CN112932582A

CN112932582A - Nail bin for endoscopic cutting anastomat

Info

Publication number: CN112932582A
Application number: CN202110111657.5A
Authority: CN
Inventors: 张紫荆; 张帆
Original assignee: Suzhou Beinuo Medical Instruments Co Ltd
Current assignee: Suzhou Beinuo Medical Instruments Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-06-11

Abstract

The invention discloses a nail bin for an endoscopic cutting anastomat, which comprises a support, wherein a nail bin part is arranged in the support, a second cutter groove is formed in the right side of the upper end of the support, a first cutter groove is formed in the middle of the upper end of the nail bin part, a cutting device is arranged in the first cutter groove and the second cutter groove in a sliding mode, three rows of nail discharging holes are formed in the front part and the rear part of the upper end of the nail bin part at equal intervals, three through holes are formed in the upper part of the front end of the support and the upper part of the rear end of the support, and fixing parts are arranged in the three through holes. The nail bin for the endoscopic cutting anastomat can perform suturing and cutting operation on thick tissues, so that the suturing and cutting effects are guaranteed, the cushion pad and the abutting block can protect the cutting edge of a cutter, and the service life of the cutter is prolonged; the fixing piece can realize the quick installation and disassembly of the nail bin piece and the bracket; in addition, due to the arrangement of the infrared transmitter and the infrared receiver, smooth nail discharging of suturing nails can be facilitated, and smooth operation is guaranteed.

Description

Nail bin for endoscopic cutting anastomat

Technical Field

The invention relates to the technical field of anastomats, in particular to a nail bin for an endoscopic cutting anastomat.

Background

The medical anastomat is a medical instrument frequently used when a surgical operation is carried out on physiological tissues such as intestinal tracts and the like, and is a device which is used in medicine to replace the traditional manual suture, the endoscopic cutting anastomat is one of the medical anastomats, and the nail bin is used as an important part of the endoscopic cutting anastomat, so that the following problems often exist in the using process: 1. the arrangement of the nail pushing seat and the suturing nail in the existing nail bin can only carry out suturing operation with a single nail height on tissues, so that the suturing operation on thick tissues is inconvenient, the suturing effect is poor, and the healing effect is influenced; 2. the cutting knife in the existing nail bin is mostly of a single-chip structure, so that the resistance is large during cutting, and the cutting speed and the cutting effect are influenced; 3. after cutting is finished, a cutting edge part of a cutting knife in the existing nail bin is very easy to collide with the inner wall of a nail bin piece, so that the cutting edge is abraded, and the service life of the cutting knife is influenced; 4. the existing nail bin is inconvenient for the operation of installing the sewing nail and removing and maintaining the nail bin, so that the use process of the nail bin is extremely inconvenient; 5. the existing nail bin is very easy to cause that the nail cannot be smoothly discharged because the position of the mounting seat is not accurate enough in the nail discharging process, thereby influencing the smooth operation of the operation.

Disclosure of Invention

The invention mainly aims to provide a nail bin for an endoscopic cutting anastomat, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a nail bin for an endoscopic cutting anastomat comprises a support, a nail bin part is arranged in the support, a second cutter groove is formed in the right side of the upper end of the support, a first through hole is formed in the middle of the right end of the support, a first sliding groove is formed in the front end wall of the first through hole and the rear end wall of the first through hole, a first cutter groove is formed in the middle of the upper end of the nail bin part and is located at the left end of the second cutter groove, the inside of the first cutter groove is communicated with the inside of the second cutter groove, a cutting device is installed in the first cutter groove and the second cutter groove in a sliding mode, three rows of nail outlet holes distributed at equal intervals are formed in the front portion and the rear portion of the upper end of the nail bin part, the three rows of nail outlet holes are located on two sides of the first cutter groove respectively, two groups of directional guide grooves are formed in the left portion and the right portion of the upper end of the support, the two groups of directional guide grooves, the nail bin is characterized in that a fixing part is arranged inside the third through hole, one side, close to the first cutter groove, of the fixing part is fixedly connected with the upper portion of the nail bin, a second through hole is formed in the middle of the front end of the support and the middle of the rear end of the support, a fastening knob is connected inside the second through hole in a threaded mode, one side, close to the first cutter groove, of the fastening knob penetrates through the side wall of the nail bin, the first through hole is of a rectangular structure, and the nail outlet holes are of a circular structure.

