CN113288279A - Endoscope cutting anastomat with nail anvil capable of moving up and down and rotating - Google Patents
Endoscope cutting anastomat with nail anvil capable of moving up and down and rotating Download PDFInfo
- Publication number
- CN113288279A CN113288279A CN202110660735.7A CN202110660735A CN113288279A CN 113288279 A CN113288279 A CN 113288279A CN 202110660735 A CN202110660735 A CN 202110660735A CN 113288279 A CN113288279 A CN 113288279A
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- block
- handle
- limiting
- rotating
- moving
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07257—Stapler heads characterised by its anvil
Abstract
The invention discloses a cavity mirror cutting anastomat with a nail anvil capable of moving up and down and rotating, which belongs to the technical field of anastomats and comprises a holding handle, wherein a safety button is arranged at the upper end of the holding handle, an installation shell is arranged at the upper end of the safety button, a nail bin assembly is arranged on one side of the installation shell, a firing handle is arranged on one side of the holding handle, a limiting and locking assembly is arranged on the surface of the holding handle corresponding to the firing handle, the limiting and locking assembly comprises an installation frame, a connecting rod, a limiting and clamping block, a blocking block, a guide groove and a limiting spring, wherein the installation frame is arranged on one side of the surface of the holding handle, and the guide groove is symmetrically arranged in the installation frame; according to the invention, by arranging the limiting locking assembly, the stable locking of the trigger handle is ensured, the squeezing effect is improved, the sewing quality is ensured, the human resources are saved, the moving convenience of the trigger handle is improved, the use quality is ensured, and the working strength is reduced.
Description
Technical Field
The invention belongs to the technical field of anastomats, and particularly relates to an endoscope cutting anastomat with a nail anvil capable of moving up and down and rotating.
Background
An endoscopic stapler (an endoscopic cutting stapler and a disposable nail box) is one of important instruments for endoscopic surgery, replaces the traditional manual suture, utilizes titanium nails to break or inosculate tissues, is simple and rapid to operate, and greatly shortens the operation time. The endoscope anastomat enables the anastomosis with narrow surgical field and deeper part which is difficult to manually operate to become easy, accurate, firm and reliable, and obviously reduces the incidence rate of anastomotic fistula.
The prior art has the following problems:
1. when the existing endoscope cutting anastomat with the nail anvil capable of moving up and down and rotating is used, the trigger handle cannot be limited, the pressing stability of the trigger handle is influenced, the squeezing effect is reduced, the operation quality is influenced, and the manpower resource is wasted;
2. after the adjusting knob is rotated, the adjusting knob cannot be fixed, so that the situation of deflection caused by mistaken touch is easy to occur, the operation quality is reduced, and the suturing effect is influenced;
3. when the pushing block needs to be pulled, the pushing block needs to be pulled by the finger frame on two sides of the mounting shell, so that human resources are wasted, the pulling quality is influenced, the work is inconvenient, and the use cost is high.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an endoscope cutting anastomat with a nail anvil capable of moving up and down and rotating, which has the characteristics of stable use, good working effect and convenient movement.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nail anvil can reciprocate and pivoted chamber mirror cutting anastomat, includes the handle of holding, the upper end of the handle of holding is provided with the safety button, the upper end of safety button is provided with the installation casing, one side of installation casing is provided with nail storehouse subassembly, one side of the handle of holding is provided with the percussion handle, the surface correspondence percussion handle of the handle of holding is provided with spacing locking Assembly, spacing locking Assembly includes mounting bracket, connecting rod, spacing fixture block, blocks piece, guide way and spacing spring, wherein, surface one side of the handle of holding is provided with the mounting bracket, the inside symmetry of mounting bracket is provided with the guide way, the inside of guide way is provided with blocks the piece, be provided with spacing fixture block between the guide way, one side symmetry that spacing fixture block is close to the mounting bracket is provided with spacing spring.
Further in the present invention; the damping fixture block is arranged on the surface of one side of the limiting fixture block, and the anti-slip pad is arranged on the surface of one side, away from the percussion handle, of the holding handle.
Further in the present invention; one side of the connecting rod, which is far away from the limiting clamping block, is provided with a pull ring, the surface of the connecting rod is symmetrically provided with a guide rod, and a bearing sleeve is arranged between the connecting rod and the limiting clamping block.
