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CN104382625A - Nail anvil - Google Patents

Nail anvil Download PDF

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Publication number
CN104382625A
CN104382625A CN201410566627.3A CN201410566627A CN104382625A CN 104382625 A CN104382625 A CN 104382625A CN 201410566627 A CN201410566627 A CN 201410566627A CN 104382625 A CN104382625 A CN 104382625A
Authority
CN
China
Prior art keywords
pole
center
cap body
connecting portion
nail anvil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410566627.3A
Other languages
Chinese (zh)
Inventor
李锦运
王力东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING QMI SURGICAL Co Ltd
Original Assignee
CHONGQING QMI SURGICAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING QMI SURGICAL Co Ltd filed Critical CHONGQING QMI SURGICAL Co Ltd
Priority to CN201410566627.3A priority Critical patent/CN104382625A/en
Publication of CN104382625A publication Critical patent/CN104382625A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/11Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis, e.g. in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples

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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)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The invention discloses a nail anvil, which overcomes the defect that the wound of the nail anvil used by an end-to-end annular cutting anastomat on a life body is larger. The nail anvil comprises a center rod, a cap body and an annular cutter anvil, wherein the center rod is rotationally connected with a connecting part arranged on the cap body, an eave part is arranged on the center rod, a stop block is arranged on the end surface of one end, connected with the connecting part, of the center rod, a torsional spring is elastically arranged between the eave part of the center rod and the connecting part of the cap body, and the part of the end surface of one end, which extends out of the center rod and is connected with the connecting part, of the stop block is pressed on the cap body by the annular cutter anvil, so that the cap body is propped on the center rod. The nail anvil provided by the embodiment of the invention has the advantages that the wound size during the end-to-end annular cutting surgery can be reduced, the damage to the wound is reduced, the wound healing difficulty is reduced, and the wound healing time and the life body recovery time after the surgery are shortened.

Description

A kind of nail anvil
Technical field
The present invention relates to medical apparatus and instruments, particularly relate to a kind of nail anvil.
Background technology
At present, various end end circumcision stapler has obtained and has applied more and more widely in surgical operation.End end circumcision stapler is mainly used to use the equipment such as nail anvil to carry out operation stitching to lumen organization, significantly can shorten operating time, significantly improve procedure efficiency.
In use, pocket of being sewed it up by both sides tube chamber to be anastomosed broken ends of fractured bone tissue separately, then inserts anastomat from side tube chamber, makes the pocket on this side pipe chamber tighten up on the pull bar of anastomat end end circumcision stapler; And nail anvil is imbedded opposite side tube chamber, make the pocket on this opposite side tube chamber tighten up on the center connecting rod of nail anvil.By operation anastomat and nail anvil, the pocket on the tube chamber of both sides is made to clamp and be stitched together.After the tissue that excision suture site is unnecessary makes both sides tube chamber be communicated with, just can be communicated with nail anvil from body lumen and extract anastomat from wound, complete operation.
At present, clinically be used in nail anvil on end end circumcision stapler, body shape is roughly discoid or ball coronal structure, and nail anvil is so that the direction of the radial direction of card or spherical crown perpendicular to anastomat front end axis to be arranged on anastomat mostly.And end end circumcision stapler in use, need to stretch into nail anvil from the wound of human body or other life entities, and from this wound, extract anastomat and nail anvil after operation terminates.And the radial dimension of the disk of nail anvil or spherical crown is all greater than the radial dimension of anastomat front end usually, this just makes the sectional area of the wound on human body or life entity must be not less than the radial maximum secting area of nail anvil uppercap body, successfully could extract anastomat and nail anvil from wound like this.And on human body or life entity, leave larger wound, also increase the difficulty of wound healing undoubtedly, extend the time of wound healing, cause larger burden to surgical object.
Summary of the invention
Technical problem to be solved by this invention is to overcome the larger deficiency of wound that nail anvil that prior art middle-end end circumcision stapler uses stays on life entity.
