CN105997174A - Tissue closing device - Google Patents
Tissue closing device Download PDFInfo
- Publication number
- CN105997174A CN105997174A CN201610642770.5A CN201610642770A CN105997174A CN 105997174 A CN105997174 A CN 105997174A CN 201610642770 A CN201610642770 A CN 201610642770A CN 105997174 A CN105997174 A CN 105997174A
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- CN
- China
- Prior art keywords
- tissue
- holder
- closing device
- ear
- bindiny mechanism
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B17/07207—Surgical 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
-
- 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
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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
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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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
- A61B2017/1142—Purse-string sutures
Abstract
The invention provides a tissue closing device. The tissue closing device comprises an equipment body, a tissue closing unit, a transfer piece and a driving element, wherein the equipment body is provided with a main body and a first connecting mechanism arranged at the far end of the main body; the tissue closing unit is provided with a second connecting mechanism arranged at a near end; the transfer piece is connected with a position between the equipment body and the tissue closing unit, and is provided with a transfer body, a pair of first lug parts extending towards the equipment body from the two sides of the transfer body, and a pair of second lung parts extending to the tissue closing unit from the two sides of the transfer body; the first lug parts and the first connecting mechanism and the second lug parts and the second connecting mechanism are in rotary matching through pivots; the first lug parts and the second lug parts are axially aligned with each other along the transfer piece; the driving element penetrates through the equipment body and the transfer piece and is fixed to the tissue closing unit; the fixed position of the driving element on the tissue closing unit is positioned between the second lug parts and is deviated from the axis of the tissue closing unit.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of tissue closing device.
Background technology
In existing gastral anastomosis operation, the most first use linear anastomat human body tubular tissue is carried out multi-angle detachment coincide, re-use circular-pipe anastomat the tissue after detachment is carried out docking coincide.But, existing linear anastomat is only applicable to operation shallower at the bottom of distance basin, or apparatus stretches into direction and can reach lucky operable state with digestive tract.Owing to human body digested road tissue spirals extension so that existing linear anastomat is difficult to fast and effeciently operate for parts of lesions position, thus adds the misery of patient.
Summary of the invention
It is an object of the invention to provide and a kind of be capable of corner and go deep into the tissue closing device at deep place at the bottom of basin.
For achieving the above object, the invention provides a kind of tissue closing device, comprising:
Instrument body, has main body and is arranged at the first bindiny mechanism of body distal end；
Tissue closure unit, has the second bindiny mechanism being arranged at near-end；
Adaptor, it is connected between instrument body and tissue closure unit, and there is switching main body, from the main body both sides a pair first ears towards the projection of instrument body direction that transfer, from the switching main body both sides a pair second ears towards tissue closure unit projection, all using to pivot between described first ear with the first bindiny mechanism, the second ear and the second bindiny mechanism and coordinate, described first ear and the second ear axially align along adaptor；
Drive element, be fixed on described tissue closure unit through described instrument body and adaptor, described driving element fixed position on described tissue closure unit between described second ear and deviate tissue closed cell axle center setting.
As a further improvement on the present invention, described driving element is stay cord, and the described switching main body position corresponding with aforementioned fixed position is provided with stay cord hole.
As a further improvement on the present invention, described driving element is radially symmetrically arranged with a pair, so that tissue closure unit is compared instrument body under the driving respectively of a pair driving element and can be rotated towards two rightabouts.
As a further improvement on the present invention, described first bindiny mechanism and the second bindiny mechanism are respectively provided on two sides with one in order to limit the first ear or the bit-stopping structure of second ear's anglec of rotation at described pivot.
As a further improvement on the present invention, the angle between the bit-stopping structure of described pivot both sides is 90 degree.
As a further improvement on the present invention, it is respectively equipped with in described first bindiny mechanism and the second bindiny mechanism to accommodate described first ear or the depressed part of the second ear, described pivotally connected position is positioned at described depressed part middle position, and the described depressed area internal face in pivot both sides is formed as described bit-stopping structure.
As a further improvement on the present invention, the most curved setting of end of described first ear and the second ear, the most curved setting of described depressed part internal face between bit-stopping structure.
As a further improvement on the present invention, described first bindiny mechanism and the second bindiny mechanism are a pair lug towards the projection of adaptor direction, are formed at the bit space that allows when driving tissue closure finite element rotation stepped down switching main body between described lug.
As a further improvement on the present invention, described tissue closure unit includes:
The first holder can relatively opened and close and the second holder, when the first holder and the second holder close, be formed with to house the cavity of tubular tissue between described first holder and the second holder；
Coordinate the pocket assembly that described first holder and the second holder are arranged, so that described tubular tissue is bundled into pocket shape；
Cutting knife, is fixed in instrument body and may pass through the first holder and protrude into described cavity；
Cutting knife firing lock, in being arranged at instrument body and matches with described cutting knife, and at pocket assembly, the tubular tissue in cavity is bundled into pocket shape rear drive cutting knife and is separated by pocket shape tubular tissue；
Wherein, described switching main body is provided with the cutter groove passed for described cutting knife, and described guide groove extends between a pair first ears.
As a further improvement on the present invention, described cutting knife has the cutter head towards the projection of cavity direction and is connected to the knife bar of cutter head far-end, and knife bar and cutter head the most in the form of sheets and are molded as one；Described cutting knife is one chip or multiple-piece setting, and when arranging in multiple-piece, described cutting knife includes mutually corresponding along its thickness direction and is stacked and placed on knife bar and cutter head described at least two groups arranged together, jointly to cut off tubular tissue.