Preferably, the left part of the upper end of the nail bin part is fixedly provided with a fixed block, the right end of the fixed block is fixedly provided with a cushion pad, the upper part of the right end of the cushion pad is fixedly provided with a fixture block, and the fixed block and the cushion pad are both positioned in the first cutter groove.

Preferably, the middle part of the right end of the nail bin piece is provided with a fifth through hole, the fifth through hole is of a rectangular structure, the front end wall of the fifth through hole and the rear end wall of the first through hole are provided with second sliding grooves, the fifth through hole is positioned at the left end of the first through hole, the interior of the fifth through hole is communicated with the interior of the first through hole, the upper end of the fifth through hole is communicated with the lower end of the first cutter groove, the middle parts of the front end of the nail bin piece and the rear end of the nail bin piece are provided with fourth through holes, and one side of the fastening knob, which is close to the first cutter groove, penetrates through the interior of.

Preferably, cutting device includes the cutting knife, cutting knife upper end and cutting knife lower extreme fixed mounting have last blade holder and lower blade holder respectively, open at the cutting knife middle part has the trompil, and the trompil is the rectangle structure, cutting knife left end fixed mounting has No. two cutting edges, trompil right-hand member wall is a cutting edge No. one, No. two cutting edge left end upper portions are opened flutedly, the recess matches and the joint with the fixture block, the cutting knife is located a sword inslot portion, go up blade holder, lower blade holder and cutting knife and be the I shape structure jointly.

Preferably, the mounting includes fixed plate and sleeve, the loop bar has been cup jointed in the equal activity of one side that the fixed plate was kept away from to the sleeve, the common fixed cover of sleeve surface and loop bar surface has connect the spring, the equal fixed mounting in one side that the fixed plate was kept away from to the loop bar has the button, telescopic one side all with a nail storehouse spare lateral wall fixed connection is kept away from to the fixed plate.

Preferably, nail storehouse spare front end lower part and rear end lower part slide jointly and have the mount pad, and mount pad lower extreme and nail storehouse spare lower extreme contact, open on mount pad upper portion has the guide rail, the nail spare has been placed out to the mount pad upper end, nail storehouse spare upper end left part fixed mounting has infrared receiver, the inside sliding connection of guide rail has the wedge, inside and the cutting device lower extreme sliding connection of guide rail, the mount pad matches and sliding connection with No. two spouts and a spout respectively.

Preferably, the left part of the upper end of the mounting seat is fixedly provided with an infrared transmitter, the left side of the guide rail is fixedly provided with a butting block, and the infrared transmitter is positioned below the infrared receiver.

Preferably, the nail discharging part comprises six rows of nail pushing seats distributed at equal intervals, the upper ends of the nail pushing seats are provided with suturing nails, the height values of the nail pushing seats are gradually reduced along one side close to the cutting device, and the height values of the suturing nails are gradually increased along one side close to the cutting device.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the height values of the plurality of rows of suturing nails are sequentially decreased along one side close to the cutting knife, the height values of the nail pushing seat are sequentially decreased along one side close to the cutting device, and the upper ends of the plurality of rows of suturing nails are all arranged on the same horizontal line, so that the wedge-shaped surface on the wedge-shaped block of the sliding connection guide rail acts on the nail pushing seat, the upward jacking operation of the nail pushing seat is realized, the suturing nails on the six rows of nail pushing seats are driven to jack upwards, and finally the upwards-jacked suturing nails penetrate through the nail holes and form nail lines with different heights under the action of an external nail anvil, so that thick tissues can be sutured while multi-layer suturing is carried out, the occurrence of blood leakage or blood leakage phenomenon is avoided, and the suturing.

