CN106175861A - Tissue closing device, tissue closure assembly and be furnished with the medical apparatus and instruments of this tissue closure assembly - Google Patents

Tissue closing device, tissue closure assembly and be furnished with the medical apparatus and instruments of this tissue closure assembly Download PDF

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Publication number
CN106175861A
CN106175861A CN201610642767.3A CN201610642767A CN106175861A CN 106175861 A CN106175861 A CN 106175861A CN 201610642767 A CN201610642767 A CN 201610642767A CN 106175861 A CN106175861 A CN 106175861A
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CN
China
Prior art keywords
nail
tissue
ejector pin
pin block
closing device
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.)
Granted
Application number
CN201610642767.3A
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Chinese (zh)
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CN106175861B (en
Inventor
陈望东
孙克展
林江
郭毅
曹元阳
张蓉琼
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.)
Suzhou Tianchen International Medical Technology Co Ltd
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Suzhou Tianchen International Medical Technology 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.)
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Publication date
Application filed by Suzhou Tianchen International Medical Technology Co Ltd filed Critical Suzhou Tianchen International Medical Technology Co Ltd
Priority to CN201610642767.3A priority Critical patent/CN106175861B/en
Publication of CN106175861A publication Critical patent/CN106175861A/en
Priority to BR112018012702-7A priority patent/BR112018012702A2/en
Priority to PCT/CN2016/111459 priority patent/WO2017107947A1/en
Priority to RU2018125470A priority patent/RU2726991C2/en
Priority to JP2018532229A priority patent/JP6580269B2/en
Priority to US16/061,641 priority patent/US10835244B2/en
Priority to EP16877757.1A priority patent/EP3395265A4/en
Application granted granted Critical
Publication of CN106175861B publication Critical patent/CN106175861B/en
Active 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, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/1114Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/0682Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3209Incision instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • A61B2017/07271Stapler heads characterised by its cartridge
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1132End-to-end connections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1142Purse-string sutures

Abstract

Present invention is disclosed a kind of tissue closing device, including base and the pressing plate of base engagement, and ejector pin block, its center platen it include an open position and a make position, when pressing plate is positioned at make position, described pressing plate and described base engagement form first accommodation space that can house part tubular tissue;Described ejector pin block includes that an initial position, a nail make position and retract position, and described initial position is positioned at described nail make position and the near-end of the first accommodation space, retracts position between initial position and nail make position;Described tissue closing device also includes putting nail portion, put nail portion and be arranged at described base far-end and for placing cutting knife, when described ejector pin block from nail make position to retract position move time, ejector pin block coordinate with described cutting knife with drive cutting knife move proximally to cut off tissue from base far-end.The tissue closing device that this invention provides is simple to operate, easy to use, further reduces operation cost.

Description

Tissue closing device, tissue closure assembly and be furnished with the medical treatment of this tissue closure assembly Apparatus
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of tissue closing device, tissue closure assembly and join There is the medical apparatus and instruments of this tissue closure assembly.
Background technology
In existing gastral anastomosis, it is usually and first uses linear type or arc line shaped anastomat to pipe Carry out detachment coincide, re-use circular-pipe anastomat carry out the tissue to detachment carry out docking coincide.So, when using linear type Or arc line shaped anastomat pipe is carried out detachment coincide after, owing to anastomotic stoma is wire, so re-use tubular type Cat ear can be there is during Anastomat hemorrhoidal circumcision, have the risk of fistula, and cost of performing the operation is high.
Summary of the invention
It is an object of the invention to provide a kind of tissue closing device, tissue closure assembly and be furnished with this tissue closure assembly Medical apparatus and instruments.
One of for achieving the above object, an embodiment of the present invention provides a kind of tissue closing device, including base, With the pressing plate of base engagement, and ejector pin block, wherein said pressing plate be set to can the most described base rotation, it includes opening Position and a make position, when described pressing plate is positioned at make position, described pressing plate and described base engagement form one and can house First accommodation space of part tubular tissue;Described ejector pin block includes that an initial position, a nail make position and retract position, Described initial position is positioned at described nail make position and the near-end of described first accommodation space, described in retract position be positioned at described at the beginning of Between beginning position and nail make position;Described tissue closing device also includes putting nail portion, described in put nail portion and be arranged at described base Far-end and be used for placing cutting knife, when described ejector pin block from nail make position to retract position move time, described ejector pin block is with described Cutting knife coordinates to drive cutting knife to move proximally to cut off tissue from described base far-end.
As the further improvement of embodiment of the present invention, described in put nail portion and be additionally operable to place at least one Guan Bi nail, institute State ejector pin block and described nail portion of putting is set to can order about the structure being positioned at the Guan Bi nail molding putting nail portion, described ejector pin block ordinatedly When being driven described Guan Bi nail molding by proximate, described cutting knife maintains static relative to described nail portion of putting, thus does not cuts Tissue.
As the further improvement of embodiment of the present invention, described Guan Bi nail is set to two, and said two Guan Bi nail Lay respectively at the both sides of described cutting knife.
As the further improvement of embodiment of the present invention, described in put nail portion and be provided with step, with limit described Guan Bi nail to Proximal direction moves, and when described ejector pin block connects and drive described cutting knife to move proximally to described cutting knife, described Guan Bi is followed closely Remain stationary as relative to described nail portion of putting.
As the further improvement of embodiment of the present invention, the nail that described ejector pin block has for described Guan Bi nail molding becomes Type groove and for compressing the sidewall of tissue, described sidewall is higher than described nail forming tank.
As the further improvement of embodiment of the present invention, described ejector pin block is provided with mesospore between described sidewall, institute State mesospore less than described sidewall.
As the further improvement of embodiment of the present invention, described mesospore has arc recessed sky portion.
As the further improvement of embodiment of the present invention, described cutting knife includes the cutting part for cutting off tissue, and divides It is not positioned at the opposite sides of described cutting part and the first connecting portion being connected with described cutting part and the second connecting portion, described A junction and the second connecting portion selectively disengage with described ejector pin block or connect.
As the further improvement of embodiment of the present invention, described cutting part is provided with the halberd for being cut off by end tissue Sword, described halberd cutlery has point.
As the further improvement of embodiment of the present invention, described cutting part is additionally provided with for the cut-out sidewall tissue that slides Oblique sword, described oblique sword is along curve extension, and described oblique sword and described halberd sword are in smoothing junction, and described oblique sword is set to two, and The oblique sword of said two is distributed in the both sides of described halberd sword.