As a further improvement on the present invention, described cutting knife has the cutter head towards the projection of cavity direction and is connected to the knife bar of cutter head far-end, described knife bar and cutter head are fixed with each other after separating molding, wherein, described knife bar uses the material with certain pliability and rigidity to make, and described cutter head uses the material with certain rigidity to make.
As a further improvement on the present invention, the external diameter of described adaptor is identical with the external diameter of described first bindiny mechanism and the second bindiny mechanism position, and described tissue closing device also has the sleeve being arranged on outside described adaptor.
The invention has the beneficial effects as follows: be rotatably connected apparatus body and tissue closure unit by adaptor, make to carry out steering operation by driving element pair groups to knit closed cell, and deeper position at the bottom of the tissue closing device of the present invention deep enough basin of energy is operated, simultaneously, simple to operate, easy to use, decrease operation cost.
Accompanying drawing explanation
Fig. 1 is the elevation view of tissue closing device in an embodiment of the present invention.
Fig. 2 is the decomposed figure of the tissue closing device shown in Fig. 1.
Fig. 3 is the axonometric chart of the instrument body of tissue closing device shown in Fig. 1.
Fig. 4 is the axonometric chart of the adaptor of tissue closing device shown in figure Fig. 1.
Fig. 5 is the axonometric chart of the tissue closure unit of tissue closing device shown in Fig. 1.
Fig. 6 is the axonometric chart of another angle of tissue closure unit in Fig. 5.
Fig. 7 is the three-dimensional exploded view of tissue closure unit in Fig. 5.
Fig. 8 is the view of another angle of Fig. 7.
Fig. 9 is the axonometric chart of bundling buckle in tissue closure unit shown in Fig. 5.
Figure 10 is the side view in an initial condition of tissue closure unit shown in Fig. 5.
Figure 11 is the side view when the mutual clasp of bundling buckle of tissue closure unit shown in Fig. 5.
Figure 12 is the band in another better embodiment of the present invention and the axonometric chart of bundling buckle.
Figure 13 is the axonometric chart of bundling buckle in Figure 12.
Figure 14 is the partial perspective cross-sectional figure of another better embodiment of tissue closing device of the present invention.
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 not limiting as the present invention, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are 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, being near-end near one end of operator, the one end away from operator is far-end.
As shown in Fig. 1 to Figure 14, the invention discloses the embodiment of a kind of medical apparatus and instruments, described medical apparatus and instruments can be used in gastral anastomosis operation, being specially a tissue closing device, it includes tissue closure unit 1, instrument body 2, the adaptor 3 that is connected between tissue closure unit 1 and instrument body 2.Described tissue closure unit 1 is arranged at far-end, and described instrument body 2 is arranged at near-end, and described adaptor 3 is connected between tissue closure unit 1 and instrument body 2.
Shown in Fig. 2, Fig. 5 to Figure 11, described tissue closure unit 1 includes the first holder 11 can relatively opened and close and the second holder 12, coordinates described first holder 11 and the pocket assembly 13 of the second holder 12 setting.
Described first holder 11 be provided with the first base portion 111 of described second holder 12 rotatable engagement, from the first base portion 111 towards the lug 112 of adaptor 3 projection, from the first base portion 111 towards the first clamping part 113 of remote extension.
Described second holder 12 be provided with match with described first base portion 111 the second base portion 121, from the second base portion 121 towards the second clamping part 122 of remote extension.When the first holder 11 and the second holder 12 close, between described first clamping part 113 and the second clamping part 122, it is formed with to house the cavity 110 of tubular tissue.
Refer to shown in Fig. 7 to Figure 11, described first base portion 111 is formed with a U-type groove, connects the side of the first clamping part 113 and be formed as the supporting part 1111 of described second base portion 121 of a support near the side of lug 112, be provided with between described U-type groove and supporting part 1,111 one towards the second holder 12 direction the open resettlement section 1112 arranged.Described U-type groove includes the first groove 1113 and the first groove 1113 interval setting and the second groove 1114 of close lug 112 towards the second base portion 121 opening setting, is connected the first groove 1113 and connectivity slot 1115 of the second groove 1114.It is formed with stopper 1116 between described first groove 1113 and the second groove 1114.
Described second base portion 121 is provided with rotating shaft 1211, connects the side of the second clamping part 122 and be formed as being connected with pars intermedia 1213 between abutting part 1212, rotating shaft 1211 and the abutting part 1212 abutted with described supporting part 1111 when Guan Bi near one end of adaptor 3.
During installation, described rotating shaft 1211 is stretched into through the first groove 1113 and connectivity slot 1115 certainly and positions to the second groove 1114.Described pars intermedia 1213 houses to described resettlement section 1112, and between described pars intermedia 1213 and resettlement section 1112 diapire, it is provided with a flexible member 14, in order to offset with pars intermedia 1213 internal face when the second holder 12 is opened, and then keep the open mode of the second holder 12.
