CN101433467A - Instrument for cutting and stitching in surgery - Google Patents
Instrument for cutting and stitching in surgery Download PDFInfo
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- CN101433467A CN101433467A CNA2007101352629A CN200710135262A CN101433467A CN 101433467 A CN101433467 A CN 101433467A CN A2007101352629 A CNA2007101352629 A CN A2007101352629A CN 200710135262 A CN200710135262 A CN 200710135262A CN 101433467 A CN101433467 A CN 101433467A
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- nail
- anvil
- cutting
- stitching
- nail bin
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Abstract
The invention relates to cutting-binding equipment for surgery, and belongs to the technical field of medical apparatus. The equipment comprises a head part and a machine body, wherein the head part comprises a nail anvil and a nail box which are opposite to each other and form two action faces with adjustable distance. The equipment is characterized in that the nail box, a nail pushing plate and a cutting knife are curved, the nail anvil is connected with the machine body by a support rod, and under the action of an actuating device, the nail anvil can move toward the second position from the first position. When the equipment is used in a hemorrhoid surgery cutting-off operation, except the removal of the hemorrhoid, the curved cutting knife does not damage other normal tissues, so that one or two pathologic hemorrhoids can be successfully and accurately cut off, but other normal tissues can not be damaged due to the operation.
Description
Technical field
The present invention relates to a kind of surgical operating instrument, relate in particular to a kind of instrument for cutting and stitching in surgery, be in particular a kind of surgery hemorrhoid cutting bookbinding device, belong to technical field of medical instruments.
Background technology
People were to the history in surplus the understanding of hemorrhoid existing 4000 year, and the theory of relevant hemorrhoid emerges in an endless stream for a long time.Since 18th century, hemorrhoid are considered to the abundant venous plexus that rectum lower end or anal canal position exist, if at a place or expansion takes place at the number place or varicose promptly becomes hemorrhoid, that is hemorrhoid are the vein groups of giving prominence to, and are the vascular lesions that a variety of causes causes.Since the seventies in 20th century, the research of hemorrhoid has been obtained breakthrough, anatomy, histology and physiological discovery have been given modern notion to hemorrhoid.Thomson proposed first in 1975, and " hemorrhoid are normal anatomical structures that everybody all has, and are lip shape wart or anus pad (anal cushions) in the rectum lower end, and the pathology hypertrophy of anus pad is the hemorrhoid disease." this new notion is subjected to Alexander-Williams (1982), Bemstein (1983) and Melzier famous scholars' such as (1984) support.The external anorectal disease of publishing is recently learned the new ideas that extensively adopted hemorrhoid in the monograph, in the past few years also gains recognition gradually in China anorectal surgical educational circles nearly 10.
The traditional method of internal hemorrhoid treatment comprises that injection of sclerosing agent, rubber snare are pricked and various forms of excision arts etc., all is to treat at hemorrhoid itself, is intended to make blood stasis to dwindle or disappears.In the surgical operation of hemorrhoid excision, a kind of PPH of being called operation method is arranged, i.e. mucosa ring cutting art on the hemorrhoid of carrying out under the help of tubular bookbinding device.Its principle is: organize under the situation at reservation anus pad, with mucosa, the about 3～4cm of submucosa tissue circular resection on internal hemorrhoid and the hemorrhoid, two ends simultaneously coincide, in blocking-up hemorrhoid supply vascular flow, reach slippage organized and upwards suspend fixed purpose in midair, make the anorectal region of pathological state return to normal anatomic status.
Utilization PPH operative treatment severe hemorrhoids, advantages such as having the postoperative pain of alleviating, reduce postoperative hemorrhage, shorten the hospital stays, accelerate recovery period, do not influence daily life, relapse rate is low, the whole surgery process only needs 8～15 minutes, and operation back patient does not almost have the sensation of pain.Because operation has solved the pathogenetic root of hemorrhoid, so it is more satisfactory to reach long-term effect in the recent period.Treat very thorny hemorrhoid for some with traditional remedies, as mixed hemorrhoid, ring-type hemorrhoid, serious prolapse of hemorrhoid, proctoptosis etc., the PPH operation has unique curative effect equally.