2. According to the invention, the tissue is firstly cut by the second cutting edge, and then the tissue is secondarily cut by the first cutting edge positioned on the right side, so that the problem that a single cutting blade cannot cut thick tissue can be avoided while quick cutting is realized, the cutting capability of the cutting knife is improved, and the upper knife holder, the lower knife holder and the cutting knife form an I-shaped structure together, so that the higher tensile strength can be improved.

3. According to the invention, when the cutting knife moves to the left end of the first knife groove after cutting, the groove on the second knife edge is clamped with the clamping block, and the left end of the second knife edge acts on the cushion pad and the abutting block respectively, so that the left end of the second knife edge is prevented from cutting and colliding with the inner wall of the nail bin piece, the knife edge of the second knife edge is ensured, the cutting device is prevented from being worn, and the service life of the cutting device is prolonged.

4. According to the invention, the button on the fixing piece is pressed down, so that the whole fixing piece slides downwards along the directional guide groove, the button drives the loop bar to be tightly pressed inside the sleeve and drives the spring part to compress in the sliding process, when the button slides to the same height as the third through hole, the spring drives the loop bar to be pulled out from the sleeve, so that the button is popped out of the third through hole, the installation and fixation of the nail bin piece and the support are realized, similarly, when the nail bin piece and the support are required to be detached, the button can be pressed down again, the nail bin piece can be manually lifted, the detachment work of the nail bin piece and the support can be realized, and the use process of the nail bin is more convenient.

5. According to the invention, the mounting seat provided with the nail discharging piece slides into the nail bin piece along the second sliding groove and the first sliding groove, when the infrared transmitter moves to the position right below the infrared receiver, the infrared receiver receives infrared light, and the external control equipment sends out a reminding signal according to the infrared receiver, so that an operator can fix the mounting seat by using the fastening knob in time, the accuracy of the mounting position is ensured, the smooth nail discharging of a suturing nail is facilitated, and the smooth operation is ensured.

Drawings

FIG. 1 is an overall view of a magazine for an endoscopic stapler according to the present invention;

FIG. 2 is a schematic structural view illustrating a staple cartridge component and a fixing component of a staple cartridge for an endoscopic cutting stapler according to the present invention;

FIG. 3 is a schematic structural view of a cutting device of a staple cartridge for an endoscopic cutting stapler according to the present invention;

FIG. 4 is a schematic structural view of a fixing member of a staple cartridge for an endoscopic stapler according to the present invention;

FIG. 5 is a front internal view of a staple cartridge component of a staple cartridge for an endoscopic stapler according to the present invention;

FIG. 6 is a schematic view of an installation structure of a nail magazine installation seat and a nail ejection member for an endoscopic cutting stapler according to the present invention;

FIG. 7 is a schematic side view of the internal structure of the staple cartridge component of the staple cartridge for an endoscopic cutting stapler according to the present invention.