Further in the present invention; be provided with between installation casing and the nail storehouse subassembly and press from both sides tight fixed subassembly, press from both sides tight fixed subassembly and include dead lever, spacing spout, installation slider, damping pivot, dwang, spacing inserted block, adjust knob, regulation casing and link, wherein, one side of installation casing is provided with the regulation casing, the bottom of adjusting the casing is provided with the link, one side upper end of link is provided with the dead lever, the inside of dead lever is provided with spacing spout, the inside of spacing spout is provided with the installation slider, the inside of installation slider is provided with the damping pivot, one side of damping pivot is provided with the dwang, the bottom of dwang is provided with spacing inserted block, the upper end of adjusting the casing corresponds spacing inserted block and is provided with adjust knob.
Further in the present invention; the inside of the adjusting knob is provided with positioning holes corresponding to the limiting insertion blocks, and the surfaces of the limiting insertion blocks are evenly provided with clamping teeth at intervals.
Further in the present invention; the link passes through fixing bolt to be installed in the bottom of adjusting the casing, dead lever and link are integrated into one piece structure.
Further in the present invention; the surface of installation casing is provided with convenient adjusting part, convenient adjusting part is including promoting piece, connecting block and finger groove, wherein, the bilateral symmetry of installation casing is provided with and promotes the piece, the upper end that promotes the piece is provided with the connecting block, the inside even interval of connecting block is provided with the finger groove.
Further in the present invention; the inner surface of the finger groove is provided with a damping pad.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the limit locking assembly is arranged, the limit clamping block is used for limiting and fixing the trigger handle, so that the trigger handle is ensured to be locked stably, the squeezing effect is improved, the sewing quality is ensured, the manpower resource is saved, the limit spring is limited by the connecting rod and the guide rod, the moving convenience of the trigger handle is improved, the use quality is ensured, and the working strength is reduced.
2. According to the invention, the clamping and fixing assembly is arranged, and the limiting insertion block is inserted into the adjusting knob to limit the adjusting knob, so that the adjusting knob is prevented from rotating, the use stability of the adjusting knob is ensured, the condition of mistakenly touching the adjusting knob is reduced, the working precision is improved, and the working quality is ensured.
3. According to the invention, through arranging the convenient adjusting component, a finger can be inserted into the finger groove to pull the connecting block to drive the pushing block to move, so that the convenience of adjusting the pushing block is improved, the working quality is ensured, the manpower resource is saved, and the condition of slippery hand is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a positive lock assembly of the present invention;
FIG. 3 is a top view of the spacing locking assembly structure of the present invention;
FIG. 4 is a schematic view of the clamping fixture assembly of the present invention;
FIG. 5 is a schematic view of a stopper of the present invention;
FIG. 6 is a schematic view of a convenient adjustment assembly of the present invention.
In the figure: 1. holding the handle; 2. a limiting and locking assembly; 21. a non-slip mat; 22. a mounting frame; 23. a connecting rod; 24. a pull ring; 25. a damping fixture block; 26. a limiting clamping block; 27. a blocking block; 28. a guide groove; 29. a limiting spring; 3. an insurance button; 4. a convenient adjustment assembly; 41. a damping pad; 42. a pushing block; 43. connecting blocks; 44. a finger groove; 5. installing a shell; 6. clamping the fixing component; 61. fixing the rod; 62. a limiting chute; 63. installing a sliding block; 64. a damping rotating shaft; 65. rotating the rod; 66. limiting the inserting block; 67. adjusting a knob; 68. adjusting the shell; 69. a connecting frame; 7. a staple cartridge assembly; 8. the handle is fired.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a nail anvil can reciprocate and pivoted chamber mirror cutting anastomat, including taking handle 1, the upper end of taking handle 1 is provided with safety button 3, safety button 3's upper end is provided with installation casing 5, one side of installation casing 5 is provided with nail storehouse subassembly 7, one side of taking handle 1 is provided with firing handle 8, the surface of taking handle 1 corresponds firing handle 8 and is provided with spacing locking Assembly 2, spacing locking Assembly 2 includes mounting bracket 22, connecting rod 23, spacing fixture block 26, block piece 27, guide way 28 and spacing spring 29, wherein, surface one side of taking handle 1 is provided with mounting bracket 22, the inside symmetry of mounting bracket 22 is provided with guide way 28, the inside of guide way 28 is provided with blocks piece 27, be provided with spacing fixture block 26 between the guide way 28, one side symmetry that spacing fixture block 26 is close to mounting bracket 22 is provided with spacing spring 29.
Specifically, a damping fixture block 25 is arranged on one side surface of the limiting fixture block 26, and an anti-slip pad 21 is arranged on one side surface of the handle 1 far away from the firing handle 8.
Through adopting above-mentioned technical scheme, after one side of spacing fixture block 26 is gone into to percussion handle 8 card, damping fixture block 25 hugs closely on percussion handle 8's surface, prevents that it from appearing gliding condition.