Yet clinical practice finds that some patient is not that pathological changes takes place 3 hemorrhoid simultaneously, but wherein 1 or 2 hemorrhoid morbidities at this moment, are used present tubular type binding apparatus excision one circle, and no matter whether all morbidity all can be by disposable complete resection for 3 hemorrhoid.Obviously, this operation will cause unnecessary damage to the patient, and post-operative recovery is not had good effect yet, be unfavorable for the clinical application of this operation method.
U.S. Pat 7210609 has been put down in writing a kind of Binding Instrument of treatment hemorrhoid of semi-ring type, but respectively there is a support bar both sides of this kind Binding Instrument, and during use, hemorrhoidal tissue is not easy to be put into the suture zone of apparatus.U.S. Pat 6805273 has been put down in writing a kind of Binding Instrument of semi-ring type, be used in pipe, going handling tissue, but this apparatus is not the apparatus that is used for treating hemorrhoid specially, when being applied to the hemorrhoid cutting operation, also have a lot of improper parts to have much room for improvement,, can draw close and change to nail anvil along with nail bin such as the height of hemorrhoidal tissue when putting into apparatus, cause excessive tractive hemorrhoidal tissue, this effect to operation causes a lot of harmful effects.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of instrument for cutting and stitching in surgery is provided.
Purpose of the present invention is achieved through the following technical solutions:
Instrument for cutting and stitching in surgery, comprise head and fuselage, fuselage is in the middle rear side of apparatus, comprise bindiny mechanism and firing lock, head is that pathological tissues is cut contact site with stitching, comprise nail anvil and nail bin, nail anvil is relative with nail bin, form two acting surfaces that spacing is adjustable, cutting and stitching operation to pathological tissues are to carry out between these two acting surfaces, the acting surface of nail anvil side is provided with the nail forming tank, the acting surface of nail bin side is provided with the nail bin hole, the operation nail is housed, nail bin rear side pushing slice of nail in the nail bin hole, the inboard is provided with cutting knife, the position of pushing slice of nail is corresponding with the nail bin hole, pushing slice of nail links to each other with the firing lock of ejector pin bar with the fuselage position by the ejector pin seat, it is characterized in that: described nail bin, pushing slice of nail, cutting knife is curved shape, and nail anvil is connected with fuselage by a support bar, and under the effect of actuating device, nail anvil moves to the second position from primary importance.
Purpose of the present invention can also come further to realize by the following technical programs:
Above-mentioned instrument for cutting and stitching in surgery, wherein, described nail anvil, nail bin, pushing slice of nail and cutting knife are the bending open loop structure that adapts to each other.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described nail anvil is a closed-loop structure, and nail bin, pushing slice of nail and cutting knife are the bending open loop structure that adapts to each other.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described pushing slice of nail becomes a row or two inboard or the outsides that are arranged in cutting knife, and perhaps the inside and outside both sides of the cutting knife row or two that arranges simultaneously arranges pushing slice of nail.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described support bar is a pin anvil shaft, and the bindiny mechanism at fuselage position comprises anvil pull rod, screw mandrel and adjusting knob, and nail anvil is fixedlyed connected with pin anvil shaft, and pin anvil shaft connects anvil pull rod.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described pin anvil shaft and anvil pull rod are the integral body that an integral type is made; Or two parts, both are by pin or be threaded togather.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, the one or both sides of the acting surface of described nail bin are provided with anti-overflow device.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described anti-overflow device is the anti-overflow bar that is fixed on the nail bin, or the limit rod that is movably connected with nail bin and nail anvil, or alignment pin to be opened/closed.
Again further, above-mentioned instrument for cutting and stitching in surgery, wherein, described primary importance is a nail anvil away from position, the second position of nail bin is the position of nail anvil near nail bin.
Further, above-mentioned instrument for cutting and stitching in surgery, wherein, described actuating device is an adjusting knob.