In the figure: 1. a first through hole; 2. a first chute; 3. a support; 4. a nail bin component; 5. a cutting device; 6. a fixing member; 7. a second through hole; 8. a third through hole; 9. a first cutter groove; 10. a directional guide groove; 11. a second cutter groove; 12. fastening a knob; 13. a nail outlet hole; 14. a fourth through hole; 15. a second chute; 16. a fifth through hole; 17. a fixed block; 18. a cushion pad; 19. a clamping block; 20. a butting block; 21. an infrared emitter; 41. a mounting seat; 42. discharging the nails; 43. a guide rail; 44. a wedge block; 45. an infrared receiver; 51. an upper tool apron; 52. a cutting knife; 53. a first blade; 54. a second blade; 55. a groove; 56. opening a hole; 57. a lower tool apron; 61. a fixing plate; 62. a sleeve; 63. a spring; 64. a loop bar; 65. a button; 421. a nail pushing seat; 422. and (6) suturing the nails.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-7, a nail bin for an endoscopic cutting anastomat comprises a support 3, a nail bin component 4 is arranged in the support 3, a second cutter groove 11 is formed in the right side of the upper end of the support 3, a first through hole 1 is formed in the middle of the right end of the support 3, a first sliding groove 2 is formed in each of the front end wall of the first through hole 1 and the rear end wall of the first through hole 1, a first cutter groove 9 is formed in the middle of the upper end of the nail bin component 4, the first cutter groove 9 is located at the left end of the second cutter groove 11, the interior of the first cutter groove 9 is communicated with the interior of the second cutter groove 11, a cutting device 5 is installed in each of the interior of the first cutter groove 9 and the interior of the second cutter groove 11 in a sliding mode, three rows of nail outlet holes 13 which are distributed at equal intervals are formed in the front part of the upper end of the nail bin component 4 and the rear part of the upper end, the three rows of nail outlet holes 13 are respectively located, no. 3 front end upper portions of support and 3 rear end upper portions of support all open No. three through-holes 8, No. three through-holes 8 are inside all to be provided with mounting 6, one side that mounting 6 is close to a sword groove 9 all with 4 upper portions fixed connection of nail storehouse spare, 3 front end middle parts of support and 3 rear end middle parts all open No. two through-holes 7, the equal threaded connection in No. two through-holes 7 has fastening knob 12, one side that fastening knob 12 is close to a sword groove 9 all runs through 4 lateral walls of nail storehouse spare, No. 1 through-hole is the rectangle structure, and it all is circular structure to go out nail hole 13.