In order to solve the problems of the technologies described above, embodiments of the invention provide firstly a kind of nail anvil, comprise center-pole, cap body and endless knife anvil, wherein: described center-pole is connected rotationally with the connecting portion on cap body; Described center-pole is provided with eaves portion, the end face of one end of the described connecting portion of connection of described center-pole is provided with stop block; Between the described eaves portion of described center-pole and the described connecting portion of described cap body, elasticity is provided with torsion spring; The part that described stop block is stretched out the end face of one end of the described connecting portion of connection of described center-pole by described endless knife anvil is pressed on described cap body, and described cap body is withstood on described center-pole.
Preferably, the described connecting portion on described center-pole and described cap body is hinged or rivet.
Preferably, the described connecting portion on one end of the described connecting portion of connection of described center-pole and described cap body is by pin-hinges, and described torsion spring set is on described pin; Or the described connecting portion on one end of the described connecting portion of the connection of described center-pole and described cap body is by rivet, and described torsion spring set is on described rivet.
Preferably, described connecting portion comprises and is arranged on described cap body towards a pair wall on the end face of described center-pole, one end of the described connecting portion of connection of described center-pole is clipped between described a pair wall, and one end of the described connecting portion of connection of described center-pole is connected rotationally with described a pair wall.
Preferably, at least one wall in described a pair wall is formed with stopper section on the wall of another wall, and described torsion spring elasticity is arranged between described eaves portion and described stopper section.
Preferably, the step-like structure that at least one wall described is formed on the wall of another wall described is described stopper section.
Preferably, one end of described torsion spring is flexibly pressed against in described eaves portion, and the other end is flexibly pressed against on described stopper section.
Preferably, described stop block stretches out the direction of the end face of one end of the described connecting portion of connection of described center-pole, perpendicular to described center-pole and described cap body center of rotation in relative rotation.
Preferably, described endless knife anvil is arranged on the periphery of the described connecting portion of described cap body.
Preferably, the inwall of described endless knife anvil is provided with constraint block towards described center-pole, and the part that described stop block is stretched out the end face of one end of the described connecting portion of connection of described center-pole by described constraint block is pressed on described cap body.
Compared with prior art, when embodiments of the invention can reduce to hold end ring to cut operation, the size of wound, reduces the damage to wound, reduces the difficulty of wound healing, shortens the recovery time after time of wound healing and life entity operation.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing technical scheme of the present invention.Object of the present invention and other advantages realize by structure specifically noted in description, claims and accompanying drawing and/or flow process and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical scheme of the present invention or prior art, and forms a part for description.Wherein, express the accompanying drawing of the embodiment of the present invention together with embodiments of the present invention for explaining technical scheme of the present invention, but do not form the restriction to technical solution of the present invention.
Fig. 1 is the structural representation of the embodiment of nail anvil of the present invention.
Fig. 2 is the partial structurtes schematic diagram of the embodiment of nail anvil of the present invention.
Fig. 3 is the perspective view of the present invention's middle endless knife anvil embodiment illustrated in fig. 1.
Fig. 4 is the structural representation of the present invention's middle cap body embodiment illustrated in fig. 1.
Fig. 5 is the original state schematic diagram of embodiment when applying of nail anvil of the present invention.
Fig. 6 be nail anvil embodiment illustrated in fig. 5 generalized section.
Fig. 7 is the embodiment of nail anvil of the present invention is under rollover states view when applying.
Detailed description of the invention
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching relevant art effect can fully understand and implement according to this.Each feature in the embodiment of the present invention and embodiment, can be combined with each other under prerequisite of not conflicting mutually, the technical scheme formed is all within protection scope of the present invention.
