CN104224259A - Disposable internal opening cutting and enclosing anastomat - Google Patents
Disposable internal opening cutting and enclosing anastomat Download PDFInfo
- Publication number
- CN104224259A CN104224259A CN201410467345.8A CN201410467345A CN104224259A CN 104224259 A CN104224259 A CN 104224259A CN 201410467345 A CN201410467345 A CN 201410467345A CN 104224259 A CN104224259 A CN 104224259A
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- Prior art keywords
- nail
- nail bin
- anastomat
- gun
- board slot
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00646—Type of implements
- A61B2017/00663—Type of implements the implement being a suture
-
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0807—Indication means
- A61B2090/0811—Indication means for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of disposable anastomats, in particular to a disposable internal opening cutting and enclosing anastomat. The disposable internal opening cutting and closing anastomat comprises a cutting molding assembly, a transmission assembly and a gun body provided with a triggering assembly, wherein the cutting molding assembly comprises a nail cabin bracket, a scalpel support ring, a nail pressing seat, a nail pushing device, a nail cabin support and a nail cabin; the nail cabin is clamped in a clamping groove of the nail cabin support through a buckle; the nail cabin support is directly connected with the gun body through the transmission assembly; the head of the nail cabin is circular-arc-shaped or parabolic; nail grooves of the nail cabin are of asymmetrical mode; the transmission assembly comprises a transmission lead screw; the lead screw is a large-screw-pitch left-handed lead screw; the tail end of the lead screw is connected with a corresponding lengthened nut assembly; the lengthened nut assembly and a knob positioned at the tail end of the gun body are molded together by injecting or embedded together; the gun body is a lever type or connecting-rod-type gun body. The disposable internal opening cutting and enclosing anastomat is skillful in design, and has a good application prospect; by adopting the disposable internal opening cutting and enclosing anastomat, a plurality of use problems in the prior art can be solved effectively.
Description
Technical field
The present invention relates to disposable stapling technique in anus reservation field, especially a kind of single use internal orifice is cut and is closed anastomat.
Background technology
On market, existing various types of anastomat, is widely used in each several part tissue of coincided with human body, can reduces operating time in surgical operation, and improve surgical quality, anastomotic stoma is solid and reliable, and haemostatic effect is good.
But existing circular Endo-GIA is in use, still there are problems:
The first, in existing structure, nail bin shape is cylindrical, and there is obstruction in its visual field, can not form open surgical field of view, and wound surface Oversewing space face is less, inconvenient medical personnel's operation.
The second, the nail groove on existing nail bin is normally symmetrical arranged, be 2 queuings close wound surface+0 queue up cut and organize wound surface pattern.In actual use, wound surface size differs, the stitching wound surface of usual anastomat head is 1 centimeter ~ 1.5 centimeters, suppose under the stitching wound surface of 1 centimeter, 2 conventional nail-arranging slots generally only have 5 pieces of suturing nails, sewing density is less, and such stitching wound surface still easily occurs hemorrhage, can not bear 220 mmhg pressure problems.
3rd, when conventional round anastomat is sewed up, be all nail supporting base motion, nail bin does not move, and will change classic screw direction of rotation like this, does not change the operating habit of doctor, is more inconvenient concerning the operation process of anxiety.
4th, existing nail bin and nail supporting base and non-dismountablely between nail supporting base with the body of a gun to be connected, user of service can not realizing self disassembling, and especially nail bin can not independently be changed, and can only change by whole anastomat when change, equipment consumption is larger.
Summary of the invention
In order to overcome above-mentioned many use problems, the invention provides a kind of single use internal orifice and cutting and close anastomat.