The position of described lug the 112, first base portion 111 adjacent lobes 112, the second base portion 121 entire outer diameter after Guan Bi of the position of pars intermedia 1213 adjacent shafts 1211 less than the first base portion 111 and external diameter of second other parts of base portion 121.Described tissue closure unit 1 also includes the first base portion 111 and the driving ring 15 of the second base portion 121 periphery being sheathed on external diameter smaller portions.It is provided with in described instrument body 2 and can drive the push-and-pull element (not shown) driving ring 15 to move axially along tissue closure unit 1.Described push-and-pull element drive drive ring 15 proximally facing mobile time, the second base portion 121 can be made to depart from the constraint driving ring 15, and make the second holder 12 outwardly open by flexible member 14 jack-up；And when promoting driving ring 15 to move towards far-end, the second holder 12 is gradually regained by described driving ring 15 so that the second holder 12 moves towards the first holder 11 and is mutually closed.
Described first clamping part 113 has the sliding part being connected with the first base portion 111 and the block 114 being fixed on sliding part far-end.The sliding part of corresponding first base portion 111 of described second clamping part 122 is also equipped with sliding part.
In the present embodiment, the sliding part of described first clamping part 113 and the second clamping part 122 is respectively equipped with the first the most spaced slide bar 115 and the second slide bar 116, the 3rd slide bar 117 between the first slide bar 115 and the second slide bar 116.
Described first slide bar 115 and the second slide bar 116 are arranged with a strap slot 1151 respectively towards the side of cavity 110, and the position that described first base portion 111 is corresponding with strap slot 1151 is provided with to position the location division 1117 of pocket assembly 13.On described second clamping part 122, described first slide bar 115 and the second slide bar 116 are additionally provided with the locating convex block 1221 of projection in strap slot 1151 in the far-end of strap slot 1151.On described first clamping part 113, on described block 114, corresponding described strap slot 1151 is provided with perforate 1141.
Deviate from the outside of cavity 110 at described 3rd slide bar 117, described first base portion 111 and block 114 are correspondingly arranged on a mating holes 118 vertically.It addition, described first base portion 111 and the second base portion 121 between the first slide bar 115 and the second slide bar 116 also axially through being provided with a tool slot 119, described tool slot 119 extends to the first clamping part 113 near-end, and is connected with cavity 110.
In conjunction with shown in Fig. 5 to Fig. 8, described pocket assembly 13 include along described first holder 11 band 131 extended towards the side of cavity 110 with the second holder 12, the bundling buckle 132 being arranged on band 131 slidably, for the first drive mechanism 133 making bundling buckle 132 move relative to band 131.Actually can be considered be formed between described band 131 and bundling buckle 132 in order to house the described cavity 110 of tubular tissue.
In the present embodiment, specifically, corresponding respectively to the first slide bar 115 and the second slide bar 116, described band 131 includes the most side by side and spaced first band 1311 and the second band 1312.
Each band 131 all bends in a U-shaped shape, and there is the first free end 1313 being fixed on the first holder 11 far-end, the second free end 1314 being fixed on the second holder 12 far-end, the connecting portion 1315 being fixed on the first holder 11 near-end, the main part 1316 being connected between first free end the 1313, second free end 1314 and connecting portion 1315.Described bundling buckle 132 can move towards connecting portion 1315 direction along main part 1316 from far-end, to be gradually reduced described cavity 110 and to tighten up described tubular tissue.
Described connecting portion 1315 is fixed to the location division 1117 of described first base portion 111 by the T-shaped location structure 13151 being connected to outside it.
Described main part 1316 is embedded in described strap slot 1151, and is being provided with towards the side of cavity 110 in order to first ratchet 13160 that coordinate slide single-phase with bundling buckle 132.
It addition, each described band 131 also has from described connecting portion 1315 and/or main part 1316 adjacent to the position of connecting portion 1315 towards the Spina jujubae 1317 of projection in cavity 110.Described Spina jujubae 1317 is in order to insert fixing tubular tissue.
As shown in Figure 7 and Figure 8, in present embodiment, described Spina jujubae 1317 from near-end distally projection, and is equipped with a described Spina jujubae 1317 from connecting portion 1315 middle position inside connecting portion 1315 on each band 131；Certainly, another better embodiment as the present invention, described Spina jujubae 1317 also can have at least one pair of towards projection in cavity 110 inside described connecting portion 1315, at least one pair of described Spina jujubae 1317 inside described connecting portion 1315 spaced and with connecting portion 1315 centrosymmetry arrange；Further, in that case, described connecting portion 1315 center position can not project described Spina jujubae 1317, thus can facilitate the insertion of an anastomat ailhead (not shown).
As shown in figure 12, in the another better embodiment of the present invention, described Spina jujubae 1317 is arranged on described main part 1316, and all in cavity 110, it is equipped with Spina jujubae 1317 on the main part 1316 being connected with described connecting portion 1315 both sides, so that the tubular tissue of adjacent two main parts 1316 all can be positioned.In this embodiment, the Spina jujubae 1317 on the main part 1316 of described connecting portion 1315 both sides extends towards, and is formed with gap between the described Spina jujubae 1317 on two main parts 1316, to facilitate tubular tissue to continue towards near-end gathering.Certainly, described Spina jujubae 1317 also can extend obliquely out, and carries out positioning as long as tubular tissue can be thrust.
Referring to shown in Fig. 7 to Figure 11, described bundling buckle 132 includes being arranged in slidably the first bundling buckle 1321 and the second bundling buckle 1322 on two sections of main parts 1316 of each band 131.Described first bundling buckle 1321 neighbouring first free end 1313 under original state is arranged；Described second bundling buckle 1322 neighbouring second free end 1314 under original state is arranged.
