CN106108968A - Tissue closing device and medical apparatus and instruments - Google Patents

Tissue closing device and medical apparatus and instruments Download PDF

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Publication number
CN106108968A
CN106108968A CN201610776877.9A CN201610776877A CN106108968A CN 106108968 A CN106108968 A CN 106108968A CN 201610776877 A CN201610776877 A CN 201610776877A CN 106108968 A CN106108968 A CN 106108968A
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CN
China
Prior art keywords
holder
wall
projection
pod
closing device
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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
CN201610776877.9A
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Chinese (zh)
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CN106108968B (en
Inventor
陈望东
舒拓
叶艳平
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Suzhou Tianchen International Medical Technology Co Ltd
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Suzhou Tianchen International Medical Technology Co Ltd
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Priority to CN201610776877.9A priority Critical patent/CN106108968B/en
Publication of CN106108968A publication Critical patent/CN106108968A/en
Priority to JP2019501650A priority patent/JP6630868B2/en
Priority to PL16912587.9T priority patent/PL3498177T3/en
Priority to ES16912587T priority patent/ES2961737T3/en
Priority to BR112019002566-9A priority patent/BR112019002566B1/en
Priority to HUE16912587A priority patent/HUE063390T2/en
Priority to EP16912587.9A priority patent/EP3498177B1/en
Priority to US16/311,150 priority patent/US11123072B2/en
Priority to RU2019103020A priority patent/RU2717204C1/en
Priority to PCT/CN2016/113460 priority patent/WO2018028134A1/en
Priority to PT169125879T priority patent/PT3498177T/en
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Publication of CN106108968B publication Critical patent/CN106108968B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1132—End-to-end connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1142—Purse-string sutures

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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)
  • Physiology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides a kind of tissue closing device, it includes relatively the first holder of opened/closed, the second holder, described first holder and described second holder to form receiving chamber after closing；Described first holder and described second holder all include pod, the grip block being fixed in described pod, between described pod and described grip block and from proximate extend passage；Having on described grip block from the setting of proximate interval and connect described passage and some openings in described receiving chamber, be positioned at each described opening and can be perpendicular to the direction projection closer or far from described pod of described grip block on described opening edge, described projection is provided with and runs through described projection and the needle tray connected with described receiving chamber from proximate；Projection on described first holder and described second holder shifts to install from proximate, and tissue closing device also includes pushing block and elastic backing mechanism.This tissue closing device can form the boundling pocket that center is drawn in.

Description

Tissue closing device and medical apparatus and instruments
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of tissue closing device and there is this tissue closure dress The medical apparatus and instruments put.
Background technology
In existing gastral anastomosis operation, the most first use linear type or arc line type anastomat to human body tubulose group Knit carry out multi-angle detachment coincide, re-use circular-pipe anastomat the tissue after detachment is carried out docking coincide.
But, after when using linear type or arc line type anastomat to carry out human body tubular tissue, detachment coincide, due to kiss Healing up is wire, especially doing low rectal position when, owing to being limited by working place at the bottom of human body basin and The restriction of linear type apparatus pivot angle, it may appear that intersect and follow closely phenomenon, so, re-use and can there is " cat when circular-pipe anastomat coincide Ear ", the most only risk of fistula, and also it is relatively costly to perform the operation.
Summary of the invention
It is an object of the invention to provide a kind of tissue closing device and there is the medical apparatus and instruments of this tissue closing device.
For achieving the above object, the invention provides a kind of tissue closing device, it is characterised in that: described tissue closes Locking device includes:
Relatively the first holder of opened/closed, the second holder, described first holder and described second holder can form appearance after closing Receive chamber；Described first holder and described second holder all include pod, the grip block being fixed in described pod, are positioned at described folder The passage extended between shell and described grip block and from proximate；Have on described grip block and set from proximate interval Put and connect some openings in described passage and described receiving chamber, be positioned at each described opening and can be on described opening edge Being perpendicular to the direction projection closer or far from described pod of described grip block, described projection is provided with and runs through from proximate Described projection and the needle tray connected with described receiving chamber；The projection on grip block on described first holder and described second holder Shift to install from proximate；
Can by drivingly in each described passage from proximate move gradually to drive on described grip block some Described projection is towards deviating from the pushing block that the direction of described pod is moved, and described pushing block, after far-end moves, is positioned at described pushing block near-end Projection depart from described pushing block；
Elastic backing mechanism, along being perpendicular to described grip block direction, the two ends of described elastic backing mechanism are respectively provided with ordinatedly On described projection, described grip block；Described pushing block drives described elastic backing mechanism to move towards the direction deviating from described pod Time, described elastic backing mechanism generation elastic deformation, when described projection departs from described pushing block, described elastic backing mechanism acts on Described projection makes described projection be positioned at described passage；
The pocket assembly that can be drivingly moved from proximate, including nail pushing device, is movably connected on described nail pushing device A pair syringe needle, connect the connecting portion of the near-end of syringe needle described in a pair；Described nail pushing device when proximate moves, a pair pin Head respectively described first holder, described second holder grip block on projection needle tray in move and thrust tubular tissue, Tubular tissue is gradually pushed to far-end simultaneously collapse to the far-end Guan Bi of syringe needle described in a pair tubular tissue is closed into a lotus Bag.
As a further improvement on the present invention, described projection includes relative and spaced first wall and the second wall, company Connecing described first wall and the connection wall of described second wall, described first wall, the second wall and described connection wall enclose and set formation towards the back of the body The needle tray open from the side of described connection wall, the side that described first wall deviates from described pod is provided with and extends from proximate Wire casing, described elastic backing mechanism is elastica, and the near-end of described grip block, the other end are fixed in one end of described elastica It is fixed on described grip block after extending from proximate in described passage and sequentially passing through the wire casing of each described projection Far-end.
As a further improvement on the present invention, described projection includes relative and spaced first wall and the second wall, company Connecing described first wall and the connection wall of described second wall, described first wall, the second wall and described connection wall enclose and set formation towards the back of the body The needle tray open from the side of described connection wall, the side that described first wall deviates from described pod is provided with and extends from proximate Wire casing, described elastic backing mechanism includes the some elastic line coordinated respectively, each described bullet with each described projection The two ends of property line are individually fixed on the described grip block being positioned at the near-end of this projection, far-end, the pars intermedia of described elastic line Divide and be positioned at described wire casing.
As a further improvement on the present invention, in described opening and described projection is provided with at least one orientation Post, another is provided with the guide slot matched with described orientation post；Described orientation post matches with described guide slot to guide Described projection near or deviate from described pod and move.
As a further improvement on the present invention, described projection includes relative and spaced first wall and the second wall, company Connecing described first wall and the connection wall of described second wall, described first wall, the second wall and described connection wall enclose and set formation towards the back of the body The needle tray open from the side of described connection wall, described first wall deviates from the outside wall surface of described needle tray and described second wall deviates from institute Stating and be equipped with at least one guide slot in the outside wall surface of needle tray, described opening has the orientation post matched with described guide slot； Described orientation post matches with described guide slot to guide described projection close or deviate from described pod to move.
As a further improvement on the present invention, described projection includes relative and spaced first wall and the second wall, company Connecing described first wall and the connection wall of described second wall, described first wall, the second wall and described connection wall enclose and set formation towards the back of the body The needle tray open from the side of described connection wall, described connection wall is provided with at least one side convex from described connection wall The banking stop stretched, described projection deviate from described banking stop when described pod moves ride over the edge of described opening play restriction its The effect continued to move to.
As a further improvement on the present invention, each described projection has proximally-located inclining towards the side of described pod Inclined-plane, it is positioned at the plane of described inclined plane far-end；Described pushing block have be positioned at far-end and the inclined plane part coordinated with described inclined plane, It is positioned at the planar portions of described inclined plane part near-end.
As a further improvement on the present invention, described planar portions width along proximate direction is more than described projection Width on proximate direction.
As a further improvement on the present invention, syringe needle described in a pair and described connecting portion form U-shaped thimble, described first folder The far-end of the grip block of seat is provided with the first binding block that described second holder protrudes out, and described first binding block is provided with and is somebody's turn to do First that the needle tray of the projection on grip block is corresponding follows closely forming tank；The far-end of the grip block of described second holder is provided with The second binding block that one holder protrudes out, described second binding block is provided with corresponding with the needle tray of the projection on this grip block Two nail forming tank.
As a further improvement on the present invention, described connecting portion is purse wire, described first holder and/or described second folder The far-end of seat has the Guan Bi connector coordinated with syringe needle described in a pair, described Guan Bi connector has for housing a pair institute State the accepting hole of needle distal end.
As a further improvement on the present invention, have along its width in the pod of described first holder spaced Two described grip blocks, have in the pod of described second holder along spaced two the described grip blocks of its width； Described tissue closing device also include can by drivingly passage between each described grip block and described pod near Hold and move to drive the described projection on grip block towards deviating from the pushing block that the direction of described pod is moved to far-end.
As a further improvement on the present invention, have along its width in the pod of described first holder spaced Two described grip blocks, have in the pod of described second holder along spaced two the described grip blocks of its width； Described tissue closing device also include can by drivingly each described pod be positioned at two of this described pod described in The described projection court moving to simultaneously drive on two described grip blocks from proximate in passage between grip block deviates from The pushing block that the direction of described pod is moved.
For achieving the above object, the present invention also provides for a kind of medical apparatus and instruments, including instrument body, detachably connected In described instrument body far-end tissue closing device, be connected in described instrument body to fire described tissue closing device Percussion lock.
The invention has the beneficial effects as follows: the tissue closing device of the present invention is by being provided with and can move toward and away from pod Projection, thus when not firing, the some projections on described first holder, described second holder are partly hidden in institute respectively State in the passage on the first holder, described second holder；When percussion, the several projections adjacent from proximate are driven by pushing block Deviate from pod dynamicly and move the human body tubular tissue waviness accommodating intracavity with extruding so that thimble energy discontinuity penetrates human body Tubular tissue, the pocket of formation can penetrate the mucous layer of human body tubular tissue, forms the boundling pocket that center is drawn in；And form lotus Bao Hou, the projection of near-end is hidden in described passage under the effect of elastic backing mechanism again, it is simple to subsequent operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tissue closing device of the present invention.
Fig. 2 be the tissue closing device shown in Fig. 1 the first holder and described second holder coordinate after structural representation.
Fig. 3 is the schematic diagram when the first holder and the second holder open mode of the tissue closing device shown in Fig. 1.
Fig. 4 is the schematic diagram when cock of the tissue closing device shown in Fig. 3.
Fig. 5 is the perspective view in the A-A direction of the tissue closing device shown in Fig. 3.
Fig. 6 is the perspective view in the B-B direction of the tissue closing device shown in Fig. 4.
Fig. 7 is that the tissue closing device shown in Fig. 2 is in the structural representation of another angle.
Fig. 8 is the sectional view in C-C direction of the first holder shown in Fig. 7.
Fig. 9 is the structural representation that the cutter mechanism shown in Fig. 1, pocket assembly coordinate with pushing block.
Figure 10 is the cutter mechanism shown in Fig. 9, the exploded view of pocket assembly.
Figure 11 is that the cutter mechanism shown in Fig. 9, pocket assembly are in the exploded view of another angle.
Figure 12 is the tissue closing device shown in Fig. 1 and the structural representation after the cooperation of transfer connector.
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.
Clearly to express position described in the present invention and direction, with exercises on apparatus author as reference, near operator One end be near-end, the one end away from operator is far-end.
As shown in figure 12, for the medical apparatus and instruments of the present invention, including instrument body (not shown), be removably attachable to described The tissue closing device 100 of instrument body far-end, it is connected in described instrument body fire described tissue closing device 100 Percussion lock (not shown), wherein, described tissue closing device 100 also includes the transfer connector in order to be connected with instrument body 300.It will be appreciated by persons skilled in the art that described instrument body, the concrete structure of described percussion lock do not limit, if energy Enough fire described tissue closing device 100 ordinatedly；The most described instrument body can be continued to use but be not limited to linear type or arc The instrument body mechanism of linear anastomat.
As shown in Fig. 1 ~ Figure 12, for the tissue closing device 100 of better embodiment of the present invention, it is mainly used in human body tubulose The anastomosis of cutting tissue lesion portion, such as alimentary tract anastomosis operation.
Typical human body tubular tissue includes but not limited to: blood vessel, including tremulous pulse and vein；Digestive tract, including esophagus, Stomach, small intestinal, colon, rectum；Bile duct and pancreas；Urinary tract, including ureter, bladder and urethra；And fallopian tube etc..Can manage Solving, described tissue closing device 100 can be used in coincide same human body tubular tissue or human body tubular tissue the most of the same race. Such as, during the mid portion generation pathological changes of colon, described tissue closing device 100 for the two parts connecting colon that coincide, and In the tubular track re-created is colon itself；And lesion portion is sigmoid colon, it is directly to rectum, described Tissue closing device 100 connects colon and rectum for coincideing, and the tubular track re-created is between rectum and colon.
Described tissue closing device 100 include can first holder the 11, second holder 12 of opened/closed relatively, when described When first holder 11 and described second holder 12 close, formed to press from both sides between described first holder 11 and described second holder 12 Hold the receiving chamber 13 of human body tubular tissue.
Described first holder 11 can relative be opened with described second holder 12, enters described appearance for part human body tubular tissue Receive in chamber 13；Described first holder 11 and described second holder 12 being closed afterwards, this part human body tubular tissue is i.e. by first Holder 11 and the second holder 12 are held in described receiving chamber 13, to facilitate subsequent operation.It will be appreciated by those skilled in the art that , so-called subsequent operation includes but not limited to: make this part human body tubular tissue form the boundling pocket that center is drawn in；Cut Cut human body tubular tissue etc..
In the present embodiment, the near-end of described first holder 11 is pivotally connected with the near-end of described second holder 12, and described The far-end of the first holder 11, the far-end of the second holder 12 are split type to open or close described receiving chamber 13；Described first folder When the far-end of seat 11, the far-end of described second holder 12 separate, described first holder 11 and described second holder 12 are in approximation V-type Opening.
Specifically, described first holder 11 and described second holder 12 all include the pod 14 of channel-shaped, are fixed on described folder At least one grip block 15 in shell 14, by described pod 14 and at least one described grip block 15 shape being positioned at this pod 14 The passage 16 extended from proximate become.As described in Figure 8, described first holder 11 and described second holder 12 are respectively provided with Two grip blocks 15；And in other embodiments, described first holder 11 and described second holder 12 can also all include one Described grip block 15.
Described pod 14 and described grip block 15 split are arranged, and in described pod 14 and described grip block 15 sets Have some fixing posts, another is provided with and fixes groove one to one with described fixing post.Described pod 14 and described grip block After 15 are fixed together, described pod 14 is enclosed with described grip block 15 to set and is formed the passage 16 extended from proximate direction. Or, as shown in Figure 3 and Figure 4, described pod 14 is provided with pin-and-hole 141, and described pod 14 is come by pin with described grip block 15 Fixing.Certainly, described pod 14 can also be arranged in integral type with described grip block 15.
The near-end of the pod 14 of described first holder 11 is provided with pivot 143, and the pod 14 of described second holder 12 is near near The position of end is provided with the pivot hole 144 matched with described pivot 143；In described pivot 143 inserts described pivot hole 144 and When described first holder 11 and described second holder 12 close, described first holder 11 is equal with the far-end of described second holder 12 Together, and the near-end of the pod 14 of described second holder 12 is beyond the near-end of pod 14 of described first holder 11, to facilitate and it He assembles by apparatus structure.
Have on described grip block 15 and arrange and connect described passage 16 and described receiving chamber 13 from proximate interval Some openings 17, be positioned at each described opening 17 and can be convex closer or far from described pod 14 of described opening 17 Block 18.It will be appreciated by persons skilled in the art that spaced some openings 17 can be spaced some independence Opening 17；Spaced some described openings 17 can also connect in a big opening from proximate.
In described opening 17 and described projection 18 one be provided with at least one orientation post 171, another be provided with The guide slot 181 that described orientation post 171 matches.Described orientation post 171 matches to guide described convex with described guide slot 181 Block 18 near or deviate from described pod 14 and move, it is understood that for described projection 18 near or when deviating from described pod 14, institute State orientation post 171 in described guide slot 181, move Sloped rotating during to prevent described projection 18 from moving.In the present embodiment, institute Stating and be provided with two guide slots 181 being oppositely arranged on projection 18, described opening 17 inwall is provided with two orientation posts 171.
Some described projection 18 on same described grip block 15 is inline, and each described projection 18 is provided with near End runs through described projection 18 and the needle tray 182 connected with described receiving chamber 13, the grip block 15 of described first holder 11 to far-end Far-end be provided with the first binding block 151 that described second holder 12 protrudes out, described first binding block 151 is provided with and this folder Hold the first nail forming tank (not shown) that the needle tray 182 of projection 18 on plate 15 is corresponding；The grip block of described second holder 12 The far-end of 15 is provided with the second binding block 152 that the first holder 11 protrudes out, and described second binding block 152 is provided with and this clamping Second that the needle tray 182 of the projection 18 on plate 15 is corresponding follows closely forming tank.
It will be appreciated by persons skilled in the art that described first nail forming tank is positioned at the described convex of described first holder 11 The needle tray 182 of block 18 from proximate at the projection of described first binding block 151；Described second nail forming tank is positioned at described The needle tray 182 of the described projection 18 of the second holder 12 from proximate at the projection of described second binding block 152.
It addition, when described first binding block 151 and described second binding block 152 separate, human body tubular tissue is opened from V-type Mouth can enter in described receiving chamber 13；By apparatus or manually make described first holder 11 and described second holder 12 close in opposite directions Close, until described first binding block 151, described second binding block 152 close described receiving chamber 13, and described first binding block 151, the second binding block 152 is supported in opposite directions, plays both restrictions and continues the effect of Guan Bi, prevents human body tubular tissue outside simultaneously Overflow.
As shown in Fig. 1 ~ 12, in the present embodiment, when described first holder 11 closes with described second holder 12, described the Grip block 15 in one holder 11 is parallel with the grip block 15 in described second holder 12, and described first holder 11 and described Projection 18 on two holders 12 shifts to install from proximate.Close with described second holder 12 at described first holder 11 Time, when not firing, due to the active force of tissue, the some projections 18 on described first holder 11, described second holder 12 It is partly hidden in the described passage 16 that described first holder 11, described second holder 12 and described grip block 15 are formed respectively In.Wherein, so-called parallel refer to almost parallel, not refer in particular to the parallel of proper two planes, such as, can be The distal jaw anti-jaw more than near-end jaw is formed, to reduce percussion force from the direction of proximate.
Specifically, described projection 18 includes relative and spaced first wall 183 and the second wall 184, connects described One wall 183 and the connection wall 185 of described second wall 184, described first wall the 183, second wall 184 and described connection wall 185 enclose and set Formed and face away from the needle tray 182 that the side of described connection wall 185 opens.
The near-end of the outside wall surface that described connection wall 185 deviates from described needle tray 182 has inclined plane 1851, to facilitate from described The near-end of projection 18 drives described projection 18 to deviate from described pod 14 and moves.Further, the outside wall surface of described connection wall 185 is also Have and be positioned at the plane 1852 of described inclined plane 1851 far-end, be positioned at described plane 1852 far-end and right with described inclined plane 1851 Claim the symmetrical inclined plane 1853 arranged, thus described projection 18 proximally and distally can exchange installation, and whether exchange installation Can realize proximally driving described projection 18 to deviate from described pod 14 to move.Certainly, described inclined plane 1851, described plane 1852 and described symmetrical inclined plane 1853 can also be to be collectively forming a cambered surface, reach same effect.
Described connection wall 185 is provided with at least one banking stop 1854 from the side outward of described connection wall 185, Described projection 18 deviate from described banking stop 1854 when described pod 14 moves ride over the edge of described opening 17 play restriction its The effect continued to move to so that the outside wall surface of described connection wall 185 is always positioned in described passage 16.In the present embodiment, described Connect wall 185 and there is far-end banking stop 1854a, the near-end banking stop 1854b extended to two ends respectively from far-end, near-end, work as institute Stating projection 18 and deviate from described pod 14 when moving, described far-end banking stop 1854a, near-end banking stop 1854b ride over described opening The edge of 17 plays its effect continued to move to of restriction.
It addition, described pod 14 is provided with to house and the stopper slot 145 of the outside wall surface of spacing described connection wall 185, When described projection 18 moves towards described pod 14, described stopper slot 145 support described connection wall 185 play limit its continue The effect of movement so that described first wall 183 and the second wall 184 deviate from one end of described connection wall 185 and be always positioned at described appearance Receive in chamber 13.When described projection 18 is near described pod 14, described far-end banking stop 1854a, near-end banking stop 1854b are positioned at Outside described stopper slot 145.
Described first wall 183 deviates from the outside wall surface of described needle tray 182 and described second wall 184 deviates from described needle tray 182 It is equipped with at least one guide slot 181 in outside wall surface, there is in described opening 17 the orientation post matched with described guide slot 181 171；When described projection 18 is close or deviates from described pod 14, described orientation post 171 moves in described guide slot 181, to protect Demonstrate,prove described projection 18 to move along the direction being perpendicular to described grip block 15, prevent projection 18 run-off the straight when mobile.
Further, described tissue closing device 100 also include can by drivingly in each described passage 16 near Hold and move gradually to drive the some described projection 18 on described grip block 15 to move towards the direction deviating from described pod 14 to far-end Dynamic pushing block 19；Described pushing block 19 is after far-end moves, and the projection 18 being positioned at described pushing block 19 near-end departs from described pushing block 19, from And projection 18 can be retracted in described passage 16, to facilitate the motion of other structures.
Specifically, described projection 18 has proximally-located inclined plane 1851, is positioned at institute towards the side of described pod 14 State the plane 1852 of inclined plane 1851 far-end；Described pushing block 19 has the inclined-plane being positioned at far-end and coordinating with described inclined plane 1851 Portion 191, it is positioned at the planar portions 192 of described inclined plane part 191 near-end；Described pushing block 19 moves from proximate in described passage 16 Time dynamic, described inclined plane part 191 acts on described inclined plane 1851 and moves to institute driving described projection 18 to deviate from described pod 14 Stating plane 1852 to support with described planar portions 192, the most described banking stop 1854 is overlapped on the edge of described opening 17.This enforcement In example, described planar portions 192 is designed to along the length of proximate bearing of trend, is positioned at the pushing block of described first holder 11 When plane 1852 phase of the planar portions 192 of 19 and one of them projection 18 is supported, it is positioned at the pushing block 19 of described second holder 12 Planar portions 192 also simultaneously plane 1852 phase with one of them projection 18 support, and these two projections 18 are adjacent.
Further, described tissue closing device 100 also includes that the far-end being positioned at each described passage 16 is described to drive The shell fragment 161 that pushing block 19 moves towards the direction deviating from described pod 14.Specifically, described shell fragment 161 is positioned at described grip block 15 On the far-end of all described projection 18, after described pushing block 19 promotes all described projections 18 to move away from described holder, institute Stating shell fragment 161 drives described pushing block 19 to move towards the direction deviating from described pod 14, such that it is able to concede passage 16, it is simple to other The operation of apparatus.
Have in the pod 14 of described first holder 11 along spaced two the described grip blocks 15 of its width, institute Have in stating the pod 14 of the second holder 12 along the embodiment of spaced two the described grip blocks 15 of its width, institute State the first holder 11 and described second holder 12 is respectively provided with along being perpendicular to the conduit 111 that the direction of described grip block 15 is run through, and Described conduit 111 extends from proximate；Two described grip blocks 15 in described first holder 11 divide along its width Being located at described conduit 111 both sides, two described grip blocks 15 in described second holder 12 are divided into described along its width The both sides of conduit 111.
Described tissue closing device 100 in this embodiment can be simultaneously in the side formation of the tubular tissue with pathological changes Two pockets；Therefore when cutting human body tubular tissue between these two pockets, there is the end of tubular tissue of pathological changes also by lotus Wrapping is tight closes, and is difficult to disengage, it is simple to follow-up taking-up is external.And it is provided only with a described grip block 15 in described first holder 11 Embodiment in, described tissue closing device 100 needs to operate twice and also can be formed in the side of the tubular tissue with pathological changes Two pockets.
As a example by two grip blocks 15 in described first holder 11, two grip blocks 15 in same holder 14 can picture Being symmetrical arranged shown in Fig. 8 can also identical mode be set up in parallel, if under both of these case on two described grip blocks 15 Dry projection 18 is arranged from proximate coordination.Certainly, the projection 18 on two described grip blocks 15 can also asynchronous be arranged, Such as shift to install.
Compared to being provided only with the embodiment of a described grip block 15 in described first holder 11, described pushing block 19 has equally There is the planar portions 192 being positioned at far-end and the inclined plane part 191 coordinated with described inclined plane 1851, being positioned at described inclined plane part 191 near-end； Except for the difference that, the width of this pushing block 19 increases, when described pushing block 19 moves from proximate in described passage 16, and can be simultaneously Act on the described projection 18 on two described grip blocks 15 so that corresponding described projection 18 deviates from described pod 14 and moves.
Certainly, can also include can be by drivingly in each described grip block 15 and institute for described tissue closing device 100 Move to drive the described projection 18 on grip block 15 described towards deviating from from proximate in stating the passage 16 between pod 14 The pushing block 19 that the direction of pod 14 is moved, during use, two pushing blocks 19 are drivingly moved from proximate simultaneously.Described push away Concrete structure and the move mode thereof of block 19 are same as the previously described embodiments, repeat no more in this.
Specifically, described planar portions 192, at the width on proximate direction, is greater than described projection 18 at near-end Width on distal direction so that percussion time, it is ensured that have projection 18 described at least two by jack-up simultaneously, and with phase To be collectively forming corrugated tissue folder by the described projection 18 of jack-up and close face, described to ensure under the effect of pushing block 19 Through needle tray passage can be formed in the tissue of projection 18 clamping；And when pushing block 19 continues distal movement, it is positioned at described The projection 18 of pushing block 19 near-end, owing to losing the effect of described pushing block and return, does not hinder other mechanism's distal movement.
As a example by specifically the described grip block 15 of two in the first holder 11 is symmetrical arranged, when pushing block 19 is at the first holder 11 Passage 16 in when proximate moves, described inclined plane part 191 can simultaneously act on two and lay respectively at described in two Projection 18 on grip block 15 so that these two projections 18 deviate from described holder and move.
Further, described tissue closing device 100 also includes elastic backing mechanism 3.Along being perpendicular to described grip block 15 Direction, the two ends of described elastic backing mechanism 3 are connected on described projection 18, described grip block 15 ordinatedly；Described push away When block 19 drives described elastic backing mechanism 3 to move towards the direction deviating from described pod 14, there is bullet in described elastic backing mechanism 3 Property deformation, when described projection 18 departs from described pushing block 19, described elastic backing mechanism 3 acts on described projection 18 makes described projection 18 are positioned at described passage 19." two ends of described elastic backing mechanism 3 are connected to described projection 18, described folder ordinatedly Hold on plate 15 " refer to: when described projection 18 moves facing away or facing towards described pod 14, described elastic backing mechanism 3 two ends Distance change thus described elastic backing mechanism 3 occurs elastic deformation；And " connection " can be fixing connection, it is also possible to Abut for activity.
Such as, one end of described elastic backing mechanism 3 is connected to described projection 18 and deviates from the side of described pod 14, another End is connected on described grip block 15.When described elastic backing mechanism 3 is in the first state, described projection 18 returns in described elasticity Move back and be hidden under the active force of mechanism 3 in described passage 16；Described pushing block 19 drives described projection 18 to deviate from described pod 14 and moves Time dynamic, described projection 18 compressed tissue simultaneously acts on described elastic backing mechanism 3 and is at the second state；Described projection 18 After departing from described pushing block 19, described elastic backing mechanism 3 is simultaneously driven described projection 18 by the second state to the first State Transferring Move to described projection 18 towards described pod 14 and be retracted in described passage 16.
Wherein " one end of described elastic backing mechanism 3 is connected to described projection 18 and deviates from the side of described pod 14, another End is connected in described pod 14 " in " connection " can be fixing connection, it is also possible to for activity abutting；It addition, " described projection 18 sides deviating from described pod 14 " and it is not specific to the side that described projection 18 is opposing and almost parallel with described pod 14, and It is to refer to the non-immediate side towards described pod 14 of described projection 18, including it towards far-end or the both sides of near-end, if energy Realize described elastic backing mechanism 3 to change between the first state and a second state.
In the present embodiment, the side that described first wall 183 deviates from described pod 14 is provided with the line extended from proximate Groove 186, described elastic backing mechanism 3 is elastica, and the near-end of described grip block 15 is fixed in one end of described elastica, another Hold be fixed on extend and sequentially pass through the wire casing 186 of each described projection 18 in described passage 16 from proximate after described The far-end of grip block 15, described elastica is positioned at each described projection 18 near-end, the part of far-end is respectively positioned on described passage 16 And fit on described grip block 15.
Original state when described first holder 11 and described second holder 12 are opened, described elastica is in the first shape State, described elastica now has less elastic deformation, and described projection 18 is all hidden under the pressure of described elastica In described passage 16；During percussion, described pushing block 19 drives described projection 18 to deviate from described pod 14 and moves and protrude into institute Stating in receiving chamber 13, described elastica and is coated with by the bigger pressure bigger elastic deformation of generation by described projection 18 jack-up On described projection 18, and described projection 18 near-end, the elastica of far-end are close to described grip block 14 and are positioned at described passage 16 Interior side, the tissue now accommodated in chamber 13 presents waveform；When pushing block 19 moves distally to depart from this projection 18, this is convex Block 18 returns in passage 16 under the contractility effect of elastica, concedes the space accommodated in chamber 13.
Certainly, described elastic backing mechanism 3 can also include some elastic with what each described projection 18 coordinated respectively Line, the two ends of each described elastic line are individually fixed on the described grip block 15 being positioned at the near-end of this projection 18, far-end, institute The mid portion stating elastic line is positioned at described wire casing 186, to reach the effect above.
Further, described tissue closing device 100 also includes that the far-end being positioned at each described passage 16 is described to drive Two shell fragments 161 that pushing block 19 moves towards the direction deviating from described pod 14.Specifically, each described shell fragment 161 is positioned at one The far-end of all described projection 18 on described grip block 15, when described pushing block 19 promotes all described projections 18 away from described folder After seat is mobile, two described shell fragments 161 drive described pushing block 19 to move towards the direction deviating from described pod 14 jointly, such that it is able to Concede passage 16, it is simple to the operation of other apparatuses.
Described tissue closing device 100 also includes for closing described first holder 11 and the Guan Bi of described second holder 12 Device 200, described closer 200 includes the first close out sheet being positioned at the side that described first holder 11 deviates from described second holder 12 21a, be positioned at described second holder 12 deviate from described first holder 11 side the second close out sheet 21b, connect described first and close Close sheet 21a and the connection sheet 22 of described second close out sheet 21b；Described first holder 11 and described second holder 12 are equipped with for institute State and connect the Guan Bi conduit 111 that sheet 22 moves from proximate.
Owing to described first holder 11 is shorter than described second holder 12, when described second close out sheet 21b is positioned at described second Described pivot hole 144 on holder 12 is when the side of near-end, and described first close out sheet 21a is positioned at described first holder 11 court Side proximally, the most described first holder 11 and described second holder 12 can be opened.Enter at part human body tubular tissue After in described receiving chamber 13, moved from proximate by apparatus or the described closer 200 of manual promotion, described first Guan Bi Sheet 21a, described second close out sheet 21b are respectively acting on first holder the 11, second holder 12 can close described receiving chamber 13, will This part human body tubular tissue folder closes in described receiving chamber 13.
It is respectively provided with in the embodiment of a described grip block 15 in described first holder 11 and described second holder 12, institute State the first close out sheet 21a to protrude out towards homonymy from the two ends that described connection sheet 22 is relative with described second close out sheet 21b, described Guan Bi Device 200 is in " [" type, described Guan Bi conduit 111 is positioned at the described tissue closing device 100 side along its width.
And in described first holder 11 and described second holder 12, it is respectively provided with two spaced described grip blocks 15 Embodiment in, described conduit 111 be Guan Bi conduit 111；Described first close out sheet 21a and described second close out sheet 21b are certainly The two ends that described connection sheet 22 is relative protrude out towards homonymy or protrude out towards both sides, and described closer 200 is in " [" type or " work " word Type.After described closer 200 assembles with described tissue closing device 100, described connection sheet 22 is positioned at described conduit 111.
Further, the far-end of described connection sheet 22 has the first push rod 23a protruded out towards distal direction and described Two push rod 23b.After described closer 200 assembles with described first holder 11 and described second holder 12, described first push rod 23a, described second push rod 23b protrude into the passage 16 of described first holder 11, the passage 16 of described second holder 12 respectively；From And when described closer 200 moves from proximate, described first push rod 23a, described second push rod 23b drive institute respectively The pushing block 19 stated in the pushing block 19 of the first holder 11, described second holder 12 moves from proximate.
Further, in order to cut human body tubular tissue, described connection after while forming pocket or forming pocket The far-end of sheet 22 is designed to blade, and described connection sheet 22 is cutting edge, and described closer 200 is i.e. converted into cutter mechanism, Described Guan Bi conduit 111 is tool slot.
Further, described tissue closing device 100 also includes the pocket assembly being movably connected on described connection sheet 22 24, pocket assembly 24 includes nail pushing device 242, a pair syringe needle 2411/2412 being movably connected on described nail pushing device 242, connects The connecting portion 2413 of the near-end of syringe needle 2411/2412 described in a pair；Described nail pushing device 242 when proximate moves, a pair Syringe needle 2411/2412 will be located in the tubular tissue in described receiving chamber 13 and pushes far-end to syringe needle described in a pair 2411/2412 Tubular tissue is closed into a pocket by far-end Guan Bi.
Described cutter mechanism has described blade and is positioned at the initial position of syringe needle 2411/2412 near-end, blade described in a pair It is positioned at the firing position of syringe needle 2411/2412 far-end described in a pair.When described cutter mechanism is positioned at initial position, described pocket group Part 24 and the described cutter mechanism near-end in described receiving chamber 13；When described cutter mechanism is positioned at firing position, described pocket Assembly 24 and the described cutter mechanism far-end in described receiving chamber 13；Described cutter mechanism is moved to firing position by initial position During, described pocket assembly 24 and described cutter mechanism move distally to described pocket assembly 24 by tubular tissue simultaneously After being closed into pocket, described cutter mechanism continues to move to cut off tissue to far-end relative to described pocket.
In the present embodiment, described in a pair, syringe needle 2411/2412 and described connecting portion 2413 form U-shaped thimble 241.Described top Pin 241 specifically includes the second syringe needle 2412 that the first syringe needle 2411 be arranged in parallel with described first syringe needle 2411, is connected described One syringe needle 2411 and the connecting portion 2413 of described second syringe needle 2412.So-called it be arranged in parallel, be expressed as described first syringe needle 2411 is almost parallel with the bearing of trend of described second syringe needle 2412, not putting down between proper two straight lines of feature OK.
In the present embodiment, described first syringe needle 2411 and described second syringe needle 2412 are in the width side of described first holder 11 To slightly misplacing, thus described first syringe needle 2411 from described second syringe needle 2412 in different plane inner bending molding, thus Form stable pocket, it is simple to the use of follow-up circular-pipe anastomat.
Described nail pushing device 242 includes the ejector pin bar 2421 along proximate extension, is positioned at described ejector pin bar 2421 far-end U-shaped thimble sleeve 2422, described thimble sleeve 2422 has the hollow bulb 2423 opened to far-end, in order to house described nail Near the part knot of described connecting portion 2413 on the connecting portion 2413 of pin, described first syringe needle 2411 and described second syringe needle 2412 Structure；Described thimble 241 detachably assembles with described thimble sleeve 2422.
Described nail pushing device 242 promote described thimble 241 when proximate moves, described first syringe needle 2411, described Second syringe needle 2412 is respectively at the needle tray 182 of projection 18 of described first holder 11, the pin of the projection 18 of described second holder 12 Move and thrust human body tubular tissue in groove 182, gradually human body tubular tissue is pushed to far-end simultaneously and draws in, to described first pin 2411 deviate from the far-end of described connecting portion 2413, described second syringe needle 2412 deviates from the far-end Guan Bi of described connecting portion 2413 will The tubular tissue being placed in described receiving chamber 13 is closed into the boundling pocket that a center is drawn in.In the present embodiment, described The far-end of one syringe needle 2411, the far-end of described second syringe needle 2412 follow closely forming tank, described second nail molding described first respectively Bending in groove, closes human body tubular tissue in a pocket.
Further, described nail pushing device 242 is removably connected by fixture 25 with the described sheet 22 that is connected.Push away when described Nail device 242 be connected after sheet fixes, described thimble sleeve 2422 be proximally located at described connection sheet 22 be distally-oriented to far-end Side；After described pocket assembly 24 departs from described cutter mechanism, described nail pushing device 242 stops moving to far-end, described Cutter mechanism can continue to move to far-end, to cut tissue.Described ejector pin bar 2421 has proximally-located pin-and-hole 2424, can fill It is assigned in the pin 2425 in described pin-and-hole 2424, caves inward towards the side of far-end the fixed part formed in described pin-and-hole 2424 2426, described pin-and-hole 2424 and described fixed part 2426 interval are arranged.
In described first holder 11 and described second holder 12 all include the embodiment of a grip block 15, described tissue Closing device 100 includes the described pocket assembly 24 being positioned at described conduit 111 side.Correspondingly, the near-end of described connection sheet 22 Have protrude out towards side stator 221, be positioned at the described stator 221 side towards far-end and run through described connection sheet 22 To house the fixing hole 222 of described fixture 25；It is respectively equipped with along near-end to far on described fixture 25, described stator 221 Extreme direction runs through first perforation the 251, second perforation 2211 passed for described ejector pin bar 2421.
Described ejector pin bar 2421 with described be connected sheet 22 assembling after, described fixture 25 is fixed on described fixed part 2426, Described pin 2425 is positioned at described pin-and-hole 2424, described connection sheet 22 be located in described pin-and-hole 2424 and described fixture 25 it Between.
Further, described ejector pin bar 2421 also has the raised line 2427 protruded out towards described first holder 11, described convex Bar 2427 extends from proximate, and the cross section of described ejector pin bar 2421 is class convex.The diameter of described fixed part 2426 is little In the diameter of described ejector pin bar 2421, and the diameter of described fixed part 2426 is less than or equal to the diameter of described raised line 2427.Institute State the first perforation 251 identical with the cross section of described ejector pin bar 2421, including the macropore 2511 matched with described ejector pin bar 2421, The aperture 2512 matched with described raised line 2427；Described ejector pin bar 2421 and described raised line 2427 can be bored a hole described first 251 move in described second hole, but the shape of described second perforation 2211 does not do specific requirement, and its cross section can be circular.This Skilled person is it is understood that described fixed part 2426 can be contained in described aperture 2512, and described fixture 25 Can drivingly be moved towards described first close out sheet 21a or the second close out sheet 21b in described fixing hole 222.
Described pocket assembly 24 with described be connected sheet 22 assemble time, first described fixture 25 is inserted described fixing hole 222 In, the near-end of described ejector pin bar 2421 proximally sequentially passes through first perforation the 251, second perforation 2211 from far-end, by described pin In the nail 2425 described pin-and-hole 2424 of insertion；Described fixture 25 is fixed on described fixed part 2426, and described stator 221 is positioned at institute State between fixture 25 and described pin 2425.Now, described fixed part 2426 is positioned at described aperture 2512, described fixture 25 support with described raised line 2427 phase, thus described fixture 25 cannot move to far-end relative to described ejector pin bar 2421.Described Cutter mechanism is when far-end moves, and described stator 221 acts on described fixture 25, described fixture 25 promotes described raised line 2427 thus drive described pocket assembly 24 to move from proximate, to form pocket；Described cutter mechanism from far-end to closely When end is return, described stator 221 acts on described pin 2425, and described pocket assembly 24 can be made to return simultaneously.
Described fixture 25 also has corresponding with described fixing hole 222 and at described second close out sheet 21b bullet Gonosome 252, described elastomer 252 protrudes out towards described second close out sheet 21b, is positioned at described fixing hole at described fixture 25 Time, described elastomer 252 is the side of close described second close out sheet in being held in described fixing hole 222.It addition, described fixture 25 also have that be oppositely arranged and near described first close out sheet 21a groove 253, described groove 253 with described elastomer 252 Depression direction and described elastomer 252 to protrude out direction consistent, facilitate the dress of described fixture 25 and described fixing hole 222 Join.
Specifically, described needle propeller 242 under the driving of described cutter mechanism from proximate, at described elastomer Under the effect of 252, proximally-located and/or far-end the side of described fixture 25 is held in the step at described fixed part 2426 two ends Face, now, described pocket assembly 24 distal movement together with described cutter mechanism；Correspondingly, the folder of described second holder 12 Hold the position of close far-end on plate 15 and be provided with the boss 154 that described first holder 11 protrudes out.When described cutter mechanism pushes away Dynamic described pocket assembly 24 moves to far-end, when described fixture 25 arrives described boss 154 position, at described boss Under the effect of 154, the effect of described elastomer 252, described boss 154 is overcome to support described fixture 25 so that described fixing Part 25 moves towards described first holder 11 direction in described fixing hole 222, and described fixed part 2426 departs from described aperture 2512 enter in described macropore 2511；Namely described macropore 2511 the most described raised line 2427 corresponding with described ejector pin bar 2421 Corresponding with described aperture 2512, meanwhile, described shell fragment 161 drives described pushing block 19 to move towards the direction deviating from described pod 14 And by jack-up, the most described pushing block 19 may be located at described first push rod 23b, described second push rod 23a and is connected sheet 22 institute with described In the space surrounded, such that it is able to concede passage 16, thus described fixture 25 can push away along described with described stator 221 Nail rod 2421 continues to move to far-end, so that described cutter mechanism continues to move to far-end, now, described pocket assembly 24 disengages Described fixture 25, the most described pocket assembly 24 stops and described fixture 25 is continued to move to far-end.Additionally, working as Stating while fixture 25 arrives described boss 154 position, described shell fragment 161 drives described pushing block 19 towards deviating from described folder The direction of shell 14 is moved and by jack-up, head part of apparatus length so can be avoided long and be not easily accessible position lower at the bottom of human body basin Put.
The position that arranges of described boss 154 is, when described fixture 25 is supported with described boss 154, and described pocket group The thimble 241 of part 24 makes human body tubular tissue form closedown just under the first effect following closely forming tank, the second nail forming tank Pocket.
In described first holder 11 and described second holder 12 all include the embodiment of two grip blocks 15, described tissue Closing device 100 include being divided into two groups of described conduit 111 both sides described in pocket assembly 24, each described pocket assembly 24 is right Answer the grip block 15 in first holder 11 and the grip block 15 in second holder 12.
Unlike the embodiment all including a grip block 15 from described first holder 11 and described second holder 12, institute State connect sheet 22 near-end have protrude out towards both sides stator 221, be positioned at the described stator 221 side towards far-end and Run through described connection sheet 22 to house the fixing hole 222 of described fixture 25；Divide on described fixture 25, described stator 221 It is not provided with and runs through two first perforation 251, two second passed for described ejector pin bar 2421 along proximate direction and wear Hole 2211；And the both sides that two described first perforation 251 are divided into described connection sheet 22, two described second perforation 2211 also divide It is located at the both sides of described connection sheet 22.Each pocket assembly 24 is positioned at fixture 25 and the stator of described connection sheet 22 side 221 connect, and its connected mode is same as the previously described embodiments, repeats no more in this.
In another not shown embodiment, described connecting portion 2413 can also be purse wire, described first holder 11 and/ Or the far-end of described second holder 12 has the Guan Bi connector (not shown) coordinated with syringe needle described in a pair 2411/2412, institute State and have on Guan Bi connector for housing the accepting hole of syringe needle 2411/2412 far-end described in a pair.Described syringe needle 2411/2412 After being connected with described Guan Bi connector, described Guan Bi connector in the axial direction of described pocket assembly 24 to described syringe needle 2411/ 2412 carry out spacing, follow-up can manually strain described purse wire formed center draw in boundling pocket.Other structures and making The most same as the previously described embodiments by mode, repeat no more in this.
The described tissue closing device 100 of the present invention uses the process to be: by described tissue closing device 100 and described apparatus Body, percussion lock assembling.Before not firing, described cutter mechanism is positioned at initial position, namely described cutter mechanism is positioned at described The side that first holder 11 is proximally facing, the most described first holder 11 and described second holder 12 can be opened.
Described first holder 11 separates with the far-end of described second holder 12 and opens described receiving chamber 13, and described projection is in institute State and be hidden in described passage under the pressure of elastic backing mechanism 3, part human body tubular tissue is inserted in described receiving chamber 13, Described cutter mechanism can be promoted to move from proximate by apparatus or the less power of manual use, described first close out sheet 21a, described second close out sheet 21b are respectively acting on first holder the 11, second holder 12 can close described receiving chamber 13, should Part human body tubular tissue is held in described receiving chamber 13.
Described cutter mechanism is driven to move from proximate further, described first push rod 23a, described second push rod 23b promotes the pushing block 19 in the passage 16 of the pushing block 19 in the passage 16 of described first holder 11, described second holder 12 respectively Moving from proximate, described pushing block 19 gradually drives from proximate described projection 18 to deviate from described pod 14 and moves, Described projection 18 acts on described elastic threads and is at the second state, and the most described projection 18 acts on human body tubular tissue and makes It is undaform.Meanwhile, described first syringe needle 2411, described second syringe needle 2412 convex at described first holder 11 respectively The needle tray 182 of block 18, described second holder 12 projection 18 needle tray 182 in move to thrust human body tubular tissue by phased manner And penetrate the mucous layer of human body tubular tissue；When described pushing block 19 continues to move to far-end, formed corrugated described before Projection 18, owing to losing the support of described pushing block 19, and adds described in returning back to again under the pressure of described elastic backing mechanism 3 Hold in the passage 16 that plate 15 and described first holder 11, described second holder 12 are formed, and do not hinder described cutter mechanism to continue Continue distal movement, and nail pushing device 242 promotes tissue to move to far-end, until human body tubular tissue is tightened, form collection The pocket of bundle.
Treat that thimble 241 deviates from described connecting portion through the human body tubular tissue accommodated in chamber 13 to described first syringe needle 2411 One end that one end of 2413, described second syringe needle 2412 deviate from described connecting portion 2413 arrive separately at described first nail forming tank, Second nail forming tank；Described shell fragment 161 promotes described pushing block 19 to move towards the direction deviating from described pod 14 and pushes away to described first Bar 23a and described second push rod 23b steps down, and described cutter mechanism continues to move distally to described first syringe needle 2411, described Second syringe needle 2412 bends respectively in described first follows closely forming tank, described second nail forming tank, is closed by human body tubular tissue In a pocket.
After pocket completes, described boss 154 acts on described fixture 25 makes it move towards described first holder 11 direction Dynamic, so that described nail pushing device 242 and described connection sheet 22 depart from, described cutter mechanism continues to move to far-end, described cutter Described tubular tissue is cut off between two pockets by sword.
Finally, returning described cutter mechanism, described connection sheet 22 acts on described pin 2425 so that described thimble 241 Departing from thimble sleeve 2422, cutter mechanism described in described nail pushing device 242 is retracted into initial position.
In sum, the tissue closing device 100 of the present invention promotes projection 18 to carry on the back by pushing block 19, elastic backing mechanism 3 From, move towards pod 14, allow clamping human body tubular tissue waviness so that thimble 241 can discontinuity penetrate human body pipe Shape tissue, the pocket of formation can penetrate the mucous layer of human body tubular tissue, and the pocket of formation is difficult to slip.It addition, the present invention is led to Cross cutter mechanism can comprehensively realize closing described first holder 11 and described second holder 12, promoting described pushing block 19 described Move from proximate in passage 16, prick pocket, simultaneously cutting human body tubular tissue to human body tubular tissue, simple to operate, Easy to use, decrease operation cost.
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 (13)

1. a tissue closing device, it is characterised in that: described tissue closing device includes:
Relatively the first holder of opened/closed, the second holder, described first holder and described second holder can form appearance after closing Receive chamber；Described first holder and described second holder all include pod, the grip block being fixed in described pod, are positioned at described folder The passage extended between shell and described grip block and from proximate；Have on described grip block and set from proximate interval Put and connect some openings in described passage and described receiving chamber, be positioned at each described opening and can be on described opening edge Being perpendicular to the direction projection closer or far from described pod of described grip block, described projection is provided with and runs through from proximate Described projection and the needle tray connected with described receiving chamber；The projection on grip block on described first holder and described second holder Shift to install from proximate；
Can by drivingly in each described passage from proximate move gradually to drive on described grip block some Described projection is towards deviating from the pushing block that the direction of described pod is moved, and described pushing block, after far-end moves, is positioned at described pushing block near-end Projection depart from described pushing block；
Elastic backing mechanism, along being perpendicular to described grip block direction, the two ends of described elastic backing mechanism are respectively provided with ordinatedly On described projection, described grip block；Described pushing block drives described elastic backing mechanism to move towards the direction deviating from described pod Time, described elastic backing mechanism generation elastic deformation, when described projection departs from described pushing block, described elastic backing mechanism acts on Described projection makes described projection be positioned at described passage；
The pocket assembly that can be drivingly moved from proximate, including nail pushing device, is movably connected on described nail pushing device A pair syringe needle, connect the connecting portion of the near-end of syringe needle described in a pair；Described nail pushing device when proximate moves, a pair pin Head respectively described first holder, described second holder grip block on projection needle tray in move and thrust tubular tissue, Tubular tissue is gradually pushed to far-end simultaneously collapse to the far-end Guan Bi of syringe needle described in a pair tubular tissue is closed into a lotus Bag.
Tissue closing device the most according to claim 1, it is characterised in that: described projection includes relative and spaced First wall and the second wall, connect described first wall and the connection wall of described second wall, described first wall, the second wall and described connection Wall encloses to set to be formed and faces away from the needle tray that the side of described connection wall opens, and the side that described first wall deviates from described pod is provided with The wire casing extended from proximate, described elastic backing mechanism is elastica, and described folder is fixed in one end of described elastica Holding the near-end of plate, the other end is solid after extending from proximate in described passage and sequentially passing through the wire casing of each described projection Far-end due to described grip block.
Tissue closing device the most according to claim 1, it is characterised in that: described projection includes relative and spaced First wall and the second wall, connect described first wall and the connection wall of described second wall, described first wall, the second wall and described connection Wall encloses to set to be formed and faces away from the needle tray that the side of described connection wall opens, and the side that described first wall deviates from described pod is provided with The wire casing extended from proximate, described elastic backing mechanism includes some elastic with what each described projection coordinated respectively Line, the two ends of each described elastic line are individually fixed on the described grip block being positioned at the near-end of this projection, far-end, described son The mid portion of elastica is positioned at described wire casing.
Tissue closing device the most according to claim 1, it is characterised in that: in described opening and described projection Being provided with at least one orientation post, another is provided with the guide slot matched with described orientation post；Described orientation post is fixed with described Match to guide described projection close to groove or deviate from described pod to move.
Tissue closing device the most according to claim 4, it is characterised in that: described projection includes relative and spaced First wall and the second wall, connect described first wall and the connection wall of described second wall, described first wall, the second wall and described connection Wall encloses to set to be formed and faces away from the needle tray that the side of described connection wall is open, described first wall deviate from described needle tray outside wall surface and Described second wall deviates from and is equipped with at least one guide slot in the outside wall surface of described needle tray, and described opening has and described guide slot The orientation post matched；Described orientation post matches to guide described projection close or deviates from described pod to move with described guide slot Dynamic.
Tissue closing device the most according to claim 1, it is characterised in that: described projection includes relative and spaced First wall and the second wall, connect described first wall and the connection wall of described second wall, described first wall, the second wall and described connection Wall encloses to set to be formed and faces away from the needle tray that the side of described connection wall opens, and described connection wall is provided with at least one from described company Connect the banking stop of the side outward of wall, deviate from described banking stop when described pod moves at described projection and ride over described opening Edge play restriction its effect continued to move to.
Tissue closing device the most according to claim 1, it is characterised in that: each described projection is towards the one of described pod Side has proximally-located inclined plane, is positioned at the plane of described inclined plane far-end；Described pushing block has and is positioned at far-end and with described Inclined plane part that inclined plane coordinates, it is positioned at the planar portions of described inclined plane part near-end.
Tissue closing device the most according to claim 7, it is characterised in that: described planar portions is along proximate direction Width more than described projection width along proximate direction.
Tissue closing device the most according to claim 1, it is characterised in that: syringe needle described in a pair forms with described connecting portion U-shaped thimble, the far-end of the grip block of described first holder is provided with the first binding block that described second holder protrudes out, and described One binding block is provided with the first nail forming tank corresponding with the needle tray of the projection on this grip block；The clamping of described second holder The far-end of plate is provided with the second binding block that the first holder protrudes out, and it is convex that described second binding block is provided with on this grip block Second that the needle tray of block is corresponding follows closely forming tank.
Tissue closing device the most according to claim 1, it is characterised in that: described connecting portion is purse wire, described first The far-end of holder and/or described second holder has the Guan Bi connector coordinated with syringe needle described in a pair, described Guan Bi connector On there is the accepting hole for housing needle distal end described in a pair.
11. according to the tissue closing device described in any one in claim 1 ~ 10, it is characterised in that: described first holder Have in pod along spaced two the described grip blocks of its width, have along it wide in the pod of described second holder Spaced two the described grip blocks in degree direction；Described tissue closing device also includes can be by drivingly at each described folder Move to drive the described projection on grip block described towards deviating from from proximate in holding the passage between plate and described pod The pushing block that the direction of pod is moved.
12. according to the tissue closing device described in any one in claim 1 ~ 10, it is characterised in that: described first holder Have in pod along spaced two the described grip blocks of its width, have along it wide in the pod of described second holder Spaced two the described grip blocks in degree direction；Described tissue closing device also includes can be by drivingly at each described folder Move to simultaneously drive two from proximate in passage between shell and two described grip blocks in pod this described Described projection on individual described grip block is towards deviating from the pushing block that the direction of described pod is moved.
13. 1 kinds of medical apparatus and instruments, including instrument body, be removably attachable to described instrument body far-end tissue closure dress Put, be connected in described instrument body fire the percussion lock of described tissue closing device, it is characterised in that: described tissue closes Attach together the tissue closing device being set in claim 1 ~ 12 described in any one.
CN201610776877.9A 2016-08-08 2016-08-31 tissue closing device and medical instrument Active CN106108968B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CN201610776877.9A CN106108968B (en) 2016-08-31 2016-08-31 tissue closing device and medical instrument
EP16912587.9A EP3498177B1 (en) 2016-08-08 2016-12-30 Tissue closing device and medical instrument
RU2019103020A RU2717204C1 (en) 2016-08-08 2016-12-30 Device for tissue closure and medical instrument
ES16912587T ES2961737T3 (en) 2016-08-08 2016-12-30 Tissue closure device and medical instrument
BR112019002566-9A BR112019002566B1 (en) 2016-08-08 2016-12-30 TISSUE CLOSING DEVICE AND MEDICAL INSTRUMENT
HUE16912587A HUE063390T2 (en) 2016-08-08 2016-12-30 Tissue closing device and medical instrument
JP2019501650A JP6630868B2 (en) 2016-08-08 2016-12-30 Tissue closure devices and medical instruments
US16/311,150 US11123072B2 (en) 2016-08-08 2016-12-30 Tissue closure device and medical instrument
PL16912587.9T PL3498177T3 (en) 2016-08-08 2016-12-30 Tissue closing device and medical instrument
PCT/CN2016/113460 WO2018028134A1 (en) 2016-08-08 2016-12-30 Tissue closing device and medical instrument
PT169125879T PT3498177T (en) 2016-08-08 2016-12-30 Tissue closing device and medical instrument

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US8960521B2 (en) * 2011-07-15 2015-02-24 Covidien Lp Loose staples removal system
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WO2018028134A1 (en) * 2016-08-08 2018-02-15 苏州天臣国际医疗科技有限公司 Tissue closing device and medical instrument
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