The technical solution adopted for the present invention to solve the technical problems is: a kind of single use internal orifice is cut and closed anastomat, comprise excision forming assembly, transmission component and the body of a gun with percussion assembly, described excision forming assembly comprises nail bin support, knife washer, nail supporting base, nail pushing device, nail bin holder and nail bin, described nail bin stent ends mounting mat cutter ring, nail supporting base, nail pushing device successively, nail bin is stuck in the draw-in groove of nail bin holder by buckle, and nail bin holder is directly connected with the body of a gun by transmission component; Described nail bin head is circular arc or parabolic type, and the nail groove of nail bin is arranged as asymmetric or symmetric pattern; Described transmission component comprises a drive lead screw, and screw mandrel is the left-handed screw mandrel of coarse pitch, and this screw mandrel end is connected with corresponding lengthening formula nut assembly, lengthen formula nut assembly be positioned at body of a gun end knob injection moulding or together with being embedded in.Relate to four innovative points in this programme, one is that nail bin of the present invention is stuck in the draw-in groove of nail bin holder by buckle, and nail bin can freely be dismantled; Two is that nail bin holder is directly connected with transmission component, and transmission component operationally directly can promote nail bin holder work, and then promotes nail bin work; Three be nail bin head of the present invention profile design and nail groove arrangement design, can increase wound surface sew up area, reduce sew up time hemorrhage; Four is the left-handed screw mandrels for coordinating nail bin motion to design, conventional is dextrorotation screw mandrel, but when promoting nail bin and travelling forward, right-handed thread screw mandrel needs backwards rotation, violate the conventional use habit of medical personnel, therefore be operation safety, be adjusted to left hand thread screw mandrel, simultaneously, is furnished with the metal nuts assembly of lengthening, ensure linearity during precession, ensure that the direction of power does not bend, do not change.
According to another embodiment of the invention, comprise further, the asymmetric mode of described nail groove arrangement is that 3 queuings close wound surface+1 and queue up and cut and organize wound surface pattern, 2 closed wound surface+1 of queuing up and queue up and cut and organize wound surface pattern, and symmetric pattern is that 2 queuings close wound surface+2 and queue up and cut and organize wound surface pattern or 3 closed wound surface+3 of queuing up and queue up and cut and organize wound surface pattern.Have employed multiple nail groove that is asymmetric or symmetric pattern in this programme to arrange, under the stitching distance of same 1 centimeter, the stitching mouth quantity of this programme can significantly improve, and can reach 8 pieces of stitching mouths as closed wound surface+1 queuing of 3 queuing cuts and organizes wound surface pattern, sewing density is large, can effectively reduce hemorrhage.
According to another embodiment of the invention, comprise further, described transmission component comprises manual reset button, outer clip board slot, inner clip board slot, screw mandrel, the knob being injected with lengthening formula nut assembly, push broach plate, nail holder, adapter sleeve, holding support and pilot pin; Described inner clip board slot directly welds with nail bin holder, inner clip board slot is placed in outer clip board slot, manual reset button is placed in inner clip board slot, the side wall surface of manual reset button is provided with pivot pin chute one, the side wall surface of inner clip board slot is provided with pivot pin chute two, the installation that pivot pin passes pivot pin chute one, pivot pin chute two realizes manual reset button; The interior nail bin that promotes of screw mandrel draw-in groove that described screw mandrel is fixed on inner clip board slot end is consigned dynamic; The plate of described push broach plate is also provided with nail holder, adapter sleeve, holding support and pilot pin with it.This programme is a kind of connected mode of transmission component, and it is most particularly provided with SR, and this SR conveniently can realize the repeatedly installation of nail bin.
According to another embodiment of the invention, comprise further, pivot pin chute two one end of described inner clip board slot is large, and one end is little, and large one end is provided with the inclined-plane blocking SR, and little one end is locked position of coupler, and large one end is open position.This programme is the art chute designs of SR, and it makes SR can realize locking when moving to open position, when pressing from inclined-plane, can move and return to locked position of coupler.
According to another embodiment of the invention, comprise further, the described body of a gun is the lever body of a gun, and this body of a gun comprises clamping plate axle, push broach plate, lock tube, pushing block, housing, knob and firing device; Described clamping plate axle front end is arranged on transmission component, and end is locked by the housing of lock tube and the body of a gun, and described housing is provided with the pushing block, knob and the firing device that control percussion.The body of a gun adopted in this programme is the lever body of a gun, and the knob of its end accurately can control the movement of nail bin, improve the accuracy of suture time gap, and the body of a gun is convenient to hold, and meets the use habit of medical personnel.
The invention has the beneficial effects as follows,
(1) the present invention effectively reduces narrow position, and wound surface Oversewing space is large, and asymmetrical closed end face designs and effectively can increase sewing density with excision end face, less blood outlet, solves the bleeding problems of conventional anastomat; Parabolical nail bin head design, expands wound surface Oversewing space, is more suitable for human organ;
(2) when the present invention works, nail bin head does movement, utilizes left-handed screw mandrel to go to ensure the use habit of medical personnel simultaneously, effectively reduces the opening time of apparatus in operation use procedure, increase work efficiency, ensure operation safety.
