 14 resistance suffered during percussion Power enhances the match result of the circular-pipe anastomat, avoids the occurrence of malpractice.

Further, the nail bin 12 include staple cartridge body 121 and be connected to the staple cartridge body 121 inner circumferential and to The convex block 122 that proximal direction extends, after the nail bin 12 is set to the distal end of the nail barrel 11, at least portion of the supporter 13 Separation structure is held on the convex block 122, is supported with the inner circumferential to the nail bin 12.

In present embodiment, the distal end of the supporter 13 is held on the proximal end face of the convex block 122, with from described convex The proximal end face of block 122 supports the nail bin 12, when the nail bin 12 is oppressed by thick tissue, makees in the support of the supporter 13 Under, it is not easy the deformation that slopes inwardly.

It is understood that the distal end of the supporter 13, which is held on the proximal end face of the convex block 122, specifically refers to institute The distal face for stating supporter 13 is held on the proximal end face of the convex block 122.

The proximal end face of the above-mentioned convex block 122 refers to one side of the convex block 122 towards the proximal end；Above-mentioned is described The distal face of supporter 13 refers to the one side on the distal end of the supporter 13 towards distal end.

Further, in present embodiment, the supporter 13 is multiple along the circumferentially spaced branch of the nail barrel 11 Blade 131, certainly, in other embodiments, the supporter 13 may be circumferentially to be set to part along the nail barrel 11 An integrated support structure on 11 inner wall of nail barrel；It can match and play a supporting role with the convex block 122.

Meanwhile the convex block 122 can be an entirety, also may include multiple spaced sub- convex blocks 1221, with It is matched with the supporter 13.

It is multiple embodiments along the circumferentially spaced support chip 131 of the nail barrel 11 below based on the supporter 13 It is specifically described.

In the supporter 13 be multiple support chips 131 and the convex block 122 is the embodiment of multiple sub- convex blocks 1221 In, multiple sub- convex blocks 1221 are corresponded with multiple support chips 131, are set to the nail barrel 11 in the nail bin 12 Distal end after, the distal end of the support chip 131 is held on the proximal end face of sub- convex block 1221 corresponding with the support chip 131, To support the nail bin 12 from the side where the proximal end face of the convex block 122, i.e., from the inner circumferential of the nail bin 12 to the nail Storehouse 12 is supported.

Preferably, multiple support chips 131 and multiple sub- convex blocks 1221 uniformly divide along the circumferential of the nail barrel 11 Cloth, thus, it is followed closely described in circumferential even support of multiple support chips 131 from the proximal end face of the nail bin 12 along the nail bin 12 Storehouse 12 enhances the support effect to the nail bin 12, and when oppressing the nail bin 12 by thick tissue, being less susceptible to slope inwardly becomes Shape.

Above-mentioned circumferential direction, that is, circumferencial direction, the nail barrel 11 can be the various closed ring-types such as circle, ellipse, described The shape of nail bin 12 matches with the nail barrel 11.

Specifically, the quantity of the support chip 131 is 8.

Specifically, the support chip 131 includes protruded out from the inner wall of the nail barrel 11 to the center of the nail barrel 11 One support chip 1311, from first support chip 1311, the one end at the center of the close nail barrel 11 is distally protruded out Second support chip 1312 has gap between second support chip 1312 and the inner wall of the nail barrel 11, be convenient for the ejector pin Cooperation between piece 14 and the support chip 131.

Further, the support chip 131 further includes reinforcing rib 1313, and the reinforcing rib 1313 connects first support At least partly structure of piece 1311 connect second support chip 1312 extremely with the nail barrel 11 and/or the reinforcing rib 1313 Small part structure and the nail barrel 11, on the one hand, the reinforcing rib 1313, which is arranged, enhances the intensity of the support chip 131, with into One step enhances the support chip 131 and is less susceptible to when oppressing the nail bin 12 by thick tissue to the support force of the nail bin 12 Slope inwardly deformation；On the other hand, the intensity for further enhancing the nail barrel 11 is unlikely to deform the nail barrel 11.

