CN104207815A - Stapler nail anvil assembly and stapler - Google Patents
Stapler nail anvil assembly and stapler Download PDFInfo
- Publication number
- CN104207815A CN104207815A CN201310211803.7A CN201310211803A CN104207815A CN 104207815 A CN104207815 A CN 104207815A CN 201310211803 A CN201310211803 A CN 201310211803A CN 104207815 A CN104207815 A CN 104207815A
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- CN
- China
- Prior art keywords
- nail
- nail anvil
- anvil
- anastomat
- anvil assembly
- Prior art date
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention provides a stapler nail anvil assembly and a stapler. The nail anvil assembly comprises a nail anvil and a nail anvil rod connected with the nail anvil in a rotatable mode; a nail anvil base is arranged on the nail anvil; the nail anvil rod is provided with a connecting end, the connecting end is connected with the nail anvil base in a rotatable mode through a transversely-arranged hinge pin, a torsional spring is arranged on the hinge pin in a penetrated mode, the nail anvil base is provided with a first limiting part in contact with one end of the torsional spring in an abutting-against mode, the connecting end is provided with a second limiting part in contact with the other end of the torsional spring in an abutting-against mode, and the connecting end and the nail anvil base are sleeved with an elastic sliding sleeve for limiting relative rotation between the nail anvil rod and the nail anvil. The bottom of the nail anvil base is provided with a retreating stopping face in interference fit with the inner wall of the elastic sliding sleeve. By means of the stapler nail anvil assembly and the stapler, switching between the overturning state and the upright state is achieved through the elastic sliding sleeve arranged outside the connecting end and the nail anvil base in a sleeved mode, stress points at the two ends of the torsional spring are single and stable, the stapler nail anvil assembly and the stapler are easily installed, internal installation pieces are reduced, and the stapler nail anvil assembly and the stapler have the advantages of being simple in structure and easy to install and operate.
Description
Technical field
The present invention relates to surgical operation medical device technology, particularly relate to a kind of anastomat nail-anvil assembly and anastomat.
Background technology
The first anastomat is used for a gastrointestinal anastomosis nearly century in the world, until tube type anastomat in 1978 is just widely used in gastrointestinal procedures, anastomat is also stapler.Generally be divided into disposable or nonexpondable anastomat, it is the equipment that the alternative traditional-handwork medically used is sewed up, due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat reliable in quality used clinically at present, easy to use, tightly, degree of tightness is suitable, especially its stitching is quick, easy and simple to handle and seldom have the advantage such as side effect and postoperative complication, sometimes the tumor operation that cannot excise of also making over is able to lesion resection, very by favor and the high praise of domestic and international Clinical Surgery doctor.
The performance difference of anastomat plays vital effect to whole surgical effect, current anastomat adopts bookbinding form axially mostly, mainly comprise nail-anvil assembly, nail kit assembly, for pulling the trigger percussion lock and the device body of the staple in nail kit assembly, nail kit assembly and percussion lock are arranged on it device, nail-anvil assembly is removably connected with percussion lock, a kind of conventional syndeton is provided here, see Fig. 1-3, in shuttle shape bottom nail anvil rod, shuttle shape has a draw-in groove above portion, this shuttle shape portion is through the hole clipping of the inner percussion lock of device body, elastic changeable diameter can be there is when shuttle shape portion snaps in it in this hole clipping by an elastomeric element, treat that being mated rear bayonet in draw-in groove insertion hole clipping, by this elastomeric element, elastic shrinkage distortion can occur, nail anvil rod and percussion lock are linked together, in nail kit assembly, staple is installed, percussion lock is for pulling the trigger the staple in nail kit assembly, it is made to have coordinated stitching with nail-anvil assembly, first organize end to be connected to be all positioned between nail-anvil assembly and nail kit assembly during bookbinding by two sections, by the percussion of percussion lock, the staple be circular layout in nail kit assembly coordinates with nail-anvil assembly to produce is out of shape, two sections are organized stapled together, a closed binder ring is formed at organization internal, but, the both sides of binder ring are laid respectively at owing to binding rear nail-anvil assembly and nail kit assembly, binder ring is had to pass through when taking out nail-anvil assembly, but, the maximum gauge of nail-anvil assembly is greater than the internal diameter of binder ring, so take out nail-anvil assembly after surgery must touch binder ring, even can destroy the shape of binder ring, this phenomenon is unfavorable for the reply of postoperative body tissue, easily cause postoperative complication, side effect is large, reduce surgical effect.