As the further improvement of embodiment of the present invention, described first connecting portion and the second connecting portion are equipped with and connect Portion, described ejector pin block has the junction surface selectively connecting with described mating part or disengaging.
As the further improvement of embodiment of the present invention, described mating part is buckle, and described junction surface is projection.
As the further improvement of embodiment of the present invention, described cutting knife has mating part, and described ejector pin block has optional The junction surface connecting with described mating part or disengaging with selecting, when described ejector pin block from nail make position to retract position move time, Described mating part connects with described junction surface so that described ejector pin block drives cutting knife to move proximally to cut from described base far-end Disconnected tissue, when described ejector pin block moves to nail make position from initial position, described mating part disengages with described junction surface.
As the further improvement of embodiment of the present invention, described mating part is buckle, and described junction surface is projection.
One of for achieving the above object, an embodiment of the present invention provides a kind of tissue closure assembly, wherein said Tissue closure assembly includes the tissue closing device described in any of the above-described technical scheme, and can be assembled to described tissue closure The cutting knife of device, in closing course, when described ejector pin block is in initial position and is moved by proximate, described cutting knife Disengage with described ejector pin block, when described ejector pin block is in nail make position and when being moved proximally to by far-end, described ejector pin block with Described cutting knife coordinates to drive cutting knife to move proximally to cut off tissue from described base far-end.
As the further improvement of embodiment of the present invention, described tissue closure assembly also includes being assembled to described tissue Closing device Guan Bi nail, in closing course, when described ejector pin block is positioned at initial position, described Guan Bi nail free end with Described ejector pin block is relative, and when described ejector pin block is positioned at nail make position, the free end of described Guan Bi nail is made by described ejector pin block Use bending forming.
One of for achieving the above object, an embodiment of the present invention provides a kind of medical apparatus and instruments, including instrument body, Connecting the percussion handle of described instrument body, wherein said medical apparatus and instruments also includes the tissue described in any of the above-described technical scheme Closing device, described tissue closing device is removably connected described instrument body.
Compared with prior art, the beneficial effects of the present invention is: be provided with cutting knife, and when described ejector pin block is from nail Guan Bi position Put to retract position move time, described ejector pin block coordinate with described cutting knife with drive cutting knife move proximally to from described base far-end To cut off tissue.This invention is simple to operate, easy to use, further reduces operation cost.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of medical apparatus and instruments in an embodiment of the present invention;
Fig. 2 is the schematic perspective view of tissue closure assembly in an embodiment of the present invention, and now pressing plate is in the close position;
Fig. 3 is another schematic perspective view of tissue closure assembly in an embodiment of the present invention, now removes at bluff piece, and pressing plate In make position;
Fig. 4 is the three-dimensional exploded view of tissue closure assembly in an embodiment of the present invention;
Fig. 5 is another schematic perspective view of tissue closure assembly in an embodiment of the present invention, and now pressing plate is in an open position;
Fig. 6 a is the sectional view that the ejector pin block of tissue closure assembly in an embodiment of the present invention is in initial position;
Fig. 6 b is that the ejector pin block of tissue closure assembly in an embodiment of the present invention is moved through to nail make position by initial position Sectional view in journey;
Fig. 6 c is that the ejector pin block of tissue closure assembly in an embodiment of the present invention arrives the sectional view following closely make position;
Fig. 6 d is that the ejector pin block of tissue closure assembly in an embodiment of the present invention is moved through to retracting position by following closely make position Sectional view in journey;
Fig. 7 is the schematic perspective view of ejector pin block in an embodiment of the present invention;
Fig. 8 is the schematic perspective view of cutting knife in an embodiment of the present invention;
Fig. 9 a is the schematic perspective view closing nail in an embodiment of the present invention;
Fig. 9 b is the front view of the Guan Bi nail shown in Fig. 9 a;
Fig. 9 c is the schematic perspective view after the Guan Bi nail bending shown in Fig. 9 a;
Figure 10 a is the schematic perspective view closing nail in second embodiment of the invention;
Figure 10 b is the front view of the Guan Bi nail shown in Figure 10 a;
Figure 11 a is the front view closing nail in third embodiment of the invention;
Figure 11 b is the front view after the Guan Bi nail bending shown in Figure 11 a;
Figure 12 a is the front view closing nail in four embodiment of the invention;
Figure 12 b is the front view after the Guan Bi nail bending shown in Figure 12 a;
Figure 13 a is the front view closing nail in fifth embodiment of the invention;
Figure 13 b is the front view after the Guan Bi nail bending shown in Figure 13 a.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments are also It is not intended to the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments Conversion is all contained in protection scope of the present invention.
For clearly expressing position described in the present invention and direction, using exercises on apparatus author as reference, near operation One end of person is near-end, and the one end away from operator is far-end.Retract position for Guan Bi after nail reaches make position, by far-end to The position that during proximal movement, initial position is middle with nail make position.
As it is shown in figure 1, the invention discloses the embodiment of a kind of medical apparatus and instruments, medical apparatus and instruments can be used for gastral kiss Closing in operation, it includes instrument body 10, is pivotally connected to the percussion handle 12 of instrument body 10, and is removably connected device The tissue closing device 14 of tool body 10.Usually, tissue closing device 14 is arranged at the far-end of instrument body 10.
The structure of instrument body 10, can continue to use the instrument body structure of existing linear type or arc line shaped anastomat, it is possible to With individually designed, it is to be understood that as long as the structure of this instrument body 10 can coordinate tissue closing device 14 to work. In the following description, by the instrument body structure using existing linear type or arc line type anastomat as the device in present embodiment Tool body 10 structure illustrates.
It addition, the invention also discloses the embodiment of a kind of tissue closure assembly, tissue closure assembly includes group Knit closing device 14 and the Guan Bi nail 16 of tissue closing device 14 can be assembled to.Tissue closing device 14 and the knot of Guan Bi nail 16 Structure and occupation mode will be described in detail following.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, tissue closing device 14 includes that connecting portion 18, base 20 coordinate with base 20 Pressing plate 22, ejector pin block 24, and put nail portion 26.
Wherein, connecting portion 18 is used for connecting instrument body 10.Base 20 is arranged at the far-end of connecting portion 18, and it can and connect Meet portion 18 integrally formed.