With the first bundling buckle 1321 phase clasp after the second bundling buckle 1322 on each band 131 is oppositely arranged with the first bundling buckle 1321, and collecting tubular tissue (not shown), simultaneously the first holder 11 and the second holder 12 close in cavity 110.In present embodiment, described first drive mechanism 133, after the first bundling buckle 1321 and the second bundling buckle 1322 phase clasp, drives the first bundling buckle 1321 and the second bundling buckle 1322 along described band 131 from being distally-oriented to near-end synchronizing moving and then coordinating band 131 to draw tubular tissue in pocket shape in.
Please join shown in Fig. 7 to Figure 11, in present embodiment, each described bundling buckle 132 is respectively equipped with a sleeved part 1323 being arranged in slidably on the main part 1316 of band 131 and is connected with sleeved part 1323 and lays respectively at the pushed section 1324 of band 131 both sides and limiting unit 1325 and locating button 1326.
Wherein, the described sleeved part 1323 part between pushed section 1324 and limiting unit 1325 is provided with set apertured 13231, passes with for band 131, and makes bundling buckle 132 can slide along band 131；The local disengaging strap slot 1151 that the main part 1316 of described band 131 matches with sleeved part 1323, and stretch in cavity 110.
From sleeved part 1323, towards one end of strap slot 1151, proximally facing projection forms in described pushed section 1324, described pushed section 1324 is stretched in strap slot 1151, and at bundling buckle 132 towards during proximal slide, the main part 1316 of band 131 is shoveled out in strap slot 1151, to be moved easily.
Described limiting unit 1325 coordinates in order to unidirectional with the first ratchet 13160 on band 131, thus is provided with second ratchet 13251 that coordinate unidirectional with described first ratchet 13160, so that bundling buckle 132 is only capable of proximally facing moving along band 131.
Locating button 1326 on first bundling buckle 1321 is towards the protruded stigma of projection in cavity 110 from limiting unit 1325, and the end at protruded stigma is formed with the prominent bag in the bigger location of external diameter.Locating button 1326 on described second bundling buckle 1322 is the prominent ring of the end proximally projection stretching into cavity 110 from sleeved part 1323；Certainly, the locating button 1326 on described first bundling buckle 1321 and the second bundling buckle 1322 can mutually be replaced, and all can reach the effect the first bundling buckle 1321 and the second mutual clasp of bundling buckle 1322 positioned.
Another better embodiment as the present invention, referring to shown in Figure 12, Figure 13, described first bundling buckle 1321 and the second bundling buckle 1322 also can only be respectively provided with the locating button 1326 that the sleeved part 1323 being sheathed on slidably on described band 131 is connected with sleeved part 1323；It is provided with inside described sleeved part 1323 in order to second ratchet 13231 that coordinate unidirectional with the first ratchet 13160 on described band 131.Described locating button 1326 is to be arranged at the first bundling buckle 1321 and the hole, location of the second bundling buckle 1322 opposite side and protruded stigma, the most also the purpose of attainable cost invention.
Referring to shown in Fig. 1 to Figure 11, in the present embodiment, described first drive mechanism 133 includes the first slide block 134 and the second slide block 135, the drive mechanism 136 being slideably positioned in the most respectively on the first holder 11 and the second holder 12.Described drive mechanism 136 and the first slide block 134 incompatible drive bundling buckle 132 that matches moves along band 131；And band 131 described in two groups and bundling buckle 132 share described first slide block 134 and the second slide block 135.
Wherein, described first slide block 134 offsets towards the side of described first free end 1313 with described first bundling buckle 1321；Described second slide block 135 offsets towards the side of described second free end 1314 with described second bundling buckle 1322.The opposite side of described first slide block 134 and the second slide block 135 is provided with the locating convex block 1341 and locating slot 1351 being mutually located.
Described drive mechanism 136 matches with the first slide block 134 setting, and, when described tissue closure unit 1 is under original state, described first slide block 134 and the second slide block 135 lay respectively at the first holder 11 and far-end of the second holder 12, and described first bundling buckle 1321 and the second bundling buckle 1322 shift to install；Position corresponding with the locating button 1326 of the first bundling buckle 1321 on described second slide block 135 is provided with slot to make way 1352, the locating button 1326 of the most described first bundling buckle 1321 protrudes in slot to make way 1352, and the locating button 1326 of described second bundling buckle 1322 is positioned at the first bundling buckle 1321 proximal lateral.
After tubular tissue is housed in cavity 110 with the second relative opening of holder 12 by described first holder 11, described drive mechanism 136 drives described first slide block 134 and then promotes the first bundling buckle 1321 along the proximally facing movement of band 131 to primary importance, then the first holder 11 and the second holder 12 is made to close, in this position, described first bundling buckle 1321 and the second bundling buckle 1322 are cooperated location also by described locating convex block 1341 and locating slot 1351 by locating button 1326 phase clasp, the first slide block 134 and the second slide block 135；Finally continue to make drive mechanism 136 drive described first slide block 134 and then drive the second slide block 135 to move towards near-end simultaneously, make the first bundling buckle 1321 and the second bundling buckle 1322 along band 131 from far-end towards near-end synchronizing moving, and then make the proximally facing gathering of tubular tissue form pocket shape.
Further, the steady impetus proximally facing to the second slide block 135 and bundling buckle 132 for ensureing the first slide block 134, described first slide block 134 is distally-oriented to the second slide block 135 direction and is equipped with convex wall 1340, so that cooperate in addition to promotion except locating convex block 1341 and locating slot 1351, second slide block 135 also can be played a role in promoting by described convex wall 1340 further, ensure the second slide block about 135 the most uniformly, can steadily move.