For above situation, prior art have employed the nail-anvil assembly of turning structure, and namely nail anvil is turning relative to nail anvil rod, and reduced the annular destructiveness of bookbinding by the upset of nail anvil in taking-up process, and reach surgical effect, prior art is as follows:
Prior art one
As Figure 1-3, anastomat nail-anvil assembly comprises the nail anvil 6 and nail anvil rod 8 that are rotationally connected, nail anvil 6 have supporting disk 2 and nail anvil seat 4, nail anvil rod 8 is rotationally connected by bearing pin 5 and nail anvil seat 4, spring 7 is installed between nail anvil seat 4 and supporting disk 2, state shown in Fig. 2 is initial condition, spring 7 is in compressive state, conflicting with the step surface on nail anvil rod 8 bottom nail anvil seat 4 makes nail anvil rod 8 keep vertical with nail anvil 6 baseplane, to nail anvil 6 one external force, it is upwards overturn, the elastic potential energy release that spring 7 stores, nail anvil 6 rotates relative to nail anvil rod 8, and keep rollover states, as shown in Figure 3, in the technical program, spring 7 end positions is unstable, be difficult to install, and the strong point of spring end and supporting disk is more, easily cause unbalance stress, make disabler.
Prior art two
As Figure 4-Figure 6, nail anvil 6 is made up of spring 7, convex axle 154 and locking plate 126 with the overturn structure of nail anvil rod 8, nail anvil rod 8 inside has step, spring 7 is arranged in bottom convex axle 154, and be held between the step of nail anvil rod 8 inside and the boss 167 at convex axle 154 top, nail anvil rod 8 and locking plate 126 are rotationally connected by bearing pin 5, curved surface 126c and the projection 166 be located on boss 167 are conflicted, under original state, supporting disk 2 is at initial position, support the cooperation position 152b of nail anvil rod 8, keep vertical state; Under the promotion of external force, supporting disk 2 is pushed down, and coordinate the support at 152b place, position to be broken, the convex axle 154 in nail anvil rod 8 discharges potential energy under the effect of spring 7, promotes nail anvil rod 8 and rotates around bearing pin 5, realize turn over function.Have more part to be full of in the space of nail anvil and nail anvil rod in the technical program, volume is reduced, and enforcement difficulty is larger.
Summary of the invention
The invention provides a kind of anastomat nail-anvil assembly and anastomat, for overcoming defect of the prior art, structure is simple, be easy to install and convenient operation.
Anastomat nail-anvil assembly provided by the invention, comprises the nail anvil rod that a nail anvil and one end and nail anvil are rotationally connected; Described nail anvil one end mask has nail anvil seat; Nail anvil rod has a link, this link is rotationally connected by a horizontal bearing pin and nail anvil seat, it is characterized in that, described bearing pin is equipped with torsion spring, described nail anvil seat has the first limiting section for one end of conflicting, described link has the second limiting section for the torsion spring other end of conflicting, and described link and nail anvil seat are arranged with one for limiting nail anvil rod and nail anvil elastomeric sleeve in relative rotation; Have bottom nail anvil seat one for after elastomeric sleeve generation elastic deformation with the retaining face of its inwall interference fit.
Particularly, nail anvil seat comprises the connecting plate of column pedestal vertically-arranged relative to two on this column pedestal, and column base bottom and nail anvil are fixed, and column Chuck top forms lower limit step, the all sides of column pedestal are retaining face, the inwall interference fit of retaining face and elastomeric sleeve; Described link comprises the two vertically-arranged plates be oppositely arranged, and has upper limit step outside this vertically-arranged plate, and elastomeric sleeve is defined between this upper limit step and lower limit step.
Wherein, connecting plate and vertically-arranged plate are equipped with the perforating for wearing bearing pin, upper limit step is positioned at below the perforating that is located on vertically-arranged plate.