In this preferred embodiment, the connection base 20 of pressing plate 22 rotor, so that pressing plate 22 can rotate by respect thereto 20.Its In, put nail portion 26 and be arranged at the far-end of base 20.
Further, nail portion 26 is put one-body molded with base 20 and put at the bottom of the inner side diapire in nail portion 26 and the inner side of base 20 Wall is seamlessly transitted by cambered surface or inclined-plane.
In the present embodiment, the cross section putting nail portion 26 is set to U-shaped.
Further, pressing plate 22 includes pivotally supported two poles of an open position and a make position, such as pressing plate 22 Extreme position or close to extreme position (error occurred because of mechanical engagement causes), when pressing plate 22 is positioned at make position, pressing plate 22 and base 20 can cooperatively form one for housing the first accommodation space 30 of part tubular tissue, this first accommodation space 30 is The cavity of both ends open.When operation, tubular tissue (such as intestinal etc.) can be included in when open position, in make position part Tubular tissue is between pressing plate 22 and base 20.
In an embodiment of the present invention, put nail portion 26 and be formed with one second accommodation space 32, the second accommodation space 32 He First accommodation space 30 connects, and the opening of the i.e. second accommodation space 32 is towards ejector pin block 24, wherein, and the height of the second accommodation space 32 Degree more than the height of the first accommodation space 30, is i.e. base 20 to the distance of pressing plate 22 less than the mouth of the second accommodation space 32 opening Footpath.
Further, put nail portion 26 and can be additionally used at least one Guan Bi nail 16 of placement.Ejector pin block 24 and put nail portion 26 and arrange For the structure being positioned at Guan Bi nail 16 molding putting nail portion 26 can be ordered about ordinatedly.
It addition, tissue closure assembly also includes the cutting knife 31 being assembled to tissue closing device 14, put nail portion 26 and be arranged at the end Seat 20 far-ends and be used for placing cutting knife 31.
As shown in Figure 4, in this preferred embodiment, put nail portion 26 and once can put into two Guan Bi nails 16.Concrete, two are closed Dowel 16 lays respectively at the both sides of cutting knife 31.As such, it is possible to simultaneously to organizing the formation of two boundling pockets.It is of course also possible to set It is set to, puts nail portion 26 and once can only put into a Guan Bi nail 16, or put into plural Guan Bi nail 16.Correspondingly, second holds Between being empty, 32 include at least one nailed groove (not shown), and nailed groove can be formed by putting nail portion 26 inwall, it is possible to is arranged at and puts nail On the inwall in portion 26.
Further, tissue closing device 14 also includes that nail kit, nail kit connect with the nailed groove putting nail portion 26, set in nail kit There is nail pushing structure (such as back-moving spring), by Guan Bi nail 16 filling in nail kit to nailed groove, can realize working as nailed groove Middle without (such as firing complete, after tissue is removed) during Guan Bi nail 16, automatically next Guan Bi nail 16 is filled into nailed groove 321 In.
Further, nail kit is arranged at puts in nail portion 26, as being arranged at the put nail portion 26 relative with putting nail portion 26 opening This is internal.Certainly, this nail kit can also be flexibly connected puts nail portion 26, to be convenient for changing and to load Guan Bi nail 16.
It addition, be additionally provided with bluff piece 44(at the far-end of base 20 to see Fig. 5), so, adjusting including tissue and doctor in During position, Guan Bi nail 16 and cutting knife 31 will not be touched, thus do not result in injury.Wherein, time initial, bluff piece 44 is coated on far End indentation, there, when ejector pin block 24 is during initial position moves to nail make position, along with the compression of tissue, bluff piece 44 quilt Tighten up and be extruded to the neighbouring far-end putting nail portion 26.In this preferred embodiment, the material of bluff piece 44 is elastic film.
Furthermore, the concrete shape of ejector pin block 24 does not limits, as long as its can coordinate put nail portion 26 order about Guan Bi nail 16 molding Complete the Guan Bi to tissue.The far-end end face of the ejector pin block 24 in a kind of mode is set to plane forming tank, as This, when ejector pin block 24 by initial position to following closely (as shown in 6c) during make position moves, be located at the first accommodation space 30 Interior tubular tissue gradually draws in the second accommodation space 32, and is finally all contained in the second accommodation space 32.Can manage Solve, when operation, when ejector pin block 24 is in initial position, no matter in the first accommodation space 30 and the second accommodation space 32 The most all it is placed with tubular tissue, the most only in the first accommodation space 30, is placed with tubular tissue, when ejector pin block 24 is by initial bit Putting in nail make position motor process, the tubular tissue being located at the first accommodation space 30 all will be pushed into the second accommodation space 32 In, in order to when ejector pin block 24 arrives nail make position, the tubular tissue drawn in the second accommodation space 32 is played boundling pocket.
The far-end end face of ejector pin block 24 in a further mode of operation may be configured as the forming tank of arc.So, when ejector pin block 24 from initial position to nail make position motor process, first the curved end of forming tank 16 contacts with Guan Bi nail, and is pushing away The open end giving Guan Bi nail 16 in the movement that nail block 24 is lasting applies pressure, makes the open end bending of Guan Bi nail 16, to draw in Tubular tissue plays boundling pocket.Wherein, forming tank can form the 3rd accommodation space 34, organizes with accommodating part tubular, works as ejector pin When block 24 arrives nail make position, the 3rd accommodation space 34 can close the second accommodation space in the axial direction of assembly closing device 32, add the receiving space size of tubular tissue.It is understood that the 3rd accommodation space 34 actually the first accommodation space 30 A part.
It is understood that when the forming tank of ejector pin block 24 is arranged to difformity, the shape of the nail of institute's molding also with Change, such as: the nail of similar " B " font can also be formed after Guan Bi by setting.
Ejector pin block 24 includes an initial position and a nail make position, and initial position is positioned at nail make position and first and houses The near-end (as shown in 6a) in space 30.Usually, when ejector pin block 24 is positioned at initial position, the near-end of pressing plate 22 is not occurred by it Effect, now pressing plate 22 is opened, and can include tubular tissue to be performed the operation in;When ejector pin block 24 from initial position to nail make position Time mobile, it may act on the near-end of pressing plate 22 near base 20, arrives the make position of pressing plate 22, and its operation principle can be joined directly In line style or arc line shaped anastomat, I-shaped cutter and nail bin, the fit structure of nail anvil, do not repeat them here.