Wherein, in the present embodiment, described drive mechanism 136 is along the axially arranged screw mandrel of described first holder 11, and described screw mandrel 136 two ends are respectively rotatably fixed in the first base portion 111 and the corresponding vertically mating holes 118 of block 114.Described screw mandrel 136 and the first slide block 134 rotatable engagement so that when rotary screw, the first slide block 134 can move axially along the first holder 11.Certainly, as another better embodiment of the present invention, described drive mechanism 136 alternatively is arranged in instrument body 2, adaptor 3 and is connected to the stay cord on the first slide block 134.
Further, in the present embodiment, the driving source 137 of described drive mechanism 136 is connected in described first drive mechanism 133 also includes being arranged at described instrument body 2 and through described adaptor 3.Described driving source 137 is a rigidity cord, and is also associated with operating handle 1371 at described instrument body 2 near-end.
Specifically, described first slide block 134 and the second slide block 135 are arranged on the sliding part of described first clamping part 113 and the second clamping part 122, and have and the first slide bar 115 and the second slide bar 116 chute 1342 matched and the through hole 1343 that described 3rd slide bar 117 is slidably matched and be provided with the perforation 1344 passed for band 131 in the side of adjacent first bundling buckle 1321 or the second bundling buckle 1322.
Described first slide block 134 is additionally provided with the screwed hole 1349 matched with described screw mandrel 136 so that the first slide block 134 can be driven when screw mandrel 136 rotates to be axially moveable.
Further, in order to prevent the band 131 through the position that bundling buckle 132 is moved through from coming off, described first slide block 134 and the second slide block 135 are additionally provided with the first slide bar 115 and the second slide bar 116 confined planes 1345 towards a side surface of cavity 110 that reclines, described confined planes 1345 is limited to outside strap slot 1151, to be limited in strap slot 1151 by band 131.
Refer to shown in Fig. 5 to Figure 11, in the present embodiment, it is preferable that in order to unnecessary band 131 being cut off after tubular tissue gathering is bundled into pocket shape, to facilitate the disengaging of pocket shape tubular tissue, in the present invention, tissue closure unit 1 is additionally provided with ribbon cutting breaking mechanism 16.Wherein, band 131 position that extends inside the most corresponding first holder 11 of described ribbon cutting breaking mechanism 16 and the second holder 12 and be provided with two groups.Specifically, ribbon cutting breaking mechanism 16 described in two groups is respectively rotatably arranged in the first slide block 134 and the second slide block 135 by present embodiment, and between perforation 1344 far-ends and confined planes 1345.Described first slide block 134 and the second slide block 135 are respectively equipped with the resettlement section 1346 housing described ribbon cutting breaking mechanism 16.Described resettlement section 1346 is connected with described strap slot 1151.
Each ribbon cutting breaking mechanism 16 has and two described bands 131 are oppositely arranged the edge of a knife 161 and be connected between the edge of a knife 161 guide the guide part 162 that ribbon cutting breaking mechanism 16 rotates.Thus, after tubular tissue is bundled into pocket shape, element (such as following cutter head 171) can be driven to coordinate with guide part 162 and promote ribbon cutting breaking mechanism 16 to rotate by one so that unnecessary band 131 is cut off by the edge of a knife 161 towards band 131 direction force.
It addition, in the present invention, described tissue closure unit 1 also includes the cutting knife 17 that the pocket shape tubular tissue in order to be tied respectively by two groups of bands 131 turns off.The cutting knife firing lock (not shown) driving described cutting knife 17 to move it is additionally provided with towards far-end in described instrument body 2.
Wherein, described cutting knife 17 may pass through described tool slot 119 and stretches in cavity 110, and between described first band 1311 and the second band 1312.Described cutting knife 17 has knife bar 170 and from knife bar 170 towards the cutter head 171 of cavity 110 direction projection, and described cutter head 171 is formed with to cut off the blade 1710 of tubular tissue.Described knife bar 170 stretches in instrument body 2 away from one end of cutter head 171 through adaptor 3, and described cutting knife firing lock is arranged in instrument body 2 and matches with knife bar 170 near-end.
In the present embodiment, described cutting knife 17 designs in one chip, and uses the material with certain pliability and rigidity to make.Described knife bar 170 and the equal slabbing of cutter head 171 and be molded as one.
Preferably, described cutting knife 17 also can design in multiple-piece, and the most described cutting knife 17 includes mutually corresponding along its thickness direction and is stacked and placed at least two group knife bars 170 and cutter head 171 arranged together, jointly to cut off tubular tissue；The most both can ensure that cutting knife 17 entirety had certain flexibility, can turn an angle during instrument body 2 rotary setting relatively at the follow-up tissue closure unit 1 that enables mentioned；Can guarantee that again cutting knife 17 has certain rigidity, tissue can be cut off；Meanwhile, the cutter head 171 of at least two panels cutting knife 17 stacked can occur a certain degree of dislocation after rotation, increases the area of blade 1710, increases the cutting performance of blade 1710 further.