In present embodiment, the reinforcing rib 1313 connects first support chip 1311, the nail barrel 11 and described Part-structure of second support chip 1312 close to proximal end.

It please join shown in Figure 11-Figure 14, be the second embodiment in the utility model, second embodiment is implemented with first The difference of mode is: at least partly structure of the supporter 13 is held in the inside of the convex block 122, that is, is held in institute Convex block 122 is stated in the side at the center radially adjacent to the nail bin 12 of the nail bin 12, with collateral out of described convex block 122 The nail bin 12 is supportted, when the nail bin 12 is oppressed by thick tissue, the deformation that slopes inwardly is not easy, is more advantageous to subsequent anastomosis staple The percussion of positioning and pushing slice of nail to anastomosis staple with the anvil pocket on anvil assembly, enhances the identical effect of the circular-pipe anastomat Fruit.

It is understood that under normal circumstances, the part-structure for being located on or near the distal end of the supporter 13 is held in The inside of the convex block 122.

Specifically, the receiving to accommodate at least partly structure of the supporter 13 is arranged in the inside of the convex block 122 Slot, so that the inside flush of the supporter 13 side far from the nail barrel 11 and the convex block 122, enhances the nail bin The whole appearance of component 1, and can prevent from generating interference between annular cutter 15 and the supporter 13 during percussion, Influence the cutting effect of physiological tissue.

For above-mentioned second embodiment and first embodiment in addition to above-mentioned difference, other structures are all the same, in this, no longer It repeats.

Further, please join shown in Fig. 3, the nail barrel 11 is equipped with nail bin fixed structure 111, and the nail bin 12 is equipped with The matching piece 123 matched with the nail bin fixed structure 111, the matching piece 123 match with the nail bin fixed structure 111 It closes, the nail bin 12 is connected in the nail barrel 11, is made opposing stationary between the nail bin 12 and the nail barrel 11.

Specifically, the nail barrel 11 includes the side of the proximal end being oppositely arranged, distal end, the connection proximal end and the distal end Wall, the nail bin fixed structure 111 are set to the inner surface of the side wall and are arranged close to the distal end.

In present embodiment, the nail bin fixed structure 111 is the boss for being symmetrically distributed in the inner surface of the side wall, institute The groove that matching piece 123 is the recessed outer surface in the nail bin 12 is stated, the groove limits the boss, to realize Connection between the nail bin 12 and the nail barrel 11.

Certainly, the nail bin fixed structure 111 and the matching piece 123 are not limited to above-mentioned structure, for example, in another In one embodiment, the nail bin fixed structure 111 is also possible to be symmetrically distributed in the groove on side wall, and matching piece 123 is Boss set on the outer surface of nail bin 12.

Further, please join shown in Fig. 8-Fig. 9, the pushing slice of nail 14, which is equipped with, makes the support chip 131 at least partly The resigning portion 141 that structure passes through, the pushing slice of nail 14 is located in the nail barrel 11 and the nail bin 12 is connected to the nail barrel 11 After upper, the support chip 131 passes through the inner circumferential that the resigning portion 141 acts on the nail bin 12, thus, in the pushing slice of nail 14 It is fired when distally moving to push anastomosis staple to carry out identical to physiological tissue, the pushing slice of nail 14 and the support chip Interference will not be generated between 131, and then will not influence the movement of the pushing slice of nail 14, keep the circular-pipe anastomat normal It coincide, cutting physiological tissue.

Specifically, the pushing slice of nail 14 includes the ejector pin portion 142 matched with the nail bin 12, is set to the ejector pin portion The interconnecting piece 143 of 142 proximal end.After the nail bin groupware 1 is connected on the shell, the proximal end of the interconnecting piece 143 with The intracorporal ejector pin bar phase separation of shell, the proximal end of the ejector pin bar are connected with handle, and being held in the handle is in stapler When cock acts on the ejector pin bar, the ejector pin bar can drive the pushing slice of nail 14 distally to move, to push away Dynamic anastomosis staple and annular 15 distal movement of cutter are identical to carry out to physiological tissue.