Further, ejector pin block 24 also includes that one retracts position, concrete, and initial position is positioned at nail make position and first The near-end (seeing Fig. 6 a) of accommodation space, retracts position between initial position and nail make position (seeing Fig. 6 d).This The bright position that retracts is nail make position position in the motor process of initial position direction, is namely moved proximally to by far-end During position.
With further reference to Fig. 6 c and 6d, when ejector pin block 24 from nail make position to retract position move time, ejector pin block 24 with Cutting knife 31 coordinates to drive cutting knife 31 to move proximally to cut off tissue from base 20 far-end, retracts position when ejector pin block 24 arrives Time, cutting knife 31 is cutting tissue or is having been turned off tissue, and final ejector pin block returns to initial position to open described pressing plate 22.
Furthermore, cutting knife 31 selectively disengages with ejector pin block 24 or connects, wherein such as Fig. 6 a, during initial position, and ejector pin block 24 disengage with cutting knife 31, and during nail make position, ejector pin block 24 connects with cutting knife 31.Concrete, during initial position, ejector pin block 24 In the near-end of base 20, and cutting knife 31 is positioned at the far-end of base 20 and is placed in nail portion 26 of putting, now cutting knife 31 and ejector pin block 24 Disengage.During nail make position, ejector pin block 24 moves to the far-end of base 20, and now ejector pin block 24 promotes Guan Bi nail closed moulding, And ejector pin block 24 connects with being positioned at the cutting knife 31 putting nail portion 26.Then, ejector pin block 24 moves to retracting position from nail make position, Now ejector pin block 24 drives cutting knife 31 to move proximally to from base 20 far-end, thus cuts off tissue.Specifically, cutting knife 31 has and joins Meeting portion 40, ejector pin block 24 has the junction surface 42 selectively connecting with mating part 40 or disengaging, when ejector pin block 24 is from nail Guan Bi Position to retract position move time, mating part 40 and junction surface 42 connect so that ejector pin block 24 drives cutting knife 31 from base 20 far-end Move proximally to cut off tissue, when ejector pin block 24 moves to nail make position from initial position, mating part 40 and junction surface 42 disengage.Further, mating part 40 is buckle, and junction surface 42 is projection.
In this preferred embodiment, when initial position, ejector pin block 24 disengages with cutting knife 31, now fires and only carries out nail Guan Bi Molding forms the operation of pocket;After Guan Bi nail 16 percussion Guan Bi forms pocket, ejector pin block 24 coordinates with cutting knife 31 to be cut to drive Cutter 31 moves proximally to from base 20 far-end, then carries out cutting the tissue having formed pocket, and pocket is closing when cutting Remain stationary as under the effect of device.On the one hand this mode cut afterwards that first closes ensure that the safety of operation, it is to avoid lotus Bag cuts the risk of tissue in the case of being formed without;Meanwhile, nail closed moulding is carried out with cutting apart, also reduces apparatus Percussion force, improve the reliability of apparatus;Cutting tissue under pocket stationary state, it is ensured that keep lip by design specification Limit;And simple to operate, easy to use, further reduce operation cost.
As it is shown in fig. 7, in this preferred embodiment, ejector pin block 24 has nail forming tank 43, the both sides of described nail forming tank 43 Being respectively provided with the sidewall 46 of compression tissue, sidewall 46 is arranged higher than nail forming tank 43, i.e. sidewall is located closer to and puts nail The side of groove, namely sidewall 46 is positioned at the far-end of nail forming tank 43, and described sidewall 46 is thin-walled.So, it is achieved that first compress Tissue, then Guan Bi nail 16 reshapings, so that it is guaranteed that in tissue income Guan Bi nail 16 completely, the sidewall 46 of thin wall shape is permissible simultaneously Ensure that tissue is had enough compressions, it is thus achieved that bigger compression ratio.Wherein, Fig. 6 d is seen with cutting knife 31() junction surface 42 that connects It is arranged at sidewall 46.
Further, being provided with mesospore 48 between the described two side 46 of ejector pin block 24, wherein mesospore 48 is less than sidewall 46, i.e. Mesospore 48 is positioned at the near-end of described nail forming tank 43.So, mesospore 48 less than the space segment of sidewall 46, i.e. to two side between Hollow out, define escape space when being organized in by compressing, decrease the contact area of mesospore 48 and tissue, more Add beneficially sidewall 46 compression tissue, thus reduce percussion force.Concrete, mesospore 48 has arc recessed sky portion, to reduce and group The contact area knitted.
With further reference to Fig. 6 b and 6c, in this preferred embodiment, ejector pin block 24 from initial position to nail make position fortune During Dong, ejector pin block 24 drives Guan Bi nail 16 molding with putting nail portion 26, and now cutting knife 31 maintains static relative to putting nail portion 26, Thus do not cut tissue.When ejector pin block 24 arrives nail make position, Guan Bi nail 16 closed pair tissue plays boundling pocket, with Time ejector pin block 24 connect with cutting knife 31.See Fig. 6 d, when ejector pin block 24 from nail make position to the motor process retracting position, During i.e. by far-end proximal movement, ejector pin block 24 and cutting knife 31 connect and drive cutting knife 31 to move and form pocket with cutting After tissue, now Guan Bi nail 16 remains stationary as relative to putting nail portion 26.So, cut during ejector pin block 24 rollback Disconnected tissue, operates the simplest.It addition, during initial position, cutting knife 31 is positioned at the far-end of base 20, when Guan Bi nail 16 Guan Bi is with right After tissue plays boundling pocket, cutting knife 31 just moves to cut the tissue after tiing a knot under the driving of ejector pin block 24, so that close During dowel 16 unshaped, cutting knife 31 does not injure tissue.
Specifically, put nail portion 26(and see Fig. 6 d) it is provided with step (not shown), thus limit Guan Bi nail 16 proximally direction Mobile.So, cut during keeping pocket motionless, the lip after cutting can be made to cut according to plan, do not result in Damage pocket or make lip narrow and the operative failure that causes, ensureing the concordance of cutting posterior lip hem width degree simultaneously.Preferably, The cutting knife 31 distance away from pocket be the width of 3mm ~ 5mm, i.e. lip be 3mm ~ 5mm.The most both the reliability of pocket had been ensured;Again can The volume of guarantee pocket is not very big, enters, during facilitating subsequent procedures, the reconstruction carrying out organizing in tube type anastomat.