Specifically, one side of the connecting rod 23, which is far away from the limiting fixture block 26, is provided with a pull ring 24, the surface of the connecting rod 23 is symmetrically provided with guide rods, and a bearing sleeve is arranged between the connecting rod 23 and the limiting fixture block 26.
Through adopting above-mentioned technical scheme for spacing fixture block 26 can drive connecting rod 23 and remove along the guide bar when the atress, guarantees the effect that connecting rod 23 used, and can pull ring 24 and make connecting rod 23 remove, guarantees the convenience of adjusting.
This embodiment is when using, when needs lock firing handle 8, press firing handle 8 and make its butt in one side of spacing fixture block 26, when firing handle 8 removes, spacing spring 29 compression makes spacing fixture block 26 remove, and spacing spring 29 resets and drives spacing fixture block 26 and remove after firing handle 8 compresses tightly, and make damping fixture block 25 hug closely on the surface of firing handle 8, guarantee the spacing fastness of firing handle 8, when needs operate firing handle 8, pulling pull ring 24 drives connecting rod 23 and removes, and rotate connecting rod 23 along the bearing housing, make the guide bar on connecting rod 23 surface misplace with the through-hole in mounting bracket 22, guarantee the sustainable stable compression of spacing spring 29, improve the effect that firing handle 8 used.
Example 2
The present embodiment is different from embodiment 1 in that: specifically, be provided with between installation casing 5 and the nail storehouse subassembly 7 and press from both sides tight fixed subassembly 6, it includes dead lever 61 to press from both sides tight fixed subassembly 6, spacing spout 62, installation slider 63, damping pivot 64, dwang 65, spacing inserted block 66, adjust knob 67, adjust casing 68 and link 69, wherein, one side of installation casing 5 is provided with adjusts casing 68, the bottom of adjusting casing 68 is provided with link 69, one side upper end of link 69 is provided with dead lever 61, the inside of dead lever 61 is provided with spacing spout 62, the inside of spacing spout 62 is provided with installation slider 63, the inside of installation slider 63 is provided with damping pivot 64, one side of damping pivot 64 is provided with dwang 65, the bottom of dwang 65 is provided with spacing inserted block 66, the upper end of adjusting casing 68 corresponds spacing inserted block 66 and is provided with adjust knob 67.
Through adopting above-mentioned technical scheme, rotate at adjust knob 67 and accomplish the back, remove installation slider 63 along spacing spout 62, and rotate dwang 65 along damping pivot 64, make spacing inserted block 66 correspond with adjust knob 67, and press spacing inserted block 66 along spacing spout 62 again, make its inside that inserts adjust knob 67 carry on spacingly to it, prevent that the mistake from bumping and causing adjust knob 67 pivoted condition, the stability of assurance equipment use, and the improvement work quality guarantees the operation precision.
Specifically, the inside of the adjusting knob 67 is provided with positioning holes corresponding to the limiting insertion blocks 66, and the surfaces of the limiting insertion blocks 66 are provided with clamping teeth at uniform intervals.
Through adopting above-mentioned technical scheme, the inside latch that corresponds of locating hole is provided with the meshing tooth, guarantees that spacing inserted block 66 inserts adjusting knob 67 can be fixed motionless behind the locating hole, improves spacing effect, guarantees fixed quality.
Specifically, the connecting frame 69 is mounted at the bottom end of the adjusting housing 68 through a fixing bolt, and the fixing rod 61 and the connecting frame 69 are of an integrally formed structure.
Through adopting above-mentioned technical scheme, improve the fastness and the stability of link 69 installation, guarantee equipment intensity, improve equipment's life.
This embodiment is used: after adjusting knob 67 rotates and accomplishes, remove installation slider 63 along spacing spout 62 to rotate dwang 65 along damping pivot 64, make spacing inserted block 66 correspond with adjusting knob 67, and press down spacing inserted block 66 along spacing spout 62 again, make its inside that inserts adjusting knob 67 carry on spacingly to it, prevent that the mistake from bumping and causing adjusting knob 67 pivoted condition, guarantee the stability of equipment use, improve work quality, guarantee the operation precision.
Example 3
This embodiment is different from embodiments 1 and 2 in that: specifically, the surface of installation casing 5 is provided with convenient adjusting part 4, and convenient adjusting part 4 is including promoting piece 42, connecting block 43 and finger groove 44, and wherein, the bilateral symmetry of installation casing 5 is provided with promotes piece 42, and the upper end that promotes piece 42 is provided with connecting block 43, and the inside even interval of connecting block 43 is provided with finger groove 44.