(3) nail bin of the present invention and nail supporting base are detachable design, and medical personnel can independently dismantle, and change nail bin head, easy to operate, decrease expending of medical device.
(4) the present invention strictly observes and meets the use habit of medical personnel, can ensure the safety of scalpel, and can provide operation accuracy, improves and sews up precision.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is partial exploded view of the present invention.
Fig. 3 is overall explosive view of the present invention.
Fig. 4 is nail bin head construction schematic diagram of the present invention.
In figure, 100, excision forming assembly, 200, transmission component, 300, the body of a gun, 1, nail bin support, 2, knife washer, 3, nail supporting base, 4-4, manual reset button, 5, nail pushing device, 6, push broach plate, 7, nail bin, 7-1, nail holder, 7-2, adapter sleeve, 7-3, holding support, 7-4, pilot pin, 7-5, insert groove, 7-8, nail groove, 8, lock tube, 9, pushing block, 10, housing, 11, knob, 12, firing device, 13, clamping plate axle, 14, nail bin holder, 11-11, outer clip board slot, 12-12, inner clip board slot, 13-13, pivot pin chute one, 14-14, pivot pin chute two, 15-15, pivot pin, 16, screw mandrel, 17, lengthening formula nut assembly, 18, screw mandrel draw-in groove, 101, draw-in groove, 201, buckle.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 ~ 4 and embodiment, the present invention is further illustrated.
As shown in Figure 1, 2, 3, single use internal orifice is cut and is closed anastomat, comprise excision forming assembly 100, transmission component 200 and the body of a gun 300 with percussion assembly, described excision forming assembly 100 comprises nail bin support 1, knife washer 2, nail supporting base 3, nail pushing device 5, nail bin holder 14 and nail bin 7, described nail bin support 1 end mounting mat cutter ring 2, nail supporting base 3, nail pushing device 5 successively, nail bin 7 is stuck in the draw-in groove 101 of nail bin holder 14 by buckle 201, and nail bin holder 14 is directly connected with the body of a gun 300 by transmission component 200.In the present embodiment, transmission component 200 directly can promote nail bin 7 and move, and owing to being that buckle connects, nail bin 7 can take off from nail bin holder 14 easily.Choosing advantageously, in the present embodiment, transmission component 200 is detachable transmission component, and transmission component 200 is primarily of the composition such as manual reset button 4-4, outer clip board slot 11-11, inner clip board slot 12-12, screw mandrel 16, the knob 11 being injected with lengthening formula nut assembly, push broach plate 6, nail holder 7-1, adapter sleeve 7-2, holding support 7-3 and pilot pin 7-4.Establish nail holder 7-1, adapter sleeve 7-2, holding support 7-3 and pilot pin 7-4 with it at the plate of the push broach plate 6 of transmission component, holding support 7-3 promotes pilot pin 7-4 and inserts in nail groove, ensures that nail bin 7 and nail bin support 1 are symmetrical up and down.Inner clip board slot 11-11 is directly connected with nail bin holder 14, inner clip board slot 12-12 is placed in outer clip board slot 11-11, manual reset button 4-4 is placed in inner clip board slot 11-11, the side wall surface of pushing block 4-4 is provided with pivot pin chute one 13-13, and the side wall surface of inner clip board slot 12-12 is provided with pivot pin chute two 14-14, and pivot pin chute two 14-14 one end of described inner clip board slot 12-12 is large, one end is little, large one end is provided with the inclined-plane blocking SR 4-4, and little one end is locked position of coupler, and large one end is open position.Pivot pin 15-15 realizes being slidably connected of manual reset button 4-4 through pivot pin chute one 13-13, pivot pin chute two 14-14.Operationally, manual reset button 4-4 moves along direction shown in accompanying drawing 1, move to large one end, by chamfer recess bayonet socket, now nail bin can freely take off, when after the upper new nail bin of assembling, press manual reset button 4-4, manual reset button 4-4 falls, and back promotes, prop up nail bin, locking nail bin.Product of the present invention cutting openings when dispatching from the factory first reaches position, is 19.5mm at present, when medical personnel carry out surgical work, only needs directly to promote nail bin with closing tissue, decreases the opening time of conventional anastomat nail storehouse seat in operation process.Certainly, nail bin and nail bin holder, directly except being connected together, also can select conventional non-dismountable formula, as long as be connected directly between on transmission component, transmission component directly can control nail bin activity, unrestricted herein.