As shown in Figure 8, cutting knife 31 includes the cutting part 56 for cutting off tissue, and lays respectively at relative the two of cutting part 56 Side and the first connecting portion 58 and the second connecting portion 60 being connected with cutting part 56.Cutting part 56 is provided with for by diapire tissue The halberd sword 54 cut off, halberd sword 54 has point.Further, cutting part 56 is additionally provided with for the cut-out sidewall tissue that slides Tiltedly sword 52.Concrete, oblique sword 52 is set to two, and two oblique swords 52 are distributed in the both sides of halberd sword 54.Halberd sword 54 is for lotus Bag diapire tissue is two sections from central cutout, improves detachment performance further.Specifically, halberd sword 54 has point.Thus will Tissue penetration, it is ensured that detachment will be organized.
In this preferred embodiment, oblique sword 52 is along curve extension, and tiltedly sword 52 is in smoothing junction with halberd sword 54.Tiltedly sword 52 and halberd sword 54 formation are similar in the middle part of " W " shape cutter, i.e. " W " shape cutter be halberd sword, and both sides are oblique sword.It addition, tiltedly sword 52 is formed recessed with halberd sword 54 Enter portion, it is simple in cutting knife 31 moving process, contact with boundling pocket and cut off tissue.Preferably, at the moving process of cutting knife 31 In, halberd sword 54 first touches boundling pocket its center detachment, it follows that tiltedly sword 52 also touches boundling pocket and cuts, enters And tiltedly sword 52 cuts off tissue together with halberd sword 54.
In this preferred embodiment, the first connecting portion 58 and the second connecting portion 60 optionally connect with ejector pin block 24 or de- Open.It is to say, mating part 40 is located on the first connecting portion 58 and the second connecting portion 60.Concrete, cutting part 56 and mating part 40 lay respectively at the two ends that the first connecting portion 58 is relative with the second connecting portion 60.It addition, tiltedly sword 52 respectively with the first connecting portion 58 Obtuse angle is become with the second connecting portion 60.
In this preferred embodiment, can be to be provided with draw-in groove on the first connecting portion 58 and the second connecting portion 60 (not scheme Show), cutting part 56 is fixed in draw-in groove.It addition, cutting part the 56, first connecting portion 58 and the second connecting portion 60 can be welded on Together.Certainly, can also use between cutting part the 56, first connecting portion 58 and the second connecting portion 60 one-body molded.
As shown in Fig. 9 a, Fig. 9 b and Fig. 9 c, this preferred embodiment also discloses a kind of closing for tissue closure assembly 14 Dowel 16, wherein tissue closure assembly includes that tissue closing device, Guan Bi nail 16 can be assembled to tissue closing device, and tissue closes Locking device can operatively be made Guan Bi follow closely 16 bending formings.As long as it addition, tissue closing device is designed to, when operation percussion handle 12, tissue closing device action can be driven to promote Guan Bi nail 16 bending formings, in this not go into detail.Following emphasis Closure member 16 is described in detail.
Guan Bi nail 16 includes the first side that the connecting portion 64 that base portion 62 is connected is connected with connecting portion 64 with base portion 62 Portion 66 and the second sidepiece 68, wherein the first sidepiece 66 and the second sidepiece 68 lay respectively at the both sides of connecting portion 64, and the first sidepiece 66 and second form opening between sidepiece 68, and base portion 62 constitutes the closed channel 70 passed through for apparatus.
In this preferred embodiment, owing to the base portion 62 of Guan Bi nail 16 constitutes the closed channel 70 passed through for apparatus, therefore When penetrating the apparatuses such as leading screw, apparatus can enter from closed channel 70, can't touch pocket, from without applying external force To pocket, and then it is not result in that pocket slips because of stress.Therefore this Guan Bi nail 16 not only facilitates apparatus to enter, and is avoided that When apparatus enters, pocket stress slips.
First sidepiece 66 and the second sidepiece 68 are provided with Spina jujubae portion 72 in the side of adjacent base 62.So, Spina jujubae portion 72 can thrust tissue, thus catch tissue adherence layer, it is therefore prevented that tissue slips.Preferably, Spina jujubae portion 72 is near connecting portion The direction of 64 extends.Certainly, Spina jujubae portion 72 can also be designed to extend to other direction.
Further, the Spina jujubae portion 72 on the first sidepiece 66 and the second sidepiece 68 is set to a plurality of.Concrete, this is preferably In embodiment, the first sidepiece 66 and the second sidepiece 68 it is respectively provided with 3 Spina jujubae portions 72, and on the first sidepiece 66 and the second sidepiece 68 Spina jujubae portion 72 be symmetrical arranged.Certainly, the first sidepiece 66 and the second sidepiece 68 can also be arranged the Spina jujubae portion 72 of other quantity. Equally, the Spina jujubae portion 72 on the first sidepiece 66 and the second sidepiece 68 can also be arranged to asymmetric.
It addition, be respectively provided with step 74 on the first sidepiece 66 and the second sidepiece 68, and step 74 and Spina jujubae portion 72 lay respectively at The both sides that first sidepiece 66 is relative with the second sidepiece 68.Step 74 is conducive to Guan Bi nail 16 bending formings, coordinates simultaneously and puts nail portion Pocket after the step (not shown) of 26 avoids molding moves during cutting knife 31 is pulled.
In this preferred embodiment, the free end of the first sidepiece 66 and the second sidepiece 68 is all set to chamfering, in order to Guan Bi nail 16 At nail forming tank 43 closed moulding.
In closing course, when ejector pin block 24 is positioned at initial position, the free end of Guan Bi nail 16 is relative with ejector pin block 24, Specifically, the first sidepiece 66 is relative with ejector pin block 24 with the free end of the second sidepiece 68.When ejector pin block 24 is positioned at nail Guan Bi position When putting, the free end of Guan Bi nail 16 contains the tubular tissue after drawing in and is acted on bending forming by ejector pin block 24, specifically, the The free end of one sidepiece 66 and the second sidepiece 68 accommodates the tubular tissue after drawing in and is bent by ejector pin block 24 effect, thus is formed Shape after Guan Bi as is shown in fig. 9 c.
Preferably, the first sidepiece 66 and the second parallel setting of sidepiece 68.Certainly, the first sidepiece 66 and the second sidepiece 68 are also Can be arranged to not parallel and slightly have a certain degree.
In this preferred embodiment, closed channel 70 is circular channel.Closed channel 70 is typically for circular-pipe anastomat The apparatuses such as leading screw penetrate.Certainly, closed channel 70 can also be designed to other shapes of passage.
Further it will be understood that in this preferred embodiment, connecting portion 64 also can be provided with at least one sharp portion 76. So, when, after Guan Bi tissue, sharp portion 76 thrusts tissue, further increases and grabs histozoic dynamics, is better protected from tissue Slip when stress.Certainly, present embodiment also can not arrange sharp portion 76 at the connecting portion 64 of Guan Bi nail 16.
Further, connecting portion 64 arranges two sharp portions 76.Two sharp portions 76 are equally used for catching tissue, prevent tissue Disengage.Concrete, the center of connecting portion 64 defines a centrage 78 with the center of closed channel 70, two points on connecting portion 64 Thorn portion 76 is symmetrical arranged relative to centrage 78.Certainly, two sharp portions 76 on connecting portion 64 can also relative to centrage 78 It is arranged to asymmetric.
It addition, see Fig. 1 at pressing plate 22() be in closing course, when ejector pin block 24(sees Fig. 1) it is positioned at initial position Time, the first sidepiece 66 of Guan Bi nail 16 is relative with ejector pin block 24 with the second sidepiece 68, sees Fig. 5, closes when ejector pin block 24 is in nail When closing position, the first sidepiece 66 and second sidepiece 68 of Guan Bi nail 16 are acted on bending forming by ejector pin block 24.
With further reference to Fig. 3, when operation tissue closing device applies pressure to the free end of Guan Bi nail 16, make Guan Bi nail 16 Free end bending time, the first sidepiece 66 of Guan Bi nail 16 and the free end of the second sidepiece 68 at respective step 74 respectively to In bend, thus to draw in tubular tissue formed boundling pocket;Certainly, the first sidepiece 66 and the second sidepiece 68 of Guan Bi nail 16 Free end can not also set step, Guan Bi nail 16 also can bending forming.It is of course also possible to as required by tissue closing device Forming tank 43(of ejector pin block 24 see Fig. 7) be arranged to difformity, the shape of the Guan Bi nail 16 of such institute molding is the most therewith Change, such as: the nail of similar " B " font by setting, after Guan Bi, can also be formed.If it is understood that energy after Bi He The tubular tissue of gathering is played boundling pocket.
Guan Bi nail 16 can be peg, it is also possible to had some strength and elastic other materials to make by other.
Concrete, in this preferred embodiment, when operation tissue closing device, ejector pin block 24 closes position from initial position to nail Putting during moving, the nail forming tank 43 of ejector pin block 24 abuts with the first sidepiece 66 and second sidepiece 68 of Guan Bi nail 16 and makes Its first sidepiece 66 and second sidepiece 68 bending forming, when ejector pin block 24 moves to follow closely make position, Guan Bi nail 16 is bent into Type, thus tissue is beaten boundling pocket, the junction surface 42 of ejector pin block 24 connects with the mating part 40 of cutting knife 31 simultaneously.When ejector pin block 24 from nail make position to retracting during position moves, ejector pin block 24 drives cutting knife 31 proximally to move from the far-end of base 20 Dynamic, thus the tissue after forming pocket cuts off.
To sum up, the tissue closing device of the present invention, tissue closure assembly, medical apparatus and instruments, the boundling that center is drawn in can be formed Pocket, reduces after follow-up circular-pipe anastomat coincide and produces " cat ear " and the risk of fistula, it addition, when Guan Bi tissue, it is only necessary to Once-through operation, easy to use, decrease operation cost.Furthermore, after Guan Bi tissue, tissue is cut off so that close When dowel 16 is unformed, cutting knife 31 will not injure tissue, and ensure the concordance of cutting posterior lip hem width degree simultaneously.
As as-shown-in figures 10 a and 10b, the second preferred embodiment of the Guan Bi nail 16 that the present invention provides, this embodiment and the Closing not being both of nail 16 in one embodiment, the first sidepiece 66 and the second sidepiece 68 are not provided with Spina jujubae, base portion 62 is provided with Extension rod 80, wherein extension rod 80 is positioned at, with connecting portion 64, the both sides that base portion 62 is relative.Concrete, extension rod 80 has spine End.
In this preferred embodiment, extension rod 80 is set to three, and wherein the extended line of first extension rod 80 passes through base portion The center of 62, wherein two other extension rod 80 is symmetrical arranged relative to the first extension rod 80.It is of course also possible to arrange other number The extension rod of amount.
As shown in Figure 11 a and Figure 11 b, the third preferred embodiment of the Guan Bi nail that the present invention provides, this embodiment and first Guan Bi nail 16 be not both in embodiment, this Guan Bi nail 84 is not provided with closed channel, and Guan Bi nail 84 includes the first sidepiece 86 and the The second sidepiece 88 that one sidepiece 86 is oppositely arranged and connect the first sidepiece 86 and bottom 90 of the second sidepiece 88.Wherein the first sidepiece 86 and second form peristome 92 between sidepiece 88, and bottom 90 is relative with peristome 92, and bottom 90 is provided with at least one spine Thorn.
So, the Spina jujubae on bottom 90 can be through the mucous layer of tissue when Guan Bi nail 84 Guan Bi, and boundling pocket can compare Firmly so that pocket is not easy when being drawn by external force to slip.
It addition, the free end of the first sidepiece 86 and the second sidepiece 88 is all set to chamfering, in order to Guan Bi nail 84 is in nail forming tank Closed moulding.
In one preferred embodiment, concrete, bottom 90 is provided with the first Spina jujubae 94 and the second Spina jujubae 96, wherein the first Spina jujubae 94 and second Spina jujubae 96 be symmetrical arranged.Certainly, the first Spina jujubae 94 and the second Spina jujubae 96 can also be arranged to asymmetric.
First Spina jujubae 94 is identical with the length of the second Spina jujubae 96.It is described in detail with the first Spina jujubae 94, the first Spina jujubae 94 First end is located at bottom 90, and the second end of the first Spina jujubae 94 is end, by the end of the first Spina jujubae 94 and be perpendicular to the first spine Thorn 94 defines a vertical line 97, and after Guan Bi nail 84 is bent molding, the bending part 98 of the first sidepiece 86 and the second side The bending part 100 in portion 88 all intersects with vertical line 97.So so that boundling pocket is more firm, prevents further by outward Slip when power is drawn.
Further, since the first Spina jujubae 94 is identical with the length of the second Spina jujubae 96, therefore vertical line 97 is also by the second Spina jujubae The end of 96.Certainly, the length of the first Spina jujubae 94 and the second Spina jujubae 96 can also be arranged to differ.Preferably, the first Spina jujubae 94 and second the length of Spina jujubae 96 after Guan Bi nail 84 closed mouldings in the space that surrounded, to avoid damage to tissue.
Further, the first sidepiece 86 and the second sidepiece 88 define the first plane, after Guan Bi nail 84 is bent molding, The projection on the first plane of the bending part 98 of the first sidepiece 86 is with the bending part 100 of the second sidepiece 88 on the first plane Projection cross one another.It addition, there is centrage 102, the bending of the first sidepiece 86 between the first sidepiece 86 and the second sidepiece 88 Intersecting between the projection on the first plane of part 98 projection on the first plane and the bending part 100 of the second sidepiece 88 Point is positioned on centrage 102, is not to be positioned at utterly on centrage 102 certainly.
It addition, the projection on the first plane of the bending part 98 of the first sidepiece 86 and the bending part of the second sidepiece 88 100 projections on the first plane are respectively positioned on outside the first Spina jujubae 94 and the second Spina jujubae 96, the bending part of the i.e. second sidepiece 88 The projection of 100 between the first sidepiece 86 and the first Spina jujubae 94, the projection of the bending part 98 of the first sidepiece 86 be positioned at second Between sidepiece 88 and the second Spina jujubae 96.
As depicted in figs. 12 a and 12b, the 4th preferred embodiment of the Guan Bi nail that the present invention provides, this embodiment and the 3rd Preferred embodiment is compared, and in this embodiment, Guan Bi nail 106 includes what the first sidepiece 86 and the first sidepiece 86 were oppositely arranged equally Second sidepiece 88 and connection the first sidepiece 86 and bottom 90 of the second sidepiece 88.Wherein between the first sidepiece 86 and the second sidepiece 88 Forming peristome 92, bottom 90 is relative with peristome 92, and bottom 90 is provided with at least one Spina jujubae.
Equally, after Guan Bi nail 106 is bent molding, the bending part 108 of the first sidepiece 86 and the second sidepiece 88 curved Folding part divides 110 all to intersect with vertical line 97.Further, since the first Spina jujubae 94 is identical, the most vertically with the length of the second Spina jujubae 96 Line 97 is also by the end of the second Spina jujubae 96.Certainly, the length of the first Spina jujubae 94 and the second Spina jujubae 96 can also be arranged to not phase With.Preferably, in the space that the length of the first Spina jujubae 94 and the second Spina jujubae 96 is surrounded after Guan Bi nail 84 closed mouldings, to keep away Exempt from damage tissue.
First sidepiece 86 and the second sidepiece 88 define the first plane, and the preferred embodiment is different from the 3rd embodiment It is that, after Guan Bi nail 106 is bent molding, the projection on the first plane of the bending part 108 of the first sidepiece 86 is away from second The projection on the first plane of the bending part 110 of sidepiece 88.
Further, the projection on the first plane of the bending part 108 of the first sidepiece 86 and the bending of the second sidepiece 88 Part 110 projection on the first plane is respectively positioned between the first Spina jujubae 94 and the second Spina jujubae 96.
Bottom 90 on be additionally provided with the 3rd Spina jujubae 112, between the 3rd Spina jujubae 112 and the first sidepiece 86 and the second sidepiece 88 in Heart line 102 coincides.Certainly, the 3rd Spina jujubae 112 can be configured as the centrage between the first sidepiece 86 and the second sidepiece 88 102 is misaligned.Further, the length of the first Spina jujubae 94 and the length of the second Spina jujubae 96 are all higher than the length of the 3rd Spina jujubae 112.
As shown in Figure 13 a and Figure 13 b, the 5th preferred embodiment of the Guan Bi nail 16 that the present invention provides, this embodiment and the Four preferred embodiments are compared, and in the preferred embodiment, the first sidepiece 86 and the second sidepiece 88 define the first plane, when Guan Bi nail After 114 are bent molding, the projection on the first plane of the bending part 116 of the first sidepiece 86 is also away from the second sidepiece 88 Bending part 118 projection on the first plane.
It is again provided with the first Spina jujubae 120 and the second Spina jujubae 122 with the first symmetrical setting of Spina jujubae 120 on bottom 90.Enter One step, bottom 90 is additionally provided with the 3rd Spina jujubae 124, between the 3rd Spina jujubae 124 and the first sidepiece 86 and the second sidepiece 88 in Heart line 102 coincides.Certainly, the 3rd Spina jujubae 124 can be configured as the centrage between the first sidepiece 86 and the second sidepiece 88 102 is misaligned.In this preferred embodiment, the length of the 3rd Spina jujubae 124 is more than length and second Spina jujubae 122 of the first Spina jujubae 120 Length.
It addition, by the end of the 3rd Spina jujubae 124 and be perpendicular to the 3rd Spina jujubae 124 and define a vertical line 126, work as Guan Bi After nail 114 is bent molding, the bending part 118 of the bending part 116 of the first sidepiece 86 and the second sidepiece 88 is all and vertical line 126 intersect.So so that boundling pocket is more firm, prevents further when being drawn by external force and slips.
Further, the first sidepiece 86 and the second sidepiece 88 are equipped with sharp portion 128.Preferably, on the first sidepiece 86 Sharp portion 128 and the second sidepiece 88 on sharp portion 128 be symmetrically set.Concrete, sharp portion 128 is towards near bottom 90 Direction extend.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can With other embodiments understood.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically Bright, they also are not used to limit the scope of the invention, all equivalent implementations made without departing from skill of the present invention spirit Or change should be included within the scope of the present invention.

Claims (17)

1. a tissue closing device, including base and the pressing plate of base engagement, and ejector pin block, it is characterised in that
Described pressing plate be set to can the most described base rotation, it includes an open position and a make position, when described pressing plate When being positioned at make position, described pressing plate and described base engagement form first accommodation space that can house part tubular tissue;
Described ejector pin block includes that an initial position, a nail make position and retract position, and described initial position is positioned at described nail Make position and the near-end of described first accommodation space, described in retract position be positioned at described initial position and nail make position it Between;
Described tissue closing device also includes putting nail portion, described in put nail portion and be arranged at described base far-end and for placing cutting knife, When described ejector pin block from nail make position to retract position move time, described ejector pin block coordinate with described cutting knife with driving cutting knife from Described base far-end moves proximally to cut off tissue.
Tissue closing device the most according to claim 1, it is characterised in that described in put nail portion and be additionally operable to place at least one Guan Bi nail, described ejector pin block and described nail portion of putting are set to can order about the structure being positioned at the Guan Bi nail molding putting nail portion ordinatedly, When described ejector pin block is driven described Guan Bi nail molding by proximate, described cutting knife maintains static relative to described nail portion of putting, Thus do not cut tissue.
Tissue closing device the most according to claim 2, it is characterised in that described Guan Bi nail is set to two, and described Two Guan Bi nails lay respectively at the both sides of described cutting knife.
Tissue closing device the most according to claim 2, it is characterised in that described in put nail portion and be provided with step, to limit State Guan Bi to follow closely proximally direction and move, when described ejector pin block connects and drives described cutting knife to move proximally to described cutting knife, Described Guan Bi nail remains stationary as relative to described nail portion of putting.
Tissue closing device the most according to claim 2, it is characterised in that described ejector pin block has for described Guan Bi nail The nail forming tank of molding and for compressing the sidewall of tissue, described sidewall is higher than described nail forming tank.
Tissue closing device the most according to claim 5, it is characterised in that described ejector pin block sets between described sidewall Having mesospore, described mesospore is less than described sidewall.
Tissue closing device the most according to claim 6, it is characterised in that described mesospore has arc recessed sky portion.
Tissue closing device the most according to claim 1, it is characterised in that described cutting knife includes for cutting off cutting of tissue Cut portion, and lay respectively at the opposite sides of described cutting part and the first connecting portion and second of being connected with described cutting part is connected Portion, described first connecting portion and the second connecting portion selectively disengage with described ejector pin block or connect.
Tissue closing device the most according to claim 8, it is characterised in that described cutting part is provided with for by end tissue The halberd sword cut off, described halberd cutlery has point.
Tissue closing device the most according to claim 9, it is characterised in that be additionally provided with for sliding on described cutting part Cutting off the oblique sword of sidewall tissue, described oblique sword is along curve extension, and described oblique sword is in smoothing junction with described halberd sword, and described oblique sword sets It is set to two, and the oblique sword of said two is distributed in the both sides of described halberd sword.
11. tissue closing devices according to claim 10, it is characterised in that described first connecting portion and the second connecting portion On be equipped with mating part, described ejector pin block has the junction surface selectively connecting with described mating part or disengaging.
12. tissue closing device according to claim 11, it is characterised in that described mating part is buckle, described joint Portion is projection.
13. tissue closing device according to claim 1, it is characterised in that described cutting knife has mating part, described ejector pin Block has the junction surface selectively connecting with described mating part or disengaging, when described ejector pin block from nail make position to retracting position When putting mobile, described mating part and described junction surface connect so that described ejector pin block drives cutting knife from described base far-end proximally Mobile to cut off tissue, when described ejector pin block moves to nail make position from initial position, described mating part and described joint Portion disengages.
14. tissue closing device according to claim 13, it is characterised in that described mating part is buckle, described joint Portion is projection.
15. 1 kinds of tissue closure assemblies, it is characterised in that described tissue closure assembly includes any one of claim 1 to 14 Described tissue closing device, and the cutting knife of described tissue closing device can be assembled to, in closing course, when described ejector pin When block is in initial position and is moved by proximate, described cutting knife disengages with described ejector pin block, when described ejector pin block is in When following closely make position and moved proximally to by far-end, described ejector pin block coordinates with described cutting knife to drive cutting knife remote from described base End moves proximally to cut off tissue.
16. tissue closure assemblies according to claim 15, it is characterised in that described tissue closure assembly also includes filling It is assigned to the Guan Bi nail of described tissue closing device, in closing course, when described ejector pin block is positioned at initial position, described Guan Bi The free end of nail is relative with described ejector pin block, and when described ejector pin block is positioned at nail make position, the free end of described Guan Bi nail is subject to Described ejector pin block effect bending forming.
17. 1 kinds of medical apparatus and instruments, including instrument body, the percussion handle that connects described instrument body, it is characterised in that described doctor Treating apparatus and also include the tissue closing device as described in any one in claim 1 to 14, described tissue closing device is removable Dress ground connects described instrument body.
CN201610642767.3A 2015-12-22 2016-08-08 Tissue closing device, tissue closure component and the medical instrument equipped with the tissue closure component Active CN106175861B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201610642767.3A CN106175861B (en) 2016-08-08 2016-08-08 Tissue closing device, tissue closure component and the medical instrument equipped with the tissue closure component
BR112018012702-7A BR112018012702A2 (en) 2015-12-22 2016-12-22 Tissue closure devices, tissue closure components, and medical devices
PCT/CN2016/111459 WO2017107947A1 (en) 2015-12-22 2016-12-22 Tissue closure device, tissue closure component, and medical equipment
RU2018125470A RU2726991C2 (en) 2015-12-22 2016-12-22 Device for tissue closure, unit for tissue closure and medical instrument
JP2018532229A JP6580269B2 (en) 2015-12-22 2016-12-22 Tissue closure device, tissue closure assembly and medical device
US16/061,641 US10835244B2 (en) 2015-12-22 2016-12-22 Tissue closure device, tissue closure component, and medical instrument
EP16877757.1A EP3395265A4 (en) 2015-12-22 2016-12-22 Tissue closure device, tissue closure component, and medical equipment

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WO2005027983A2 (en) * 2003-09-17 2005-03-31 Gore Enterprise Holdings, Inc. Circular stapler buttress
CN102429694A (en) * 2011-12-31 2012-05-02 北京中法派尔特医疗设备有限公司 Linear cutting stitching instrument adopting pulling-back way
CN203220401U (en) * 2013-05-09 2013-10-02 常州威克医疗器械有限公司 Nail bin seat of disposable intra-cavity cutting anastomat
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WO2017107947A1 (en) * 2015-12-22 2017-06-29 苏州天臣国际医疗科技有限公司 Tissue closure device, tissue closure component, and medical equipment
US10835244B2 (en) 2015-12-22 2020-11-17 Touchstone International Medical Science Co., Ltd. Tissue closure device, tissue closure component, and medical instrument

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