The outstanding substantive distinguishing features and the obvious improvement of technical solution of the present invention is mainly reflected in: utilize bookbinding device provided by the invention to carry out the operation of hemorrhoid surgical cutting, its curved cutter is in the hemorrhoid excision, other normal structure is not constituted destruction, so both guaranteed that the hemorrhoid of 1 or 2 generation pathological changes can be excised smoothly and accurately, can guarantee again that health tissues can not be subjected to unnecessary damages because of operation.Compare with existing similar apparatus, its head volume reduces, and enters the resistance of anal canal when having reduced operation, has also alleviated patient's sense of discomfort.In addition, this open loop type of the present invention structure can be applied to other surgical operation with this apparatus to expansion, such as the fracture closure of specific position, and the treatment of low rectal (gland) tumor, encysted rectum etc.; And, because being nail anvil, this apparatus moves to nail bin, make the height of hemorrhoid cutting be the height that apparatus enters anal canal, and this height relative fixed is guaranteed surgical effect more, its application prospect is boundless.
Description of drawings
Purpose of the present invention, advantage and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain.These embodiment only are the prominent examples of using technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of protection of present invention.In the middle of these accompanying drawings,
Fig. 1 is the face structural representation of one embodiment of the present invention;
Fig. 2 a, Fig. 2 b are the dual mode sketch maps of Fig. 1 head;
Fig. 3 a, Fig. 3 b are the dual mode sketch maps at central nail bin of Fig. 1 head and nail tube position;
Fig. 4 is the partial schematic diagram of second kind of embodiment of the present invention;
Fig. 5 is another embodiment sketch map of Fig. 4 head;
Fig. 6 is the structural representation of nail anvil in the middle of Fig. 4;
Fig. 7 is the structural representation of nail bin in the middle of Fig. 4;
Fig. 8 a/8b/8c is three kinds of embodiment sketch maps at central cutting knife of Fig. 4 and pushing slice of nail position;
Fig. 9 is the structural representation of nail tube in the middle of Fig. 4;
Figure 10 is the structural representation of anvil pull rod in the middle of Fig. 4;
Figure 11 is the structural representation of ejector pin bar in the middle of Fig. 4;
Figure 12 is the structural representation of two pads in the middle of Fig. 4;
The implication of each Reference numeral is as follows among the figure:
| Sequence number | Implication | Sequence number | Implication | | Implication | |
| 1 | |
2 | |
101 | Nail- |
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| 102 | |
103 | |
104 | Nail bin | |
| 105 | |
106 | Pushing slice of |
107 | The |
|
| 108 | The |
109 | The |
110 | The |
|
| 111 | The |
112 | |
113 | |
|
| 114 | |
115 | |
201 | The |
|
| 202 | Anvil |
203 | Screw |
204 | Adjusting |
|
| 205 | |
206 | The |
207a/b | Pad |
The specific embodiment
First kind of embodiment of instrument for cutting and stitching in surgery of the present invention comprises head 1 and fuselage 2 as shown in Figure 1, and fuselage 2 is in the middle rear side of apparatus, comprises bindiny mechanism and firing lock.Head 1 is that pathological tissues such as hemorrhoid are carried out operating contact site, comprises nail anvil 102 and nail bin 104, and as required, the top of nail anvil 102 can also be provided with nail-anvil cap 101, and nail-anvil cap 101 is fixedlyed connected with nail anvil 102.Nail anvil 102 is relative with nail bin 104 positions, forms two acting surfaces that spacing is adjustable, is provided with cutter groove 109 and nail forming tank 108 on the acting surface of nail anvil 102 sides, and the acting surface of nail bin 104 sides is provided with cutter groove 111 and nail bin hole 110, and the operation nail is housed in the nail bin hole 110.Nail bin 104 rear sides are nail tubes 201, nail tube 201 inside are provided with cutting knife 105 and pushing slice of nail 106, its position is corresponding with cutter groove 111 and nail bin hole 110 on nail bin 104 acting surfaces respectively, and pushing slice of nail 106 links to each other with the firing lock of ejector pin bar 206 with fuselage 2 positions by the ejector pin seat.