As depicted in figs. 1 and 2, the embodiment of nail anvil of the present invention, mainly includes center-pole 10, cap body 20 and endless knife anvil 30 etc.In the embodiment of nail anvil of the present invention, annular nail anvil 30 includes inner round portion 31 as shown in Figure 3 and outer perimeter section 32, and both are nested together, and to form annular nail anvil 30 overall.With anastomat with the use of time, inner round portion 31 and outer perimeter section 32 can be cut by the endless knife on anastomat and become two parts.In nail anvil shown in Fig. 1, only give the signal of endless knife anvil 30 outer perimeter section 32.
The first end of center-pole 10 is connected rotationally with the connecting portion 21 on cap body 20, and connecting portion 21 is arranged on cap body 20 towards on the end face of center-pole 10 side.On the end face of the first end of center-pole 10, be provided with stop block 40.Endless knife anvil 30 is arranged on the periphery of the connecting portion 21 of cap body 20, and stop block 40 is stretched out in the part of the end face of the first end of center-pole 10, is pressed in cap body 20 towards on the end face of this side of center-pole 10.Center-pole 10, on the position of its first end, is provided with eaves portion 11.Between the connecting portion 21 of eaves portion 11 and cap body 20, elasticity is provided with torsion spring 50.Under the original state of nail anvil, the torsion spring 50 that elasticity is arranged can make cap body 20 be rendered as the state withstood on center-pole 10.In an initial condition, cap body 20 keeps position relationship that is vertical or near vertical towards the end face of this side of center-pole 10 and the axis direction of center-pole 10.It should be noted that, in embodiments of the invention, as long as cap body 20 is in subvertical relative position relation towards the end face of this side of center-pole 10 and the axis direction of center-pole 10, and do not need cap body 20 to be strict 90 degree towards the end face of this side of center-pole 10 and the axis direction of center-pole 10, it will be appreciated by those skilled in the art that, in embodiments of the invention, cap body 20 is towards the vertical relation between the end face and the axis direction of center-pole 10 of this side of center-pole 10, is there are positive and negative 10 degree of deviations that even scope is larger.
It should be noted that, the parts such as center-pole 10 grade shown in Fig. 2, relative to the visual angle shown in Fig. 1, have rotated clockwise about 90 degree.
As shown in Figure 1, in the embodiment of nail anvil of the present invention, between the connecting portion 21 on center-pole 10 and cap body 20, hinged by pin 60, realize relatively rotating of center-pole 10 and cap body 20.Torsion spring 50 is enclosed within pin 60, and one end is flexibly pressed against in eaves portion 11, and the other end is flexibly pressed against on connecting portion 21.In other embodiments of nail anvil of the present invention, between the connecting portion 21 on center-pole 10 and cap body 20, also can be connected by rivet, relatively rotating of center-pole 10 and cap body 20 can be realized equally.
As shown in Figure 4, in the embodiment of nail anvil of the present invention, the connecting portion 21 on cap body 20 can be that cap body 20 is towards a pair wall on the end face of this side of center-pole 10.This comprises the first wall 211 and the second wall 212 be oppositely arranged to wall.The first end of center-pole 10 is clipped in this between wall, is connected rotationally with this by pin 60 to wall.
As shown in Figure 2 and Figure 4, center-pole 10 is provided with the first pin hole 12, first wall 211 is provided with on the second pin hole 23, second wall 212 and is provided with the 3rd pin hole 24.Pin 60 is through the second pin hole 23, first pin hole 12 and the 3rd pin hole 24, thus it is hinged to achieve between center-pole 10 and cap body 20.
In the embodiment of nail anvil of the present invention, torsion spring 50 is enclosed within pin 60, and between the first end and one of them wall of a pair wall of center-pole 10.Limit the wall of torsion spring 50 activity space together with center-pole 10, relative on the wall of another wall, be formed with stopper section, be used for together with the eaves portion 11 on center-pole 10, limit the two ends of torsion spring 50.Also namely torsion spring 50 elasticity is arranged between the eaves portion 11 of center-pole 10 and this stopper section.When connecting portion on center-pole 10 with cap body 20 is riveted by rivet, torsion spring 50 is enclosed within rivet.