The left part of the upper end of the nail bin piece 4 is fixedly provided with a fixed block 17, the right end of the fixed block 17 is fixedly provided with a cushion pad 18, the upper part of the right end of the cushion pad 18 is fixedly provided with a fixture block 19, the left end of the second cutting edge 54 acts on the cushion pad 18, the cutting operation between the left end of the second cutting edge 54 and the inner wall of the nail bin piece 4 is avoided, the cutting edge of the second cutting edge 54 is ensured, and the fixed block 17 and the cushion pad 18 are both positioned in the; in order to facilitate the installation of the installation seat 41 and the cutting device 5, the middle part of the right end of the nail bin part 4 is provided with a fifth through hole 16, the fifth through hole 16 is in a rectangular structure, the front end wall of the fifth through hole 16 and the rear end wall of the first through hole 1 are both provided with a second sliding chute 15, the second sliding chute 15 is communicated with the first sliding chute 2, therefore, the installation seat 41 provided with the nail outlet part 42 can slide to the inside of the nail bin part 4 along the second sliding chute 15 and the first sliding chute 2, the fifth through hole 16 is positioned at the left end of the first through hole 1, the inside of the fifth through hole 16 is communicated with the inside of the first through hole 1, the upper end of the fifth through hole 16 is communicated with the lower end of the first cutter groove 9, the middle part of the front end of the nail bin part 4 and the middle part of the rear end of the nail bin part 4 are both provided with a; the cutting device 5 comprises a cutting knife 52, an upper knife holder 51 and a lower knife holder 57 are fixedly mounted at the upper end of the cutting knife 52 and the lower end of the cutting knife 52 respectively, an opening 56 is formed in the middle of the cutting knife 52, the opening 56 is of a rectangular structure, a second cutting edge 54 is fixedly mounted at the left end of the cutting knife 52, a first cutting edge 53 is arranged at the right end wall of the opening 56, a groove 55 is formed in the upper portion of the left end of the second cutting edge 54, the second cutting edge 54 on the left side firstly cuts tissues, and then the first cutting edge 53 on the right side cuts the tissues for the second time, so that the problem that a single cutting knife 52 cannot cut thick tissues is solved while quick cutting is realized, the cutting capability of the cutting knife 52 is improved, the groove 55 is matched and clamped with a clamping block 19, the cutting knife 52 is located in the first knife slot; the fixing piece 6 comprises a fixing plate 61 and a sleeve 62, one side of the sleeve 62, which is far away from the fixing plate 61, is movably sleeved with a loop bar 64, the outer surface of the sleeve 62 and the outer surface of the loop bar 64 are fixedly sleeved with a spring 63, one side of the loop bar 64, which is far away from the fixing plate 61, is fixedly provided with a button 65, the spring 63 drives the loop bar 64 to be pulled out from the sleeve 62, so that the button 65 is popped out of the third through hole 8, the fixing of the nail bin part 4 and the bracket 3 is realized, and one side of the fixing plate 61, which is far away; the lower part of the front end and the lower part of the rear end of the nail bin part 4 jointly slide to form a mounting seat 41, the lower end of the mounting seat 41 is in contact with the lower end of the nail bin part 4, a guide rail 43 is arranged on the upper part of the mounting seat 41, a nail discharging part 42 is placed at the upper end of the mounting seat 41, an infrared receiver 45 is fixedly mounted at the left part of the upper end of the nail bin part 4, the infrared receiver 45 receives infrared light, the infrared receiver 45 is connected with external control equipment, the control equipment sends out a reminding signal to conveniently fix the mounting seat 41 in time, the accuracy of a mounting position is guaranteed, the smooth nail discharging of a suturing nail 422 is guaranteed, a wedge block 44 is slidably connected inside the guide rail 43, the inside of the guide rail 43 is slidably connected with the lower end of the cutting; the infrared emitter 21 is fixedly installed at the left part of the upper end of the installation seat 41, infrared light emitted by the infrared emitter 21 is received by the infrared receiver 45, so that the position of the installation seat 41 is positioned, the abutting block 20 is fixedly installed at the left side of the guide rail 43, and the infrared emitter 21 is located below the infrared receiver 45; the nail discharging piece 42 comprises six rows of nail pushing seats 421 which are distributed at equal intervals, suturing nails 422 are placed at the upper ends of the six rows of nail pushing seats 421, the height values of the six rows of nail pushing seats 421 are gradually decreased along one side close to the cutting device 5, the height values of the six rows of suturing nails 422 are gradually increased along one side close to the cutting device 5, the height values of the multiple rows of suturing nails 422 are gradually decreased along one side close to the cutting knife 52 in the suturing process, and therefore the thick tissue can be sutured when multi-layer suturing is carried out, and the suturing effect is guaranteed.