Through adopting above-mentioned technical scheme, when needs pulling promotion piece 42 and remove, block the inside of finger groove 44 with the finger to pulling connecting block 43 can drive and promote piece 42 and remove along installation casing 5, guarantees to promote convenience and stability that piece 42 stimulateeed, improves work efficiency, practices thrift manpower resources.
Specifically, the inner surface of the finger groove 44 is provided with a damping pad 41.
Through adopting above-mentioned technical scheme, the condition of slippage appears after preventing that the finger from inserting the inside in finger groove 44, guarantees the stability of equipment use.
This embodiment is when using, when needs pulling promotion piece 42 and remove, with the inside of finger card income finger groove 44 to pulling connecting block 43 can drive and promote piece 42 and remove along installation casing 5, guarantees to promote convenience and stability that piece 42 pulled, improves work efficiency, practices thrift manpower resources.
The structure and the use principle of the safety button 3, the adjusting knob 67 and the nail bin assembly 7 in the invention are disclosed in an endoscopic cutting anastomat which is disclosed in Chinese patent application number 201310624426.X and can move and rotate the nail anvil up and down.
The working principle and the using process of the invention are as follows: when the invention is used, when the trigger handle 8 needs to be locked, the trigger handle 8 is pressed to abut against one side of the limiting clamping block 26, when the trigger handle 8 moves, the limiting spring 29 is compressed to enable the limiting clamping block 26 to move, and after the trigger handle 8 is tightly pressed, the limiting spring 29 is reset to drive the limiting clamping block 26 to move, and the damping clamping block 25 is tightly attached to the surface of the trigger handle 8, so that the limiting firmness of the trigger handle 8 is ensured, when the trigger handle 8 needs to be operated, the pull ring 24 is pulled to drive the connecting rod 23 to move, and the connecting rod 23 is rotated along the bearing sleeve, so that the guide rod on the surface of the connecting rod 23 is dislocated with the through hole in the mounting frame 22, the limiting spring 29 can be continuously and stably compressed, and the use effect of the trigger handle 8 is improved;
after the adjusting knob 67 is rotated, the mounting slide block 63 is moved along the limiting slide groove 62, the rotating rod 65 is rotated along the damping rotating shaft 64, the limiting insertion block 66 corresponds to the adjusting knob 67, and the limiting insertion block 66 is pressed along the limiting slide groove 62 and inserted into the adjusting knob 67 to limit the adjusting knob, so that the rotating condition of the adjusting knob 67 caused by mistaken collision is prevented, the use stability of equipment is ensured, the working quality is improved, and the operation precision is ensured;
when the pushing block 42 needs to be pulled to move, a finger is clamped into the finger groove 44, the connecting block 43 is pulled to drive the pushing block 42 to move along the mounting shell 5, convenience and stability of pulling of the pushing block 42 are guaranteed, work efficiency is improved, and manpower resources are saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a nail anvil can reciprocate and pivoted chamber mirror cutting anastomat, includes handle (1) of taking, its characterized in that: the upper end of the holding handle (1) is provided with a safety button (3), the upper end of the safety button (3) is provided with an installation shell (5), one side of the installation shell (5) is provided with a nail bin assembly (7), one side of the holding handle (1) is provided with a percussion handle (8), the surface of the holding handle (1) is provided with a limit locking assembly (2) corresponding to the percussion handle (8), the limit locking assembly (2) comprises an installation frame (22), a connecting rod (23), a limit clamping block (26), a blocking block (27), guide grooves (28) and a limit spring (29), wherein the installation frame (22) is arranged on one side of the surface of the holding handle (1), the guide grooves (28) are symmetrically arranged in the installation frame (22), the blocking block (27) is arranged in the guide grooves (28), and the limit clamping block (26) is arranged between the guide grooves (28), and one side of the limiting clamping block (26) close to the mounting frame (22) is symmetrically provided with limiting springs (29).
2. The endoscopic cutting stapler with an anvil capable of moving and rotating up and down according to claim 1, wherein: a damping clamping block (25) is arranged on one side surface of the limiting clamping block (26), and an anti-skid pad (21) is arranged on one side surface of the holding handle (1) far away from the firing handle (8).
3. The endoscopic cutting stapler with an anvil capable of moving and rotating up and down according to claim 1, wherein: one side of the connecting rod (23) far away from the limiting clamping block (26) is provided with a pull ring (24), the surface of the connecting rod (23) is symmetrically provided with guide rods, and a bearing sleeve is arranged between the connecting rod (23) and the limiting clamping block (26).