In Fig. 1 and embodiment illustrated in fig. 2, torsion spring 50 is arranged between the first end of center-pole 10 and the second wall 212.For this situation, the stopper section of restriction torsion spring 50 wherein one end, is namely arranged on the second wall 212.As shown in Figure 4, the step-like structure 221 that the second wall 212 is formed on the wall of the first wall 211, is the stopper section in the embodiment of nail anvil of the present invention.One end of torsion spring 50 can limit range of activity for this step-like structure 221.
In the embodiment of nail anvil of the present invention, stop block 40 between the end face of the first end of center-pole 10 and cap body 20 end face towards this side of center-pole 10, and is fixedly connected with center-pole 10.When the first end of center-pole 10 is clipped between a pair wall, stop block 40 also between this is to wall, and stretches out from this between wall.Stop block 40 stretches out this direction to wall, vertical with the axis direction of center-pole 10.Stop block 40 stretches out this and is pushed down by endless knife anvil 30 part of wall, thus whole stop block 40 is limited between center-pole 10 and cap body 20.
In the embodiment of nail anvil of the present invention, stop block 40 stretches out the direction of the end face of the first end of center-pole 10, perpendicular to center-pole 10 and cap body 20 center of rotation in relative rotation.
In the embodiment of nail anvil of the present invention, stop block 40 can be fixedly connected with center-pole 10 by the mode of welding.
In the embodiment of nail anvil of the present invention, eaves portion 11 on center-pole 10 is perpendicular to the size on center-pole 10 direction, on the first end being greater than center-pole 10 identical with this eaves portion 11 towards the radial dimension at position, also namely on the direction perpendicular to center-pole 11 axis, the first end of eaves portion 11 overcenter bar 10.Like this, torsion spring 50 can flexibly be arranged between the eaves portion 11 of center-pole 10 and this stopper section, thus can apply certain strength respectively respectively to center-pole 10 and cap body 20.
As shown in Figure 4 and Figure 5, in the embodiment of nail anvil of the present invention, the inwall of endless knife anvil 30 inner round portion 31 is provided with constraint block 33 towards center-pole 10, this constraint block 33 is pressed on stop block 40, and the part of stop block 40 being stretched out the end face of the first end of center-pole 10 is pressed in cap body 20 towards on the end face of this side of center-pole 10.This constraint block 33 can be the structure protruded towards center-pole 10 based on the inwall of endless knife anvil 30.
When abutting end end circumcision stapler uses, originally the embodiment of nail anvil of the present invention is in original state as shown in Figure 5 and Figure 6.Now, the axis direction of center-pole 10 is perpendicular to the end face of cap body 20 towards this side of center-pole 10.Stop block 40 is pressed on the end face of cap body 20 by constraint block 33 by endless knife anvil 30, and the two ends of torsion spring 50 are limited between the eaves portion 11 of center-pole 10 and wall and are in the state of being forced to.Although cap body 20 is hinged on center-pole 10, the stop block 40 be fixedly connected with center-pole 10 is pressed in by the constraint block 33 on endless knife anvil 30 cannot be movable on cap body 20.And the torsion spring 50 be forced between the eaves portion 11 and the connecting portion 21 of cap body 20 of center-pole 10, free state cannot be reverted to, the trend for free state will be reverted to can only be maintained.Thus, the axis direction of center-pole 10 and cap body 20 towards this side of center-pole 10 end face between keep position relationship that is vertical or near vertical, to facilitate and to hold together with circumcision stapler, the pocket that both sides tube chamber to be anastomosed broken ends of fractured bone tissue is separately stitched into is furthered and clamps.In this state, on the axis direction of center-pole 10, the projected area of cap body 20 is substantially equal to the area of cap body 20 towards the end face of this side of center-pole 10, is also namely roughly cap body 20 perpendicular to the maximum secting area on center-pole 10 axis direction, as shown in Figure 5 and Figure 6.