It should be noted that, the present invention is a nail magazine for an endoscopic cutting stapler, when the stapler is required to be used, firstly, the nail magazine 4 is installed, a user presses down the button 65 on the fixing member 6, so that the whole fixing member 6 slides downwards along the directional guide groove 10, at this time, the button 65 drives the loop bar 64 to press tightly inside the sleeve 62 and drives the spring 63 to compress, when the button 65 slides to the same height with the third through hole 8, the spring 63 drives the loop bar 64 to pull out from the sleeve 62, thereby realizing that the button 65 pops out the third through hole 8, realizing the fixation of the nail magazine 4 and the bracket 3, the first knife groove 9 is communicated with the second knife groove 11, the first through hole 1 is communicated with the fifth through hole 16, and the second slide groove 15 is communicated with the first slide groove 2, therefore, the installation seat 41 provided with the nail outlet member 42 can slide to the inside the nail magazine 4 along the second slide groove 15 and the first slide groove 2, when the infrared transmitter 21 moves to the position right below the infrared receiver 45, the infrared receiver 45 receives infrared light, as the infrared receiver 45 is connected with external control equipment, the control equipment sends out a reminding signal, at the moment, a worker sequentially penetrates through the second through hole 7 and the fourth through hole 14 by using the fastening knob 12 and is connected with a connecting hole on the mounting seat 41 to fix the mounting seat 41, then the cutting device 5 slides into the first knife groove 9 along the second knife groove 11 and the guide rail 43 to realize the mounting of the cutting device 5, after the mounting is finished, the wedge block 44 in the nail bin component 4 is connected with external driving equipment, so that the wedge block 44 is driven to move leftwards along the guide rail 43, the wedge block 44 drives the cutting device 5 in the guide rail 43 to move leftwards while the wedge block 44 moves along the guide rail 43, and six rows of nail pushing seats 421 are mounted on the mounting seat 41 provided with the guide rail 43, so that the wedge-shaped surface of the wedge block 44 slidably connected with the guide rail 43 acts on the nail pushing seat 421, thereby realizing the upward jacking operation of the nail pushing seat 421, the upper ends of the six rows of nail pushing seats 421 are provided with the suturing nails 422, so that the rows of the suturing nails 422 jack up upwards, finally the upwards jacked suturing nails 422 penetrate through the nail outlet holes 13 and are formed under the action of an external nail anvil to finish the suturing operation of tissues, the height values of the rows of the suturing nails 422 are gradually reduced along one side close to the cutting knife 52 in the suturing process, thereby the thick tissues can be sutured while the multilayer suturing is carried out, the suturing effect is ensured, the cutting knife 52 which cuts along with the driving of the wedge block 44 carries out the cutting operation along the first cutting edge 9 and the guide rail 43, thereby realizing the cutting of the tissues, the second cutting edge 54 positioned on the left side in the cutting process firstly cuts the tissues, and then the first cutting edge 53 positioned on the right side carries, can avoid the unable problem of cutting thick tissue of single cutting knife 52 piece when realizing the fly-cutting, the cutting ability of cutting knife 52 has been improved, and when the cutting is accomplished cutting knife 52 and is removed to a sword groove 9 left end, recess 55 and fixture block 19 on the No. two cutting edges 54 carry out the joint, No. two cutting edges 54 left ends act on blotter 18 this moment, avoid No. two cutting edges 54 left ends and the 4 inner walls of nail storehouse piece to carry out the cutting operation, guarantee No. two cutting edges 54's cutting edge, avoid cutting device 5 wearing and tearing to appear, thereby prolong cutting device 5's life.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nail storehouse for endoscopic cutting anastomat, includes support (3), its characterized in that: the nail bin component (4) is arranged in the bracket (3), the second cutter groove (11) is formed in the right side of the upper end of the bracket (3), the first through hole (1) is formed in the middle of the right end of the bracket (3), the first sliding groove (2) is formed in the front end wall of the first through hole (1) and the rear end wall of the first through hole (1), the first cutter groove (9) is formed in the middle of the upper end of the nail bin component (4), the first cutter groove (9) is located at the left end of the second cutter groove (11), the inside of the first cutter groove (9) is communicated with the inside of the second cutter groove (11), the cutting device (5) is installed in the inside of the first cutter groove (9) and the inside of the second cutter groove (11) in a sliding mode, three rows of nail outlet holes (13) which are distributed at equal intervals are formed in the front portion and the rear portion of the upper end of the nail bin component (4), the three rows of nail outlet holes (13) are respectively located on two sides of the first cutter groove (9), two groups of directional, the number of the two groups of directional guide grooves (10) is two, a third through hole (8) is formed in the upper portion of the front end of the support (3) and the upper portion of the rear end of the support (3), a fixing piece (6) is arranged in each third through hole (8), one side, close to the first cutter groove (9), of each fixing piece (6) is fixedly connected with the upper portion of the nail bin piece (4), a second through hole (7) is formed in the middle portion of the front end of the support (3) and the middle portion of the rear end of the support (3), a fastening knob (12) is in threaded connection with the inner portion of each second through hole (7), one side, close to the first cutter groove (9), of each fastening knob (12) penetrates through the side wall of the nail bin piece (4), each first through hole (1) is of a rectangular structure, and each nail outlet hole (13;