4. The endoscopic cutting stapler with an anvil capable of moving and rotating up and down according to claim 1, wherein: the nail magazine is characterized in that a clamping and fixing component (6) is arranged between the mounting shell (5) and the nail magazine component (7), the clamping and fixing component (6) comprises a fixing rod (61), a limiting sliding groove (62), a mounting sliding block (63), a damping rotating shaft (64), a rotating rod (65), a limiting insert block (66), an adjusting knob (67), an adjusting shell (68) and a connecting frame (69), wherein the adjusting shell (68) is arranged on one side of the mounting shell (5), the connecting frame (69) is arranged at the bottom end of the adjusting shell (68), the fixing rod (61) is arranged at the upper end of one side of the connecting frame (69), the limiting sliding groove (62) is arranged in the fixing rod (61), the mounting sliding block (63) is arranged in the limiting sliding groove (62), the damping rotating shaft (64) is arranged in the mounting sliding block (63), the rotating rod (65) is arranged on one side of the damping rotating shaft (64), the bottom of dwang (65) is provided with spacing inserted block (66), the upper end of adjusting the casing (68) corresponds spacing inserted block (66) and is provided with adjust knob (67).
5. The laparoscopic cutting stapler with the anvil capable of moving up and down and rotating according to claim 4, wherein: the inside of adjusting knob (67) corresponds spacing inserted block (66) and is provided with the locating hole, the even interval in surface of spacing inserted block (66) is provided with the latch.
6. The laparoscopic cutting stapler with the anvil capable of moving up and down and rotating according to claim 4, wherein: the connecting frame (69) is installed at the bottom end of the adjusting shell (68) through a fixing bolt, and the fixing rod (61) and the connecting frame (69) are of an integrally formed structure.
7. The endoscopic cutting stapler with an anvil capable of moving and rotating up and down according to claim 1, wherein: the surface of installation casing (5) is provided with convenient adjusting part (4), convenient adjusting part (4) are including promoting piece (42), connecting block (43) and finger groove (44), wherein, the bilateral symmetry of installation casing (5) is provided with and promotes piece (42), the upper end that promotes piece (42) is provided with connecting block (43), the even interval in inside of connecting block (43) is provided with finger groove (44).
8. The laparoscopic cutting stapler with the anvil capable of moving up and down and rotating according to claim 7, wherein: the inner surface of the finger groove (44) is provided with a damping pad (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660735.7A CN113288279B (en) | 2021-06-15 | 2021-06-15 | Endoscope cutting anastomat with nail anvil capable of moving up and down and rotating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660735.7A CN113288279B (en) | 2021-06-15 | 2021-06-15 | Endoscope cutting anastomat with nail anvil capable of moving up and down and rotating |
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| Publication Number | Publication Date |
|---|---|
| CN113288279A true CN113288279A (en) | 2021-08-24 |
| CN113288279B CN113288279B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110660735.7A Active CN113288279B (en) | 2021-06-15 | 2021-06-15 | Endoscope cutting anastomat with nail anvil capable of moving up and down and rotating |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268954A (en) * | 2003-05-20 | 2008-09-24 | 伊西康内外科公司 | Surgical stapling instrument having an electroactive polymer actuated single lockout mechanism for prevention of firing |
| CN101310680A (en) * | 2007-05-25 | 2008-11-26 | Tyco医疗健康集团 | Staple buttress retention system |
| CN101816581A (en) * | 2010-04-06 | 2010-09-01 | 杭州桐庐尖端医光器械总厂 | Pipy digestive tract stapler |
| CN105982710A (en) * | 2015-01-28 | 2016-10-05 | 常州安康医疗器械有限公司 | Novel continuously variable locking mechanism of circular stapler |
-
2021
- 2021-06-15 CN CN202110660735.7A patent/CN113288279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268954A (en) * | 2003-05-20 | 2008-09-24 | 伊西康内外科公司 | Surgical stapling instrument having an electroactive polymer actuated single lockout mechanism for prevention of firing |
| CN101310680A (en) * | 2007-05-25 | 2008-11-26 | Tyco医疗健康集团 | Staple buttress retention system |
| US20160345977A1 (en) * | 2007-05-25 | 2016-12-01 | Covidien Lp | Staple buttress retention system |
| CN101816581A (en) * | 2010-04-06 | 2010-09-01 | 杭州桐庐尖端医光器械总厂 | Pipy digestive tract stapler |
| CN105982710A (en) * | 2015-01-28 | 2016-10-05 | 常州安康医疗器械有限公司 | Novel continuously variable locking mechanism of circular stapler |
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| CN113288279B (en) | 2022-04-15 |
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