The resigning portion 141 is the wears groove passed through for the support chip 131 on the interconnecting piece 143, described to wear Slot penetrates through the interconnecting piece 143 from proximate, and during installing pushing slice of nail 14, the support chip 131 can It is passed through from the proximal end of the pushing slice of nail 14 and enters the wears groove.

Meanwhile the shape of the wears groove and size are adapted with the support chip 131, are located in the pushing slice of nail 14 described After in nail barrel 11, the ejector pin portion 142 is pushed away between second support chip 1312 and the inner wall of the nail barrel 11 described During nail piece 14 is fired towards distal direction movement, the wears groove is moved along second support chip 1312, Neng Gouqi To guiding role, guide pushing slice of nail 14 mobile towards distal direction.

Further, the distal end of the pushing slice of nail 14 is equipped with the groove body the annular cutter 15 is arranged, the ejector pin Piece 14 further includes setting knife 144 set on the distal end of the interconnecting piece 143, and the annular cutter 15 sets knife 144 by described It is detachably connected with the pushing slice of nail 14.

After the annular cutter 15 is set to described set in knife 144, the part-structure of the annular cutter 15 is located at In the groove body, and the annular cutter 15 and the pushing slice of nail 14 are opposing stationary, are fired in the pushing slice of nail 14 to distal end Direction is able to drive the annular cutter 15 and distally moves to cut physiological tissue when mobile.Specifically, the annular Be provided with the first fixed part 151 on cutter 15, it is described set to be provided in knife 144 matched with first fixed part 151 Second fixed part 1441, after the annular cutter 15 is assembled in the pushing slice of nail 14, first fixed part 151 with it is described Second fixed part 1441 matches, keep the annular cutter 15 and the pushing slice of nail opposing stationary it is fixed, in the pushing slice of nail 14 are fired and are able to drive the annular cutter 15 when distally moving and distally move to cut physiological tissue.

Meanwhile after the annular cutter 15 is mutually clamped by the first fixed part 151 with second fixed part 1441, The inside of the annular cutter 15 is bonded with the knife 144 of setting, so that the knife 144 of setting is to the annular formation of cutter 15 Preferable limit effect.

Specifically, first fixed part 151 is the hook set on annular 15 inside of cutter in present embodiment, It can be realized by bending the part-structure of annular cutter 15.

Second fixed part be set described in knife 144 protruded out towards the inner wall direction of the pushing slice of nail 14 it is convex Portion, on the one hand, the annular cutter 15 is fixed on by described set in knife 144 by the cooperation of the protrusion and the hook； On the other hand, the protrusion can enhance the intensity for setting knife 144.

Further, the part wears groove is connected to the groove body.

Be connected with the annular cutter 15 pushing slice of nail 14 be located in the nail barrel 11 after, the annular cutter 15 is located at institute Side of the support chip 131 towards the center of the nail barrel 11 is stated, to drive the annular to cut by percussion in the pushing slice of nail 14 During knife 15 is moved towards distal direction to cut physiological tissue, between the annular cutter 15 and the support chip 131 Interference will not be generated.

Further, the middle part of the nail barrel 11 offers at least one opening 112, to mention during surgery to medical staff For form.

Meanwhile the opening 112 is penetrated through with the cavity 16 to accommodate physiological tissue to be cut, at least partly described cavity 16 reveal from the opening 112, so that drawing in and accommodating more cutting tissues in operation convenient for physiological tissue.

Specifically, the middle part of the nail barrel 11 is opened up there are four symmetrical opening 112, to give medical staff during surgery Big form is provided.

Specifically, the nail barrel 11 is connected to the distal end of the shell by fixed ring (not shown), so that the nail barrel 11 is opposing stationary with the shell.