Wherein, described lower limit step is taper, and increases gradually from nearly nail anvil rod end to nail anvil rod end size far away.
Further, described first limiting section and the second limiting section are spacing hole, and described spacing hole is located on nail anvil seat or on link, and described torsion spring end inserts in this spacing hole.
Further, described first limiting section and the second limiting section are confined planes, and described confined planes is located on nail anvil seat or on link, and described torsion spring end is conflicted on this confined planes.
Particularly, described spacing hole is arranged on the column base between two connecting plates, and this spacing hole inwall forms the first limiting section.
Particularly, the link of described nail anvil rod is sleeve-shaped, and described nail anvil rod inwall forms the second limiting section.
Further, one end that described elastomeric sleeve contacts with described upper limit step has a stress surface, all sides of described stress surface edge this elastomeric sleeve protruding.
Anastomat nail-anvil assembly provided by the invention, during installation, first elastomeric sleeve is pushed on the retaining face of nail anvil seat, then torsion spring is installed, and torsion spring two ends are coordinated with the first limiting section and the second limiting section respectively, group is to nail anvil seat and link, nail anvil seat, torsion spring and link are coupled together by bearing pin, now, torsion spring is in stress and stores elastic potential energy, finally elastomeric sleeve is passed on link from retaining face, thus limit the release of torsion spring elastic potential energy, during use, elastomeric sleeve is at the percussion effect lower stress of percussion lock, and be passed on retaining face, now, torsion spring elastic potential energy is released, promote the relative nail anvil rod upset of nail anvil, and remain on rollover states, so that take out from binder ring, the present invention realizes the conversion of upset and erectility by the elastomeric sleeve being set in link and nail anvil seat outside, hinge structure one, the stressed strong point in torsion spring two ends is single and stable, be easy to install, hinge structure two, do not need convex axle, decrease inner mount, and whether relatively the resilient sleeve being placed in nail anvil rod outside by operation controls nail anvil nail anvil rod upset, there is structure simple, be easy to the advantage of installing and operating.
The present invention also provides a kind of anastomat, this anastomat comprise nail-anvil assembly, nail kit assembly, for pulling the trigger percussion lock and the device body of staple in nail kit assembly, described nail kit assembly and described percussion lock are arranged on it described device, described nail-anvil assembly is removably connected to described percussion lock, and described nail-anvil assembly is above-mentioned anastomat nail-anvil assembly.
Anastomat provided by the invention, by the change of nail-anvil assembly structure, simplifies the overall structure of anastomat, and is easy to install and operation.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of prior art one;
Fig. 2 is the using state reference view one of prior art one;
Fig. 3 is the using state reference view two of prior art one;
Fig. 4 is the perspective exploded view of prior art two;
Fig. 5 is the using state reference view one of prior art two;
Fig. 6 is the using state reference view two of prior art two;
The perspective exploded view of the anastomat nail-anvil assembly that Fig. 7 provides for the embodiment of the present invention;
The using state reference view one of the anastomat nail-anvil assembly that Fig. 8 provides for the embodiment of the present invention;
The using state reference view two of the anastomat nail-anvil assembly that Fig. 9 provides for the embodiment of the present invention;
The partial sectional view of the anastomat nail-anvil assembly that Figure 10 provides for the embodiment of the present invention;
The axonometric chart of the anastomat that Figure 11 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiment one
As illustrated in figures 7-11, the embodiment of the present invention provides a kind of anastomat nail-anvil assembly, comprises the nail anvil rod 8 that a nail anvil 6 and one end and nail anvil 6 are rotationally connected; Nail anvil 6 one end mask has a nail anvil seat 4; Nail anvil rod 8 has a link 81, this link 81 is rotationally connected with nail anvil seat 4 by a horizontal bearing pin 5, bearing pin 5 is equipped with torsion spring 9, nail anvil seat 4 has the first limiting section 10 for torsion spring 9 one end of conflicting, link 81 has the second limiting section 20 for torsion spring 9 other end of conflicting, and link 81 and nail anvil seat 4 are arranged with one for limiting nail anvil rod 8 and nail anvil 6 elastomeric sleeve 11 in relative rotation; Have bottom nail anvil seat 4 one for after there is elastic deformation in elastomeric sleeve 11 with the retaining face 12 of its inwall interference fit.