Because the present invention changes conventional anastomat mode of operation, during operation, transmission component directly promotes nail bin work, and nail bin seat does not work, change the conventional direction of motion, because the direction of motion changes, for ensureing the use habit of medical personnel, therefore the hand of spiral of screw mandrel is also adjusted, it is designed to as the left-handed screw mandrel of coarse pitch, and connect corresponding lengthening formula nut assembly at this screw mandrel end, left-handed screw mandrel can ensure that the use habit of medical personnel does not change, be equally dextrorotation enter left-handed go out, ensure operation safety, lengthening formula nut assembly can ensure the linearity of screw mandrel precession, thrust direction is not changed, do not bend, improve the operating accuracy of anastomat.When arranging, as shown in Figure 2, the locating slot 18 of fixing screw mandrel 16 is established at inner clip board slot 11-11 end, screw mandrel 16 head end finally can be butted in locating slot 18, screw mandrel 16 end is connected with lengthening formula nut assembly 17, lengthening formula nut assembly 17 be positioned at both knobs 11 injection moulding of the body of a gun 300 end or together with being embedded in, to advance when rotating, nut can not be taken off.
As shown in Figure 4, another one feature of the present invention is, nail bin 7 head is circular arc or parabolic type, and circular arc type or parabolical nail bin profile design can effectively reduce narrow position, makes section Oversewing space become large, and is more suitable for human organ.When nail bin 7 uses circular arc type, nail bin support 1 also supports the use the end face of circular arc.The nail groove 7-8 of nail bin 7 is asymmetric or symmetric pattern, and preferably, nail groove 7-8 adopts asymmetric mode, and have four roads, three roads are positioned at insert groove 7-5 the same side, form closing end, are positioned at insert groove 7-5 opposite side together, forms excision end.Asymmetric closed end face to be arranged the bleeding problems designing and can effectively prevent when sewing up with the nail bin of excision end face.
The body of a gun 300 of the present invention is the lever body of a gun, and this body of a gun 300 comprises clamping plate axle 13, push broach plate 6, lock tube 8, pushing block 9, housing 10, knob 11 and firing device 12; Described clamping plate axle 13 front end is arranged on transmission component 200, and end is locked by the housing 100 of lock tube 8 with the body of a gun 300, and described housing 10 is provided with the pushing block 9, knob 11 and the firing device 12 that control percussion.Above-mentioned just a preferred embodiment of the present invention, wherein, the body of a gun can be the lever body of a gun, the link-type body of a gun, fixed frame or adjustablely to keep fit, and wherein, body of a gun rifle head can combination in any use as required, reaches the result of use be better more suitable for.
It is wonderful that the present invention designs key, and structure is simple, effectively can solve multiple use problem of the prior art, have a good application prospect.
Claims (5)
1. a single use internal orifice is cut and is closed anastomat, comprise excision forming assembly (100), transmission component (200) and the body of a gun (300) with percussion assembly, it is characterized in that, described excision forming assembly (100) comprises nail bin support (1), knife washer (2), nail supporting base (3), nail pushing device (5), nail bin holder (14) and nail bin (7), described nail bin support (1) end mounting mat cutter ring (2) successively, nail supporting base (3), nail pushing device (5), nail bin (7) is stuck in the draw-in groove (101) of nail bin holder (14) by buckle (201), nail bin holder (14) is directly connected with the body of a gun (300) by transmission component (200), described nail bin (7) head is circular arc or parabolic type, and the nail groove (7-8) of nail bin (7) is arranged as asymmetric or symmetric pattern, described transmission component (200) comprises a drive lead screw (16), screw mandrel (16) is the left-handed screw mandrel of coarse pitch, and this screw mandrel (16) end is connected with corresponding lengthening formula nut assembly (17), lengthen formula nut assembly (17) together with the injection mouldings of both knobs (11) being positioned at the body of a gun (300) end or being embedded in.
2. single use internal orifice according to claim 1 is cut and is closed anastomat, it is characterized in that, described nail groove (7-8) be arranged with asymmetric mode be 2 queuings close wound surface+1 queue up cut and organize wound surface pattern, symmetric pattern 3 closed wound surface+1 of queuing up queues up and cuts and organizes wound surface pattern; Described symmetric pattern is queued up and is cut and organized wound surface pattern or 3 closed wound surface+3 of queuing up for closing wound surface+2 for 2 queuings and queue up and cut and organize wound surface pattern.