The characteristics of this apparatus are, the acting surface of nail bin 104 is acting surfaces of a crooked shape, and nail bin hole 110 is bending to be combined, shown in Fig. 3 a and Fig. 3 b.Because the open loop type design, the corresponding site of nail bin 104 and nail tube 201 can as Fig. 3 a, also can will open wide the position by a side plate 115 and seal, as Fig. 3 b for opening wide.Adapt with the design of above-mentioned open loop type, the cutting knifes 105 in the nail tube 201 are curved cutter, and pushing slice of nail 106 also is crooked shape and combines.The acting surface of nail bin 104 sides adopts after the open loop type design, and nail anvil 102 both can remain complete annulus, as Fig. 2 a; Also can be for one section warp architecture, shown in Fig. 2 b, the radian of the centrage of its acting surface is preferably consistent with the acting surface of nail bin 104 sides.At this moment, nail anvil 102 tops are if be equipped with nail-anvil cap 101, and after the open loop, the corresponding site of nail-anvil cap 101 also should be one section open loop structure.After nail-anvil cap 101 is assembled with nail anvil 102, lump together the formation nail-anvil assembly with pin anvil shaft 103, elder generation places operative site with the nail-anvil assembly of apparatus during operation, after treating that the pathological tissues that need excise is in place, by operation adjusting knob 204, two acting surfaces of nail anvil 102 and nail bin 104 are furthered, make pathological tissues in place in apparatus inside, promote ejector pin bar 206 and cutting knife 105 by handle 205 at last, pathological tissues is implemented cutting and bookbinding.
Operation for single hemorrhoid or two hemorrhoid, its process is: in the operation preparatory stage, one or two hemorrhoid that earlier needs undergone surgery are seamed into pocket, then apparatus is put into anal canal, make the pocket of sewing it up between the nail anvil and two acting surfaces of nail bin of head part of apparatus 1, purse wire is drawn apparatus and tension, fix purse wire by the operation clamp, the adjusting knob 204 of adjusting instrument fuselage 2 ends, two acting surfaces of nail anvil 102 and nail bin 104 are drawn close, and pocket arrives the position that can implement to perform the operation; Next, the handle 205 of holding with a firm grip subsequently makes ejector pin bar 206 promote pushing slice of nail 106 nail is pushed tissue, and bookbinding is shaped under the help of the nail grooving 108 on nail anvil 102, and simultaneously, cutting knife 105 is pushed out, and the sick hemorrhoid that will be seamed into pocket are excised.Can see from above-mentioned operation process, because the open loop type design, the position that does not need to cut and sew up around the sick hemorrhoid will be exposed at outside the acting surface, in the sick hemorrhoid of excision, can not constitute damage to other normal structure, patient can not cause additional injuries because of operation; And this apparatus is that nail anvil moves to nail bin, makes the height of hemorrhoid cutting be the height that apparatus enters anal canal, and this height relative fixed is guaranteed surgical effect more.
In order to improve surgical effect, make that pathological tissues is not excessive in the operation process, can also anti-overflow mechanism be set in one or two end of above-mentioned open loop type acting surface.This anti-overflow mechanism can be arranged on the anti-overflow bar 107 on the nail bin 104, shown in Fig. 3 a and Fig. 3 b, also can be the limit rod that is movably connected with nail bin 104 and nail anvil 102, can also be the alignment pin that can open and close.
The partial structurtes of second kind of embodiment of the present invention and associated components such as Fig. 4～shown in Figure 12.Its nail bin 104 side acting surfaces and nail anvil 102 side acting surfaces are the open loop type bending, both shape unanimities, and nail anvil 102 links to each other with fuselage 2 by anvil pull rod 202 and nail bin 104, nail tube 201.Specifically, anvil pull rod 202 is arranged on an end of crooked shape acting surface, and it and nail anvil 102 can be an integral body that is shaped by the integral type processing and manufacturing, also can be two parts, and both link together by syndetons such as pin or screw threads.