Compared with prior art, the nail bin groupware 1 in the utility model is distally convex by being arranged in nail barrel 11 The supporter 13 stretched, on the one hand, the intensity that can enhance the nail barrel 11 is unlikely to deform the nail barrel 11；On the other hand, institute It states after nail bin 12 is set to the distal end of the nail barrel 11, at least partly structure of the supporter 13 is held in the nail bin 12 Inner circumferential is supported the inner circumferential of the nail bin 12, even if making the nail bin 12 when being oppressed by thick tissue, is also not easy inwardly Inclination and distortion, the positioning and the reduction pushing slice of nail 14 for being more advantageous to subsequent anastomosis staple and the anvil pocket on anvil assembly are firing Suffered resistance in the process, enhances the match result of the circular-pipe anastomat, avoids the occurrence of malpractice.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of nail bin groupware, the nail bin including nail barrel, the distal end for being connected to the nail barrel, it is characterised in that: the nail bin group Part further includes the supporter protruded out in the nail barrel and distally, and the nail bin is connected to the distal end of the nail barrel Afterwards, at least partly structure function of the supporter is supported in the inner circumferential of the nail bin with the inner circumferential to the nail bin.

2. nail bin groupware as described in claim 1, it is characterised in that: the nail bin includes staple cartridge body and is connected to described The convex block that the inner circumferential of staple cartridge body and proximally direction extend；The distal end of the supporter act on the convex block proximal end face or At least partly structure function of supporter described in person is in the inside of the convex block.

3. nail bin groupware as claimed in claim 2, it is characterised in that: the supporter is multiple spaced support chips, The convex block includes multiple sub- convex blocks, and multiple sub- convex blocks and multiple support chips correspond.

4. nail bin groupware as claimed in claim 1 or 2, it is characterised in that: the supporter is multiple spaced supports Piece, multiple support chips are uniformly distributed along the circumferential direction of the nail barrel.

5. nail bin groupware as claimed in claim 1 or 2, it is characterised in that: the supporter is multiple spaced supports Piece, the support chip include the first support chip protruded out from the inner wall of the nail barrel to the center of the nail barrel, from described first The second support chip that support chip is distally protruded out close to the one end at the center of the nail barrel, second support chip with it is described There is gap between the inner wall of nail barrel.

6. nail bin groupware as claimed in claim 5, it is characterised in that: the support chip further includes reinforcing rib, the reinforcing rib At least partly structure for connecting first support chip connect second support chip with the nail barrel and/or the reinforcing rib At least partly structure and the nail barrel.

7. nail bin groupware as described in claim 1, it is characterised in that: the nail barrel is equipped with nail bin fixed structure, the nail Storehouse is equipped with and is matched with the nail bin fixed structure the nail bin to be connected to the matching piece in the nail barrel.

8. nail bin groupware as claimed in claim 1 or 2, it is characterised in that: the supporter is multiple spaced supports Piece, the nail bin groupware further include the pushing slice of nail in the nail barrel, and the pushing slice of nail, which is equipped with, makes the support chip extremely The resigning portion that small part structure passes through, after the pushing slice of nail is located in the nail barrel and the nail bin is connected in the nail barrel, The support chip passes through the inner circumferential that the resigning portion acts on the nail bin.

9. nail bin groupware as claimed in claim 8, it is characterised in that: the pushing slice of nail includes pushing away with what the nail bin matched Nail portion, be connected to the ejector pin portion proximal end interconnecting piece, the resigning portion be on the interconnecting piece for the support The wears groove that piece passes through, the wears groove penetrates through the pushing slice of nail from proximate, and the wears groove and the support chip are adapted.

10. nail bin groupware as claimed in claim 8, it is characterised in that: the nail bin groupware further includes being connected to the ejector pin The annular cutter of on piece, the annular cutter are located at side of the support chip far from the nail barrel.

11. a kind of circular-pipe anastomat, special including stapler ontology, the handle being pivotally connected on the stapler ontology Sign is: the stapler ontology includes shell and the distal end for being connected to the shell as any one in claim 1-10 Nail bin groupware described in.