Anastomat nail-anvil assembly provided by the invention, during installation, first elastomeric sleeve 11 is pushed on the retaining face 12 of nail anvil seat 4, torsion spring 9 is installed again, and torsion spring 9 two ends are coordinated with the first limiting section 10 and the second limiting section 20 respectively, group is to nail anvil seat 4 and link 81, by bearing pin 5 by nail anvil seat 4, torsion spring 9 and link 81 couple together, now, nail anvil 6 in a state of nature, vertical with nail anvil rod 8, as shown in Figure 8, torsion spring 9 is in stress and stores elastic potential energy, finally elastomeric sleeve 11 is passed from retaining face 12 on link 81, thus limit the release of torsion spring 9 elastic potential energy, during use, elastomeric sleeve 11 is at the percussion effect lower stress of percussion lock, and be passed on retaining face 12, now, torsion spring 9 elastic potential energy is released, promote the relative nail anvil rod 8 of nail anvil 6 to overturn, as shown in Figure 9, and remain on rollover states, so that take out from binder ring, being realized by the elastomeric sleeve being set in link and nail anvil seat outside in the present invention, hinge structure one, the stressed strong point in torsion spring two ends is single and stable, be easy to install, hinge structure two, do not need convex axle, decrease the parts being arranged on nail anvil rod inside, and whether relatively the resilient sleeve being placed in nail anvil rod outside by operation controls nail anvil nail anvil rod upset, there is structure simple, be easy to the advantage of installing and operating.In the present embodiment, nail anvil 6 is in lid, and nail anvil 6 outer wall is curved, is convenient to penetrate the intestines and stomach, and nail anvil 6 internal face is fixedly connected with nail anvil seat, and nail anvil seat and nail anvil rod are rotationally connected.
Improve further as above-described embodiment, nail anvil seat 4 comprises the connecting plate 42 of a column pedestal 41 vertically-arranged relative to two on this column pedestal 41, column base bottom and supporting disk 2 are fixed, top forms lower limit step 43, all sides are retaining face 12, retaining face 12 and elastomeric sleeve 11 inwall interference fit; Link 81 comprises the two vertically-arranged plates 82 be oppositely arranged, and has upper limit step 83 outside this vertically-arranged plate, and elastomeric sleeve 11 is defined between this upper limit step 83 and lower limit step 43.
Upper limit step and lower limit step define the axial location of elastomeric sleeve, add stability and the reliability of nail-anvil assembly.In elastomeric sleeve 11, wall energy coordinates with retaining face 12 under external force.Connecting plate 42 and vertically-arranged plate 82 are equipped with the perforating 50 for wearing bearing pin 5, in the present embodiment, upper limit step 83 is positioned at below the perforating 50 that is located on vertically-arranged plate 82, if when perforating 50 is stretched out at bearing pin 5 two ends, elastomeric sleeve 11 then can be made when original state to avoid bearing pin 5 two ends, avoid friction.
As the preferred implementation of above-described embodiment, as shown in Figure 10, can be pushed to smoothly on retaining face for the ease of elastomeric sleeve, lower limit step 43 is in taper, and increase gradually from nearly nail anvil rod end to nail anvil rod end size far away, Figure 10 shows that size increases gradually from top to bottom, when elastomeric sleeve is not by external force, lower limit step has spacing effect; When elastomeric sleeve is subject to the percussion effect of percussion lock, lower limit step also has transition guide effect.Here refer to the one end near vertically-arranged plate 82 on, under refer to one end away from vertically-arranged plate 82.
In above-described embodiment, the first limiting section 10 or the second limiting section 20 can be spacing holes, and also can be confined planes, specifically can have spacing hole on nail anvil seat or link, torsion spring end inserts in this spacing hole.Nail anvil seat or link have confined planes, and torsion spring end is conflicted on this confined planes.
In the present embodiment, as shown in Figure 10, the link of nail anvil rod is sleeve-shaped, and nail anvil rod inwall forms the second limiting section 20.Spacing hole is arranged on the column base between two connecting plates, and this spacing hole forms the first limiting section 10.
For the ease of percussion elastomeric sleeve, one end that elastomeric sleeve 11 contacts with upper limit step has stress surface 110.When percussion lock is pulled the trigger, this stress surface is subject to active force, preferably all sides of described stress surface edge this elastomeric sleeve protruding, improves stability under loading, guarantees uniform force, avoids hitting partially, overturns malfunctioning.
As shown in figure 11, the embodiment of the present invention also provides a kind of anastomat, this anastomat comprises nail-anvil assembly A1, nail kit assembly A2, for pulling the trigger percussion lock A3 and the device body A4 of staple in nail kit assembly, nail kit assembly A2 and percussion lock A3 is arranged on device body A4, percussion lock A3 is for pulling the trigger the staple in nail kit assembly A2, staple is made to have coordinated stitching with nail-anvil assembly A1, nail-anvil assembly A1 is the anastomat nail-anvil assembly of above-mentioned any embodiment, nail-anvil assembly A1 is removably connected with percussion lock A3, the syndeton of nail-anvil assembly A1 and percussion lock A3 can see the concrete syndeton of nail-anvil assembly in existing anastomat and percussion lock, anastomat provided by the invention, by the change of nail-anvil assembly structure, simplify the overall structure of anastomat, and be easy to install and operation.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an anastomat nail-anvil assembly, comprises the nail anvil rod that a nail anvil and one end and nail anvil are rotationally connected; Described nail anvil one end mask has a nail anvil seat; Nail anvil rod has a link, this link is rotationally connected by a horizontal bearing pin and nail anvil seat, it is characterized in that, described bearing pin is equipped with torsion spring, described nail anvil seat has the first limiting section for one end of conflicting, described link has the second limiting section for the torsion spring other end of conflicting, and described link and nail anvil seat are arranged with one for limiting nail anvil rod and nail anvil elastomeric sleeve in relative rotation; Have bottom nail anvil seat one for after elastomeric sleeve generation elastic deformation with the retaining face of the inwall interference fit of elastomeric sleeve.
2. anastomat nail-anvil assembly according to claim 1, it is characterized in that, nail anvil seat comprises the connecting plate of column pedestal vertically-arranged relative to two on this column pedestal, column base bottom and nail anvil are fixed, column Chuck top forms lower limit step, the all sides of column pedestal are retaining face, the inwall interference fit of retaining face and elastomeric sleeve; Described link comprises the two vertically-arranged plates be oppositely arranged, and has upper limit step outside this vertically-arranged plate, and elastomeric sleeve is defined between this upper limit step and lower limit step.
3. anastomat nail-anvil assembly according to claim 2, is characterized in that, connecting plate and vertically-arranged plate is equipped with the perforating for wearing bearing pin, and upper limit step is positioned at below the perforating that is located on vertically-arranged plate.
4. anastomat nail-anvil assembly according to claim 2, is characterized in that, described lower limit step is taper, and increases gradually from nearly nail anvil rod end to nail anvil rod end size far away.
5., according to the arbitrary described anastomat nail-anvil assembly of claim 1-4, it is characterized in that, described first limiting section and the second limiting section are spacing hole, and described spacing hole is located on nail anvil seat or on link, and described torsion spring end inserts in this spacing hole.
6., according to the arbitrary described anastomat nail-anvil assembly of claim 1-4, it is characterized in that, described first limiting section and the second limiting section are confined planes, and described confined planes is located on nail anvil seat or on link, and described torsion spring end is conflicted on this confined planes.
7. anastomat nail-anvil assembly according to claim 5, is characterized in that, described spacing hole is arranged on the column base between two connecting plates, and this spacing hole inwall forms the first limiting section.
8. anastomat nail-anvil assembly according to claim 6, is characterized in that, the link of described nail anvil rod is sleeve-shaped, and described nail anvil rod inwall forms the second limiting section.
9. the anastomat nail-anvil assembly according to claim 1,2,3,4,7 or 8, is characterized in that, one end that described elastomeric sleeve contacts with described upper limit step has a stress surface, all sides of described stress surface edge this elastomeric sleeve protruding.