Fig. 4 signal be the structure that the form with pin is formed by connecting, its member and assembling mode are: an end at nail anvil 102 is provided with projection 112, has through hole on the projection 112, as shown in Figure 6; Anvil pull rod 202 is a bathtub construction, and the one end also has through hole, as shown in figure 10; One end of nail bin 104 is provided with the projection 113 that can lead and move in the groove of anvil pull rod 202, as shown in Figure 7; During assembling, anvil pull rod 202 is inserted nail tube 201 inside shown in Figure 9, again the ejector pin bar 206 together with the design of ejector pin seat integral type shown in Figure 11 is also inserted nail tube 201 inside, the straight-bar position of ejector pin bar 206 is fallen in the groove of anvil pull rod 202, both sides lining is put two pad 207a, 207b shown in Figure 12 about it, purpose is when anvil pull rod 202 moves forward and backward, and ejector pin bar 206 is unlikely easily and moves thereupon; The front end of nail tube 201 is installed the combiner that comprises cutting knife 105 and pushing slice of nail 106, these parts have multiple compound mode, both can the eclipsed pushing slice of nail 106 of two rows of mutually staggered all be set in the outside and the inboard of cutting knife 105, as shown in Figure 8, also can be at the pushing slice of nail 106 of the arranged outside two misarrangement positions of cutting knife 105, and the inboard is only established row's pushing slice of nail 106 or is not established pushing slice of nail, shown in Fig. 8 b and Fig. 8 c; After combinations thereof position part installs, nail bin 104 is installed again, is made projection 113 fall into the groove of anvil pull rod 202, and be fixedly linked with nail tube 201 by being arranged on the one or more projections 114 on nail bin 104 arcuate flanks; At last,, pin is inserted within its two through hole that set in advance above, make it fixedly connected at the nail anvil of installation foremost 102 of anvil pull rod 202.
After partial structurtes assembling shown in Figure 4 was finished, the end that will follow closely tube 201 again linked to each other with other parts of fuselage, can form a complete operating theater instruments.It is similar to Example 1 to use the process that this apparatus implements cutting and binding to pathological tissues such as hemorrhoid, at this repeated description not.
Similar to Example 1, the nail forming tank 108, cutter groove 109, nail bin hole 110 and the cutter groove 111 that also are respectively equipped with crooked shape on the nail anvil 102 of this apparatus and the acting surface of nail bin 104 are equipped with the operation nail, specifically as shown in Figure 6 and Figure 7 in the nail bin hole 110.Be when the needs anti-overflow, only to need anti-overflow bar 107 or other like to be set, specifically as shown in Figure 5 with embodiment 1 distinguishes to some extent in the another one end with respect to anvil pull rod 202 of two acting surfaces of nail anvil 102 and nail bin 104.
More than describe two kinds of exemplary embodiment of the present invention in detail, its common ground is that the acting surface of head part of apparatus nail bin side all is the flecition face of an open loop type, the centrage of this acting surface can be made of one section or several sections circular arcs, also can be a rule or irregular curve, should select according to the application of apparatus during specific design.Because being mainly used in of this quasi-instrument at the inner tissue of removing of luminal organs, so, the centrage of above-mentioned acting surface is designed to one section circular arc mostly, the radian of circular arc is generally between 80 °～260 °, the length of its arc length and single hemorrhoid or two hemorrhoid adapts, concordance to guarantee to cut, coincide makes operation process settle at one go.
When the acting surface of nail anvil and nail bin was the open loop type design, the volume of head part of apparatus obviously reduced, and this all is highly profitable for improving the surgical facilitation degree, alleviating patient's operation sense of discomfort etc.Certainly, great advantage of the present invention is to take optimum operation plan to different patients, is not the patient who falls ill simultaneously at 3 hemorrhoid especially, can guarantee the normal physiological state in the sick hemorrhoid of excision, at utmost reduce wound, shorten the healing time of operation patient.This apparatus is that nail anvil moves to nail bin, makes the height of hemorrhoid cutting be the height that apparatus enters anal canal, and this height relative fixed is guaranteed surgical effect more; And this instrument for cutting and stitching in surgery there is no specific (special) requirements for making processing, only needs that existing equipment mould is carried out corresponding transformation and can satisfy the production demand, and its application prospect is boundless.
Claims (10)
1. instrument for cutting and stitching in surgery, comprise head and fuselage, fuselage is in the middle rear side of apparatus, comprise bindiny mechanism and firing lock, head is that pathological tissues is cut contact site with stitching, comprise nail anvil and nail bin, nail anvil is relative with nail bin, form two acting surfaces that spacing is adjustable, cutting and stitching operation to pathological tissues are to carry out between these two acting surfaces, the acting surface of nail anvil side is provided with the nail forming tank, the acting surface of nail bin side is provided with the nail bin hole, and the operation nail is housed in the nail bin hole, and the nail bin rear side is provided with pushing slice of nail, the inboard is provided with cutting knife, the position of pushing slice of nail is corresponding with the nail bin hole, pushing slice of nail links to each other with the firing lock of ejector pin bar with the fuselage position by the ejector pin seat, it is characterized in that: described nail bin, pushing slice of nail, cutting knife is curved shape, and nail anvil is connected with fuselage by a support bar, and under the effect of actuating device, nail anvil moves to the second position from primary importance.
2. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described nail anvil, nail bin, pushing slice of nail and the cutting knife bending open loop structure for adapting to each other.
3. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described nail anvil is a closed-loop structure, and nail bin, pushing slice of nail and cutting knife are the bending open loop structure that adapts to each other.
4. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described pushing slice of nail becomes a row or two inboard or the outsides that are arranged in cutting knife, and perhaps the inside and outside both sides of the cutting knife row or two that arranges simultaneously arranges pushing slice of nail.
5. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described support bar is a pin anvil shaft, and the bindiny mechanism at fuselage position comprises anvil pull rod, screw mandrel and adjusting knob, and nail anvil is fixedlyed connected with pin anvil shaft, and pin anvil shaft connects anvil pull rod.
6. instrument for cutting and stitching in surgery according to claim 5 is characterized in that: described pin anvil shaft and anvil pull rod are the integral body that an integral type is made; Or two parts, both are by pin or be threaded togather.
7. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: the one or both sides of the acting surface of described nail bin are provided with anti-overflow device.
8. instrument for cutting and stitching in surgery according to claim 7 is characterized in that: described anti-overflow device is the anti-overflow bar that is fixed on the nail bin, or the limit rod that is movably connected with nail bin and nail anvil, or alignment pin to be opened/closed.
9. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described primary importance is a nail anvil away from position, the second position of nail bin is the position of nail anvil near nail bin.
10. instrument for cutting and stitching in surgery according to claim 1 is characterized in that: described actuating device is an adjusting knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101352629A CN101433467A (en) | 2007-11-12 | 2007-11-12 | Instrument for cutting and stitching in surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101352629A CN101433467A (en) | 2007-11-12 | 2007-11-12 | Instrument for cutting and stitching in surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101433467A true CN101433467A (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101352629A Pending CN101433467A (en) | 2007-11-12 | 2007-11-12 | Instrument for cutting and stitching in surgery |
Country Status (1)
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| CN (1) | CN101433467A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912284A (en) * | 2010-08-13 | 2010-12-15 | 李东瑞 | Arc-shaped cutting anastomat |
| WO2013143257A1 (en) * | 2012-03-31 | 2013-10-03 | 常州市康迪医用吻合器有限公司 | Linear cutting element with e-shaped guiding element |
| CN104224259A (en) * | 2014-09-15 | 2014-12-24 | 江苏钱璟医疗器械有限公司 | Disposable internal opening cutting and enclosing anastomat |
| CN106923875A (en) * | 2015-12-31 | 2017-07-07 | 苏州天臣国际医疗科技有限公司 | A kind of operation anastomat |
| WO2021174431A1 (en) * | 2020-03-04 | 2021-09-10 | Covidien Lp | Anvil assembly with cutting plate |
-
2007
- 2007-11-12 CN CNA2007101352629A patent/CN101433467A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912284A (en) * | 2010-08-13 | 2010-12-15 | 李东瑞 | Arc-shaped cutting anastomat |
| CN101912284B (en) * | 2010-08-13 | 2012-07-18 | 李东瑞 | Arc-shaped cutting anastomat |
| WO2013143257A1 (en) * | 2012-03-31 | 2013-10-03 | 常州市康迪医用吻合器有限公司 | Linear cutting element with e-shaped guiding element |
| CN104224259A (en) * | 2014-09-15 | 2014-12-24 | 江苏钱璟医疗器械有限公司 | Disposable internal opening cutting and enclosing anastomat |
| CN106923875A (en) * | 2015-12-31 | 2017-07-07 | 苏州天臣国际医疗科技有限公司 | A kind of operation anastomat |
| WO2021174431A1 (en) * | 2020-03-04 | 2021-09-10 | Covidien Lp | Anvil assembly with cutting plate |
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Open date: 20090520 |