cutting device (5) include cutting knife (52), cutting knife (52) upper end and cutting knife (52) lower extreme fixed mounting have last blade holder (51) and lower blade holder (57) respectively, open at cutting knife (52) middle part has trompil (56), and trompil (56) are the rectangle structure, cutting knife (52) left end fixed mounting has No. two cutting edges (54), trompil (56) right end wall is cutting edge (53) No. one, No. two cutting edge (54) left end upper portion is opened flutedly (55), recess (55) match and joint with fixture block (19), cutting knife (52) are located cutter groove (9) inside No. one, go up blade holder (51), lower blade holder (57) and cutting knife (52) and be the I shape structure jointly.

2. The staple cartridge for an endoscopic cutting stapler according to claim 1, wherein: the nail storehouse is characterized in that a fixed block (17) is fixedly mounted at the left part of the upper end of the nail storehouse component (4), a cushion pad (18) is fixedly mounted at the right end of the fixed block (17), a fixture block (19) is fixedly mounted at the upper part of the right end of the cushion pad (18), and the fixed block (17) and the cushion pad (18) are both located inside the first cutter groove (9).

3. The staple cartridge for an endoscopic cutting stapler according to claim 1, wherein: the middle part of the right end of the nail bin piece (4) is provided with a fifth through hole (16), the fifth through hole (16) is of a rectangular structure, the front end wall of the fifth through hole (16) and the rear end wall of the first through hole (1) are both provided with a second sliding groove (15), the fifth through hole (16) is positioned at the left end of the first through hole (1), the interior of the fifth through hole (16) is communicated with the interior of the first through hole (1), the upper end of the fifth through hole (16) is communicated with the lower end of the first cutter groove (9), the middle part of the front end of the nail bin piece (4) and the middle part of the rear end of the nail bin piece (4) are both provided with a fourth through hole (14), and one side, close to the first cutter groove (9), of the fastening knob (12) penetrates through the interior of.

4. The staple cartridge for an endoscopic cutting stapler according to claim 1, wherein: fixing piece (6) are including fixed plate (61) and sleeve (62), loop bar (64) have been cup jointed in the equal activity of one side that fixed plate (61) were kept away from in sleeve (62), spring (63) have been cup jointed in sleeve (62) surface and loop bar (64) surface common fixation, the equal fixed mounting in one side that fixed plate (61) were kept away from in loop bar (64) has button (65), one side that sleeve (62) were kept away from in fixed plate (61) all with nail storehouse spare (4) lateral wall fixed connection.

5. The staple cartridge for an endoscopic cutting stapler according to claim 1, wherein: nail storehouse spare (4) front end lower part and rear end lower part slide jointly have mount pad (41), and mount pad (41) lower extreme and nail storehouse spare (4) lower extreme contact, open on mount pad (41) upper portion has guide rail (43), nail spare (42) have been placed out to mount pad (41) upper end, nail storehouse spare (4) upper end left part fixed mounting has infrared receiver (45), guide rail (43) inside sliding connection has wedge (44), inside and cutting device (5) lower extreme sliding connection of guide rail (43), mount pad (41) match and sliding connection with No. two spout (15) and spout (2) respectively.

6. The staple cartridge for an endoscopic cutting stapler according to claim 5, wherein: go out nail spare (42) and include six rows of nail seat (421) that push away of equidistant distribution, six rows push away nail seat (421) upper end and all placed and sew up nail (422), six rows push away nail seat (421) height value and decrease progressively in proper order along the one side that is close to cutting device (5) jointly, and six rows of nail (422) height value increase progressively in proper order along the one side that is close to cutting device (5) jointly.

7. The staple cartridge for an endoscopic cutting stapler according to claim 6, wherein: the mounting base (41) upper end left part fixed mounting has infrared emitter (21), guide rail (43) left side fixed mounting has butt piece (20), infrared emitter (21) are located infrared receiver (45) below.