When the rotor of operating side end circumcision stapler tail end, when making nail anvil and anastomat close and ensure that the pocket that both sides tube chamber to be anastomosed broken ends of fractured bone tissue is separately stitched into clamps and reaches the space requirement of following closely molding, just can operate endless knife on anastomat and cut off endless knife anvil 30 in nail anvil, to facilitate by the respective purse string suture of both sides tube chamber to be anastomosed together.After endless knife cuts off endless knife anvil 30, endless knife anvil 30 will be cut into two parts (foregoing outer perimeter section 32 and inner round portion 31) by endless knife, inner round portion 31 with constraint block 33 will be followed endless knife and be removed, thus constraint block 33 is also followed endless knife and is removed together.After constraint block 33 is removed with endless knife, under the elastic force effect of torsion spring 50, will there is the motion of deflection relatively, and then cause cap body 20 relative to the upset of the axis generation certain angle of center-pole 10, as shown in Figure 7 in cap body 20 and center-pole 10.
Be forced to the torsion spring 50 between the eaves portion 11 and the connecting portion 21 of cap body 20 of center-pole 10, because remain the trend for reverting to free state always, thus the elasticity torsion spring 50 be arranged between the eaves portion 11 of center-pole 10 and connecting portion 21 remains for endless knife anvil 30 and cap body 20 will be carried out the trend overturn in the end of center-pole 10 always.When stop block 40 suffer restraints the pressure of block 33 reduce gradually and finally disappear time, the part that endless knife anvil 30 is not taken away by endless knife and cap body 20, under the effect of torsion spring 50, will in the end of center-pole 10, around the upset of center-pole 10 with cap body 20 hinge point (in other words around pin 60), cap body 20 is flipped an angle relative to original state, until cap body 20 touches towards the part of that end face of center-pole 10 component that stops that it continues upset and stops, as shown in Figure 7.The angle that cap body 20 overturns relative to original state, depends primarily on the thickness of cap body 20 and the radial dimension of center-pole 10.The nail anvil of the embodiment of the present invention, can overturn more than 45 degree usually; In some comparatively preferred embodiment, cap body 20 can overturn about 60 degree usually.
After the upset of cap body 20 relative centre bar 10 puts in place, the bulk of cap body 20 on the axis direction of center-pole 10, just becomes a line segment close to the equal diameters with this end face by cap body 20 under original state towards the area of the end face of this side of center-pole 10.And from the wound of life entity, extract the direction of anastomat, identical with the axis direction of this center-pole 10.Therefore, embodiments of the invention, can make the sectional area of the wound on human body or life entity when being less than the radial maximum secting area of nail-anvil cap body 20, successfully can extract anastomat and nail anvil from wound equally.
In the ideal situation, the wound on life entity can be even equal or a strip opening of radial dimension slightly larger than nail anvil uppercap body 20.
Therefore, compared to existing technology, nail anvil of the present invention reduces the size of life entity wound when holding end ring to cut operation, the damage to wound can also be reduced simultaneously, reduce the difficulty of wound healing, shorten the recovery time after time of wound healing and life entity operation, reduce physiology and the psychological burden of life entity.
Certainly, in the embodiment of nail anvil of the present invention, also on wall, all stopper section can be set at this.When reality uses, torsion spring 50 can be arranged on center-pole 10 and this in wall wherein between any one wall.Or, also two torsion springs 50 can be set simultaneously, and center-pole 10 and this is between any one wall in wall, a torsion spring 50 is set all separately.Those skilled in the art will appreciate that between center-pole and any one wall, arrange two or more torsion spring, is equally also feasible.When multiple torsion spring is set between center-pole 10 and wall, the power overturning cap body 20 relative to center-pole 10 can be increased.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding technical solution of the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.