As another preferred embodiment of the present invention, the knife bar 170 of described cutting knife 17 and cutter head 171 also can be fixed together by welding or other modes after molding respectively；Now, knife bar 170 can be made to use the material with certain pliability and rigidity to make, make its can not only be suitable for follow-up mention make tissue closure unit 1 can instrument body 2 rotary setting relatively, and can effectively promote and support cutter head 171 and tubular tissue is carried out rupturing operation.Described cutter head 171 then uses the material that rigidity is stronger to make, to ensure cutting effect.In the present invention, described cutter head 171 also serves as the driving element of ribbon cutting breaking mechanism 16 simultaneously.Thus, further, described first slide block 134 and the second slide block 135 are additionally provided with the slit 1347 stretching into described resettlement section 1346 for described cutting knife 17.When described cutting knife firing lock drives cutting knife 17 to move towards far-end, described cutting knife 17 may pass through slit 1347 and stretches in described resettlement section 1346, and match with described guide part 162 and make ribbon cutting breaking mechanism 16 rotate, and then make the edge of a knife 161 stretch into band 131 is cut off by strap slot 1151.
Specifically, described cutter head 171 setting triangular in shape, described blade 1710 is formed at cutter head 171 distal tip and upper and lower both sides.Described guide part 162 is formed with the guiding surface 1620 in order to match with described blade 1710 so that when cutter head 171 stretches in resettlement section 1346, and described blade 1710 moves along guiding surface 1620 and promotes ribbon cutting breaking mechanism 16 to rotate.
Understanding in conjunction with foregoing description and Fig. 1 to Figure 11, in present embodiment, tissue closing device is when stretching into human body and using:
First passing through pushing member drives driving ring 15 to move towards near-end, and then makes the second holder 12 open under the effect of flexible member 14, and then is taken in by tubular tissue in cavity 110；
Secondly, drive the first slide block 134 by drive transmission device 136 and promote the first bundling buckle 1321 to move to primary importance towards near-end along band 131, then being promoted by pushing member drives ring 15 to be closed by second holder 12, even if the second holder 12 closes with the first holder 11, in this position, two groups of mutual clasps of bundling buckle 132, the first slide block 134 and the second slide block 135 are also mutually located；
Again, the first slide block 134 is driven towards near-end continuation synchronizing moving, tubular tissue can be collapsed into pocket shape from far-end by relative band 131 with the second slide block 135 and then promotion the first bundling buckle 1321 with the second bundling buckle 1322 by drive transmission device 136；
After gathering completes, drive cutting knife firing lock, make cutting knife 17 stretch into the pocket shape tubular tissue being bundled into respectively by two bands 131 in cavity 110 to disconnect, simultaneously, cutting knife 17 drives ribbon cutting breaking mechanism 16 to be cut off by unnecessary band 131, now the second holder 12 can be opened, and take out the pocket shape tubular tissue needing to remove.Wherein, when taking out pocket shape tubular tissue, band 131 near-end is connected to the T-shaped location structure 13151 outside connecting portion 1315 and can be disconnected by force so that band 131 departs from the first base portion 111.
Further, after above-mentioned cutting knife 17 and ribbon cutting breaking mechanism 16 action complete, also the first slide block 134 and the second slide block 135 can be driven to move towards far-end by drive mechanism 136, and then away from pocket shape tubular tissue, further for convenience of the taking-up of pocket shape tubular tissue.
As above, in the above-mentioned better embodiment of the present invention, bundling buckle 132 can be driven to move towards near-end by the first drive mechanism 133, and then coordinate with band 131 tubular tissue is bundled into pocket shape.Really, as another better embodiment of the present invention, refer to shown in Figure 13, it is possible to make the near-end of band 131 gradually move towards far-end, bundling buckle 132 and band 131 can be made equally to coordinate and the tubular tissue of collecting is bundled into pocket shape.
Specifically, in this another better embodiment, by the first free end 1313 of described band 131 and the second free end 1314 respectively from near-end towards after remote extension, the most reversely bending extension from the far-end of the first holder 11 and the second holder 12, the far-end of described first holder 11 and the second holder 12 is provided with the standard shaft 120 moved towards near-end for band 131 from far-end；Described first drive mechanism 133 is to be each passed through the first holder 11 and the second holder 12 drawstring fixed respectively with described first free end 1313 and the second free end 1314 from near-end.
As can be seen from Figure 14, pulling drawstring 133, the first free end 1313 and the second free end 1314 that can make band 131 move towards near-end from far-end, and the connecting portion 1315 of band 131 moves towards far-end from near-end, and jointly gradually draw tubular tissue in pocket shape in bundling buckle 132.In that case, it is possible to be considered as described relative band 131 synchronizing moving of bundling buckle 132, and coordinate gathering tubular tissue with band 131.
Thus, summary embodiment understands, tissue closing device of the present invention is in use, only need upper and lower two bundling buckles 132 relatively (can include that bundling buckle 132 is along band 131 synchronizing moving by band 131 synchronizing moving, or band 131 both sides synchronize to wear movement in two bundling buckles 132), and both cooperate and reduce cavity 110, and then draw tubular tissue in.
Additionally, in the present invention, described tissue closing device can be a linear operating medical apparatus and instruments, and the most described instrument body 2 and tissue closure unit 1 are directly fixedly connected into a coaxial setting of linearity by adaptor 3.But, for further such that tissue closing device of the present invention can coordinate the closed procedure of the tubular tissue of different conditions, in the present embodiment, as shown in Figures 1 to 5, described tissue closure unit 1 is set to can rotate relative to instrument body 2 by described tissue closing device, and by the setting of adaptor 3, tissue closure unit 1 can be made can to rotate relative to instrument body 2 and to reach 90 degree, and then deeper position at the bottom of the tissue closing device of the present invention deep enough basin of energy also can be made to operate, simultaneously, simple to operate, easy to use, decrease operation cost.