3. single use internal orifice according to claim 1 is cut and is closed anastomat, it is characterized in that, described transmission component (200) comprises manual reset button (4-4), outer clip board slot (11-11), inner clip board slot (12-12), screw mandrel (16), the knob (11) being injected with lengthening formula nut assembly, push broach plate (6), nail holder (7-1), adapter sleeve (7-2), holding support (7-3) and pilot pin (7-4); Described inner clip board slot (11-11) is directly welded with nail bin holder (14), inner clip board slot (12-12) is placed in outer clip board slot (11-11), manual reset button (4-4) is placed in inner clip board slot (11-11), the side wall surface of manual reset button (4-4) is provided with pivot pin chute one (13-13), the side wall surface of inner clip board slot (12-12) is provided with pivot pin chute two (14-14), and pivot pin (15-15) realizes the installation of manual reset button (4-4) through pivot pin chute one (13-13), pivot pin chute two (14-14); Interior nail bin holder (14) that promotes of screw mandrel draw-in groove (18) that described screw mandrel (16) is fixed on inner clip board slot (11-11) end moves; The plate of described push broach plate (6) is also provided with nail holder (7-1), adapter sleeve (7-2), holding support (7-3) and pilot pin (7-4) with it.
4. single use internal orifice according to claim 3 is cut and is closed anastomat, it is characterized in that, pivot pin chute two (14-14) one end of described inner clip board slot (12-12) is large, one end is little, large one end is provided with the inclined-plane blocking SR (4-4), little one end is locked position of coupler, and large one end is open position.
5. single use internal orifice according to claim 1 is cut and is closed anastomat, it is characterized in that, the described body of a gun (300) is lever or the link-type body of a gun, and this body of a gun (300) comprises clamping plate axle (13), push broach plate (6), lock tube (8), pushing block (9), housing (10), knob (11) and firing device (12); Described clamping plate axle (13) front end is arranged on transmission component (200), end is locked by the housing (100) of lock tube (8) with the body of a gun (300), and described housing (10) is provided with the pushing block (9), knob (11) and the firing device (12) that control percussion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467345.8A CN104224259B (en) | 2014-09-15 | 2014-09-15 | Disposable internal opening cutting and enclosing anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467345.8A CN104224259B (en) | 2014-09-15 | 2014-09-15 | Disposable internal opening cutting and enclosing anastomat |
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| Publication Number | Publication Date |
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| CN104224259A true CN104224259A (en) | 2014-12-24 |
| CN104224259B CN104224259B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410467345.8A Active CN104224259B (en) | 2014-09-15 | 2014-09-15 | Disposable internal opening cutting and enclosing anastomat |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236167A (en) * | 2016-06-30 | 2016-12-21 | 盐城远扬医疗器械科技有限公司 | Anastomat |
| CN106308864A (en) * | 2016-08-31 | 2017-01-11 | 江苏钱璟医疗器械有限公司 | Asymmetric annular cutting stapler of toothed portion |
| CN109009283A (en) * | 2018-08-26 | 2018-12-18 | 江苏孜航精密五金有限公司 | The nail bin transmission mechanism of disposable arc line shaped Endo-GIA |
| CN109009285A (en) * | 2018-08-26 | 2018-12-18 | 江苏孜航精密五金有限公司 | The resist-nailed seat revolving joint of disposable arc line shaped Endo-GIA |
| CN109009284A (en) * | 2018-08-26 | 2018-12-18 | 江苏孜航精密五金有限公司 | The replaceable nail bin groupware of disposable arc line shaped Endo-GIA |
| CN112472178A (en) * | 2020-11-30 | 2021-03-12 | 常州安康医疗器械有限公司 | Disposable arc-shaped cutting anastomat |
| CN113598859A (en) * | 2021-09-14 | 2021-11-05 | 吴杲 | Semicircular eversion anastomat and using method thereof |
| WO2022006804A1 (en) * | 2020-07-09 | 2022-01-13 | Covidien Lp | Safety feature for surgical stapling instrument |
| WO2022143721A1 (en) * | 2020-12-29 | 2022-07-07 | 天臣国际医疗科技股份有限公司 | Surgical stapler |
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