10. an anastomat, this anastomat comprise nail-anvil assembly, nail kit assembly, for pulling the trigger percussion lock and the device body of staple in nail kit assembly, described nail kit assembly and percussion lock are arranged on it described device, described nail-anvil assembly is removably connected with described percussion lock, it is characterized in that, described nail-anvil assembly is the arbitrary described anastomat nail-anvil assembly of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211803.7A CN104207815B (en) | 2013-05-30 | 2013-05-30 | Stapler nail anvil assembly and stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211803.7A CN104207815B (en) | 2013-05-30 | 2013-05-30 | Stapler nail anvil assembly and stapler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104207815A true CN104207815A (en) | 2014-12-17 |
| CN104207815B CN104207815B (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310211803.7A Active CN104207815B (en) | 2013-05-30 | 2013-05-30 | Stapler nail anvil assembly and stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104207815B (en) |
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| CN105640605A (en) * | 2015-12-30 | 2016-06-08 | 北京派尔特医疗科技股份有限公司 | Inclinable nail abutting seat and tube-type anastomat |
| WO2016179737A1 (en) * | 2015-05-08 | 2016-11-17 | Covidien Lp | Anvil assembly and method of assembling components of anvil assembly |
| CN107252330A (en) * | 2017-03-22 | 2017-10-17 | 许德宽 | A kind of split type execution head of straight line closed cutter |
| CN108289684A (en) * | 2015-12-07 | 2018-07-17 | 柯惠有限合伙公司 | Anvil assembly and transport system |
| CN110974330A (en) * | 2019-12-09 | 2020-04-10 | 杭州市第一人民医院 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
| CN111407347A (en) * | 2020-03-31 | 2020-07-14 | 杭州乐守科技有限公司 | Nail anvil seat of folding anastomat |
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| EP2583631A1 (en) * | 2011-10-18 | 2013-04-24 | Covidien LP | Tilt top anvil with torsion spring |
| CN203328752U (en) * | 2013-05-30 | 2013-12-11 | 瑞奇外科器械(中国)有限公司 | Anastomat anvil assembly and anastomat |
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| WO2004032766A2 (en) * | 2002-10-04 | 2004-04-22 | Tyco Healthcare Group Lp | Surgical stapling device |
| CN201642173U (en) * | 2009-07-08 | 2010-11-24 | 北京中法派尔特医疗设备有限公司 | Nail propping block assembly capable of falling on side and anastomat adopting the same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016179737A1 (en) * | 2015-05-08 | 2016-11-17 | Covidien Lp | Anvil assembly and method of assembling components of anvil assembly |
| CN108289684A (en) * | 2015-12-07 | 2018-07-17 | 柯惠有限合伙公司 | Anvil assembly and transport system |
| US11020119B2 (en) | 2015-12-07 | 2021-06-01 | Covidien Lp | Anvil assembly and delivery system |
| CN108289684B (en) * | 2015-12-07 | 2021-08-31 | 柯惠有限合伙公司 | Anvil assembly and delivery system |
| CN105640605A (en) * | 2015-12-30 | 2016-06-08 | 北京派尔特医疗科技股份有限公司 | Inclinable nail abutting seat and tube-type anastomat |
| CN107252330A (en) * | 2017-03-22 | 2017-10-17 | 许德宽 | A kind of split type execution head of straight line closed cutter |
| CN107252330B (en) * | 2017-03-22 | 2019-10-22 | 许德宽 | A kind of split type execution head of straight line closed cutter |
| CN110974330A (en) * | 2019-12-09 | 2020-04-10 | 杭州市第一人民医院 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
| CN111407347A (en) * | 2020-03-31 | 2020-07-14 | 杭州乐守科技有限公司 | Nail anvil seat of folding anastomat |
| CN111407347B (en) * | 2020-03-31 | 2021-03-19 | 杭州乐守科技有限公司 | Nail anvil seat of folding anastomat |
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| CN104207815B (en) | 2017-02-22 |
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Address after: 300457, Tanggu District, Tianjin economic and Technological Development Zone, No. fourth, 5 Avenue, B District, 4 floor Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457, Tanggu District, Tianjin economic and Technological Development Zone, No. fourth, 5 Avenue, B District, 4 floor Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |
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