Specifically, described instrument body 2 has main body 21 and is arranged at the first bindiny mechanism 22 of main body 21 far-end.Described tissue closure unit 1 has the second bindiny mechanism being arranged at near-end, in the present embodiment, described second bindiny mechanism be aforementioned from the first base portion 111 towards a pair lug 112 of adaptor 3 projection；It addition, described first bindiny mechanism 22 is also configured as a pair lug towards adaptor 3 direction projection, be formed between described lug 112,22 drive that adaptor 3 stepped down when rotating by tissue closure unit 1 allow bit space 24.
Described adaptor 3 is connected between instrument body 2 and tissue closure unit 1, is i.e. formed as the connection joint of instrument body 2 and tissue closure unit 1.Described adaptor 3 have switching main body 31, from the opposite sides of switching main body 31 towards a pair first ears 32 of instrument body 2 direction projection, from the opposite sides of switching main body 31 towards a pair second ears 33 of tissue closure unit 1 projection.All using pivot (not shown) rotatable engagement between described first ear 32 and first the 22, second ear of bindiny mechanism 33 and the second bindiny mechanism 112, described first ear 32 and the second ear 33 axially align along adaptor 3 and are symmetrical arranged.
Certainly, described tissue closing device also includes the driving element 4 for driving tissue closure unit 1 to rotate.Described driving element 4 is fixed on described tissue closure unit 1 through described instrument body 2 and adaptor 3 from near-end.The described driving element 4 fixed position on described tissue closure unit 1 between described second ear 33 and deviate tissue closed cell 1 axle center arrange.
Additionally, stretch into tissue for convenience of tissue closing device of the present invention and do not destroy tissue, the external diameter of described adaptor 3 is identical with the external diameter of described first bindiny mechanism 22 and the second bindiny mechanism 112 position, and described tissue closing device also has the sleeve (not shown) being arranged on outside described adaptor 3.Described sleeve can be the aforementioned push-and-pull element in order to drive ring 15 to move axially along tissue closure unit 1.
In the present embodiment, described driving element 4 is stay cord, and described switching main body 31 position corresponding with aforementioned fixed position is provided with stay cord hole 311.It addition, described driving element 4 is radially symmetrically arranged with a pair, rotate towards two rightabouts so that tissue closure unit 1 can compare instrument body 2 under the driving respectively of a pair driving element 4, to adapt to different use environment.
Further, limit for convenience of to the steering angle of tissue closure unit 1, described first bindiny mechanism 22 and the second bindiny mechanism 112 are respectively provided on two sides with one in order to limit the first ear 32 or the bit-stopping structure 23 of 33 gyrations is revolved in the second ear at described pivot.The distance being set between 90 degree, and described bit-stopping structure 23 and rotating shaft by the angle between the bit-stopping structure 23 of described pivot both sides in the present invention is equal；Make described tissue closure unit 1 can compare instrument body 2 90-degree rotation under the effect driving element 4.
Specifically, it is respectively equipped with in described first bindiny mechanism 22 and the second bindiny mechanism 112 to accommodate described first ear 32 or the depressed part 221 of the second ear 33, described pivotally connected position is positioned at described depressed part 221 middle position, and the internal face that described depressed part 221 is positioned at pivot both sides is formed as described bit-stopping structure 23.
Preferably, described first ear 32 and the most curved setting of end of the second ear 33, the most curved setting of internal face between bit-stopping structure 23 of the described depressed part 221.
Additionally, for convenience of aforementioned cutting knife 17 and the setting driving source 137 of screw mandrel 136, described switching main body 31 is additionally provided with the cutter groove 312 and wire rope hole 313 passed for described cutting knife 17 and driving source 137 respectively.Described cutter groove 312 extends between a pair first ears 32, and the adjacent described cutter groove 312 of described wire rope hole 313 is arranged.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should be using description as an entirety, technical scheme in each embodiment can also form, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that.
The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention; they also are not used to limit the scope of the invention, and all equivalent implementations or changes made without departing from skill of the present invention spirit should be included within the scope of the present invention.
Claims (12)
1. a tissue closing device, it is characterised in that including:
Instrument body, has main body and is arranged at the first bindiny mechanism of body distal end；
Tissue closure unit, has the second bindiny mechanism being arranged at near-end；
Adaptor, it is connected between instrument body and tissue closure unit, and there is switching main body, from the main body both sides a pair first ears towards the projection of instrument body direction that transfer, from the switching main body both sides a pair second ears towards tissue closure unit projection, all using to pivot between described first ear with the first bindiny mechanism, the second ear and the second bindiny mechanism and coordinate, described first ear and the second ear axially align along adaptor；
Drive element, be fixed on described tissue closure unit through described instrument body and adaptor, described driving element fixed position on described tissue closure unit between described second ear and deviate tissue closed cell axle center setting.
2. tissue closing device as claimed in claim 1, it is characterised in that: described driving element is stay cord, and the described switching main body position corresponding with aforementioned fixed position is provided with stay cord hole.
3. tissue closing device as claimed in claim 1 or 2, it is characterised in that: described driving element is radially symmetrically arranged with a pair, so that tissue closure unit is compared instrument body under the driving respectively of a pair driving element and can be rotated towards two rightabouts.
4. tissue closing device as claimed in claim 1, it is characterised in that: it is respectively provided on two sides with one in order to limit the first ear or the bit-stopping structure of second ear's anglec of rotation at described pivot in described first bindiny mechanism and the second bindiny mechanism.