Claims (10)

1. a nail anvil, comprises center-pole, cap body and endless knife anvil, wherein:
Described center-pole is connected rotationally with the connecting portion on cap body;
Described center-pole is provided with eaves portion, the end face of one end of the described connecting portion of connection of described center-pole is provided with stop block;
Between the described eaves portion of described center-pole and the described connecting portion of described cap body, elasticity is provided with torsion spring;
The part that described stop block is stretched out the end face of one end of the described connecting portion of connection of described center-pole by described endless knife anvil is pressed on described cap body, and described cap body is withstood on described center-pole.
2. nail anvil according to claim 1, wherein:
Described connecting portion on described center-pole and described cap body is hinged or rivet.
3. nail anvil according to claim 2, wherein:
Described connecting portion on one end of the described connecting portion of connection of described center-pole and described cap body is by pin-hinges, and described torsion spring set is on described pin; Or
Described connecting portion on one end of the described connecting portion of connection of described center-pole and described cap body is by rivet, and described torsion spring set is on described rivet.
4. nail anvil according to claim 1, wherein:
Described connecting portion comprises and is arranged on described cap body towards a pair wall on the end face of described center-pole, one end of the described connecting portion of connection of described center-pole is clipped between described a pair wall, and one end of the described connecting portion of connection of described center-pole is connected rotationally with described a pair wall.
5. nail anvil according to claim 4, wherein:
At least one wall in described a pair wall is formed with stopper section on the wall of another wall, and described torsion spring elasticity is arranged between described eaves portion and described stopper section.
6. nail anvil according to claim 5, wherein:
The step-like structure that at least one wall described is formed on the wall of another wall described is described stopper section.
7. nail anvil according to claim 5, wherein:
One end of described torsion spring is flexibly pressed against in described eaves portion, and the other end is flexibly pressed against on described stopper section.
8. nail anvil according to claim 1, wherein:
Described stop block stretches out the direction of the end face of one end of the described connecting portion of connection of described center-pole, perpendicular to described center-pole and described cap body center of rotation in relative rotation.
9. nail anvil according to claim 1, wherein:
Described endless knife anvil is arranged on the periphery of the described connecting portion of described cap body.
10. nail anvil according to claim 9, wherein:
The inwall of described endless knife anvil is provided with constraint block towards described center-pole, and the part that described stop block is stretched out the end face of one end of the described connecting portion of connection of described center-pole by described constraint block is pressed on described cap body.
CN201410566627.3A 2014-10-22 2014-10-22 Nail anvil Pending CN104382625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410566627.3A CN104382625A (en) 2014-10-22 2014-10-22 Nail anvil

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Application Number Priority Date Filing Date Title
CN201410566627.3A CN104382625A (en) 2014-10-22 2014-10-22 Nail anvil

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CN104382625A true CN104382625A (en) 2015-03-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112089465A (en) * 2019-12-09 2020-12-18 杭州市第一人民医院 A foldable tubular stapler nail anvil inserted through the oral cavity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973782A (en) * 2005-03-24 2007-06-06 张祖仁 Tubular digestive tract anastomat
CN202740062U (en) * 2012-09-12 2013-02-20 宁波海泰科迈医疗器械有限公司 Mounting structure of nail propping seat for staplers
US20130092720A1 (en) * 2011-10-18 2013-04-18 Justin Williams 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
CN204207799U (en) * 2014-10-22 2015-03-18 重庆康美唯外科器械有限公司 A kind of nail anvil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973782A (en) * 2005-03-24 2007-06-06 张祖仁 Tubular digestive tract anastomat
US20130092720A1 (en) * 2011-10-18 2013-04-18 Justin Williams Tilt top anvil with torsion spring
CN202740062U (en) * 2012-09-12 2013-02-20 宁波海泰科迈医疗器械有限公司 Mounting structure of nail propping seat for staplers
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
CN204207799U (en) * 2014-10-22 2015-03-18 重庆康美唯外科器械有限公司 A kind of nail anvil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112089465A (en) * 2019-12-09 2020-12-18 杭州市第一人民医院 A foldable tubular stapler nail anvil inserted through the oral cavity

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Application publication date: 20150304