5. tissue closing device as claimed in claim 4, it is characterised in that: the angle between the bit-stopping structure of described pivot both sides is 90 degree.
6. the tissue closing device as described in claim 4 or 5, it is characterized in that: be respectively equipped with in described first bindiny mechanism and the second bindiny mechanism to accommodate described first ear or the depressed part of the second ear, described pivotally connected position is positioned at described depressed part middle position, and the described depressed area internal face in pivot both sides is formed as described bit-stopping structure.
7. tissue closing device as claimed in claim 6, it is characterised in that: the most curved setting of end of described first ear and the second ear, the most curved setting of described depressed part internal face between bit-stopping structure.
8. tissue closing device as claimed in claim 1, it is characterized in that: described first bindiny mechanism and the second bindiny mechanism are a pair lug towards the projection of adaptor direction, between described lug, be formed at the bit space that allows when driving tissue closure finite element rotation, switching main body stepped down.
9. tissue closing device as claimed in claim 1, it is characterised in that: described tissue closure unit includes:
The first holder can relatively opened and close and the second holder, when the first holder and the second holder close, be formed with to house the cavity of tubular tissue between described first holder and the second holder；
Coordinate the pocket assembly that described first holder and the second holder are arranged, so that described tubular tissue is bundled into pocket shape；
Cutting knife, is fixed in instrument body and may pass through the first holder and protrude into described cavity；
Cutting knife firing lock, in being arranged at instrument body and matches with described cutting knife, and at pocket assembly, the tubular tissue in cavity is bundled into pocket shape rear drive cutting knife and is separated by pocket shape tubular tissue；
Wherein, described switching main body is provided with the cutter groove passed for described cutting knife, and described guide groove extends between a pair first ears.
Tissue closing device the most according to claim 9, it is characterised in that: described cutting knife has the cutter head towards the projection of cavity direction and is connected to the knife bar of cutter head far-end, and knife bar and cutter head the most in the form of sheets and are molded as one；Described cutting knife is one chip or multiple-piece setting, and when arranging in multiple-piece, described cutting knife includes mutually corresponding along its thickness direction and is stacked and placed on knife bar and cutter head described at least two groups arranged together, jointly to cut off tubular tissue.
11. tissue closing devices according to claim 9, it is characterized in that: described cutting knife has the cutter head towards the projection of cavity direction and is connected to the knife bar of cutter head far-end, described knife bar and cutter head are fixed with each other after separating molding, wherein, described knife bar uses the material with certain pliability and rigidity to make, and described cutter head uses the material with certain rigidity to make.
12. tissue closing devices as claimed in claim 1, it is characterised in that: the external diameter of described adaptor is identical with the external diameter of described first bindiny mechanism and the second bindiny mechanism position, and described tissue closing device also has the sleeve being arranged on outside described adaptor.
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642770.5A CN105997174B (en) | 2016-08-08 | 2016-08-08 | Tissue closing device |
| EP16912571.3A EP3498179B1 (en) | 2016-08-08 | 2016-12-26 | Tissue closing device |
| BR112019002550-2A BR112019002550B1 (en) | 2016-08-08 | 2016-12-26 | TISSUE CLOSING DEVICE |
| RU2019104470A RU2723729C1 (en) | 2016-08-08 | 2016-12-26 | Surgical device for tissue closure |
| PCT/CN2016/112079 WO2018028118A1 (en) | 2016-08-08 | 2016-12-26 | Tissue closing device |
| JP2019504915A JP6755470B2 (en) | 2016-08-08 | 2016-12-26 | Tissue closure device |
| PT169125713T PT3498179T (en) | 2016-08-08 | 2016-12-26 | Tissue closing device |
| ES16912571T ES2842933T3 (en) | 2016-08-08 | 2016-12-26 | Tissue closure device |
| HUE16912571A HUE052755T2 (en) | 2016-08-08 | 2016-12-26 | Tissue closing device |
| US16/323,771 US11123064B2 (en) | 2016-08-08 | 2016-12-26 | Tissue closure device |
| PL16912571T PL3498179T3 (en) | 2016-08-08 | 2016-12-26 | Tissue closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642770.5A CN105997174B (en) | 2016-08-08 | 2016-08-08 | Tissue closing device |
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| Publication Number | Publication Date |
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| CN105997174A true CN105997174A (en) | 2016-10-12 |
| CN105997174B CN105997174B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642770.5A Active CN105997174B (en) | 2016-08-08 | 2016-08-08 | Tissue closing device |
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| Country | Link |
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| CN (1) | CN105997174B (en) |
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| WO2018028118A1 (en) * | 2016-08-08 | 2018-02-15 | 苏州天臣国际医疗科技有限公司 | Tissue closing device |
| CN112617937A (en) * | 2020-12-29 | 2021-04-09 | 美科特医疗科技(苏州)有限公司 | Anastomat sleeve pipe assembly |
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| CN104434244A (en) * | 2013-09-23 | 2015-03-25 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string forceps |
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| CN112617937A (en) * | 2020-12-29 | 2021-04-09 | 美科特医疗科技(苏州)有限公司 | Anastomat sleeve pipe assembly |
| CN112617937B (en) * | 2020-12-29 | 2022-05-17 | 美科特医疗科技(苏州)有限公司 | Anastomat sleeve pipe assembly |
Also Published As
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|---|---|
| CN105997174B (en) | 2018-10-16 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |