CN105997176B - tissue closing device and medical instrument - Google Patents
tissue closing device and medical instrument Download PDFInfo
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- CN105997176B CN105997176B CN201610645093.2A CN201610645093A CN105997176B CN 105997176 B CN105997176 B CN 105997176B CN 201610645093 A CN201610645093 A CN 201610645093A CN 105997176 B CN105997176 B CN 105997176B
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- closing device
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- block
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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
-
- 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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- 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
-
- 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 present invention provides a kind of tissue closing device, including can opposite opened/closed the first holder, the second holder, pocket component, closing assembly；The pocket component, with initial position, the firing position positioned at the tissue closing device distal end for being located at the tissue closing device proximal end, when the pocket component is from initial position to firing position, the pocket component by be located at the portion of tissue in accommodating chamber and collapse be in non-tightening state pocket；The closing assembly, with initial position, the firing position positioned at the tissue closing device distal end for being located at the tissue closing device proximal end, when the closing assembly is from initial position to firing position, the portion of tissue being located in accommodating chamber is collapsed and forms the pocket of closure by the closing assembly.The tissue closing device can be formed simultaneously the pocket of a closure, close pathological tissues end, and a pocket for collapsing rather than tightening is convenient for subsequent operation.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of tissue closing device and there is tissue closure dress
The medical instrument set.
Background technique
In existing gastrointestinal cancer patients, to open a notch channel again on stomach wall could be by removed tumour
Tissue takes out external；Notch more so not only unsightly, and can cause bigger wound to sufferer.
In addition, in existing gastral anastomosis operation, generally first using linear type or arc line type stapler to human body tubulose
The detachment that tissue carries out multi-angle is coincide, and is reused circular-pipe anastomat and dock to the tissue after detachment and coincide.However, working as
Human body tubular tissue is carried out after detachment coincide using linear type or arc line type stapler, due to previous anastomotic be it is linear, especially
It is when doing low rectal position, due to being limited by human body basin bottom operating space and its linear type instrument pivot angle
Limitation, it may appear that intersect nail phenomenon, in this way, " cat ear " can be had by reusing when circular-pipe anastomat coincide, not only there is fistula
Risk, and repeatedly to be coincide when tumour is located at low level, higher cost of performing the operation.
Summary of the invention
The purpose of the present invention is to provide a kind of tissue closing device and with the medical instrument of the tissue closing device.
For achieving the above object, the present invention provides a kind of tissue closing device, the tissue closing device includes
Can the first holder, the second holder with respect to opened/closed, formed after first holder and second holder closure and accommodated
Chamber；The tissue closing device further includes along the spaced pocket component of the tissue closing device width direction, closed group
Part；The pocket component, have positioned at the tissue closing device proximal end initial position, be located at the tissue closing device it is remote
The firing position at end, when the pocket component is from initial position to firing position, the pocket component will be located in accommodating chamber
Portion of tissue collapses the pocket in non-tightening state；The closing assembly has positioned at the first of the tissue closing device proximal end
Beginning position, the firing position positioned at the tissue closing device distal end, when the closing assembly is from initial position to firing position,
The portion of tissue being located in accommodating chamber is collapsed and forms the pocket of closure by the closing assembly.
As a further improvement of the present invention, it is all had on the opposite clamping face of first holder, second holder
From the spaced several convex blocks of proximate, the convex block be equipped with from proximate through the convex block and with it is described
The needle tray of accommodating chamber connection；Convex block on first holder and second holder is shifted to install from proximate, and institute
When stating the first holder and second holder closure, the convex block on first holder and second holder forms undaform
Clamp gap；The pocket component is with the first pedestal, a pair of of the syringe needle for being movably connected on first pedestal, a pair of of institute of connection
State the purse wire of the proximal end of syringe needle, be fixed on first holder and/or second holder distal end and with a pair of syringe needle
The connector of cooperation；The pocket component has the initial position positioned at the tissue closing device proximal end, is located at the tissue
The firing position of closing device distal end, when the pocket component is from initial position to firing position, the syringe needle, which penetrates to be located at, to be held
It receives and intracavitary portion of tissue and is connect with the connector.
As a further improvement of the present invention, first holder and second holder include clip shell, are fixed on every
In one clip shell and with the first grip block of pocket component cooperation, between the clip shell and first grip block
And from proximate extend channel；Have on first grip block and is arranged and is connected to described lead to from proximate interval
Road is located in the opening with several openings of the accommodating chamber, the convex block and can be in the opening along perpendicular to described
The direction of grip block is close to or far from the clip shell；The tissue closing device further includes can be by drivingly in the channel
It is mobile gradually to drive the convex block on first grip block towards away from the movement of the direction of the clip shell from proximate
Pushing block, the pushing block to distal end it is mobile after, the convex block positioned at the pushing block proximal end is detached from the pushing block.
As a further improvement of the present invention, one in the opening and the convex block is equipped at least one orientation
Column, another is equipped with the guide slot to match with the orientation column；The orientation column is matched with the guide slot to guide
The convex block is close or mobile away from the clip shell.
As a further improvement of the present invention, the convex block includes opposite and spaced first wall and the second wall, connects
The connection wall of first wall and second wall is connect, first wall, the second wall and the connection wall, which are enclosed, to be set to be formed towards back
The needle tray that side from the connection wall opens;The connection wall is equipped at least one side convex from the connection wall
The limit film stretched, the edge that the limit film rides over the opening when the convex block is mobile away from the clip shell, which plays, limits it
The effect continued to move to.
As a further improvement of the present invention, each convex block has inclining positioned at proximal end towards the side of the clip shell
Inclined-plane, the plane positioned at the inclined surface distal end；The pushing block have positioned at distal end and with the inclined surface cooperation inclined plane part,
Planar portions positioned at the inclined plane part proximal end.
As a further improvement of the present invention, width of the planar portions on proximate direction is greater than the convex block
Width on proximate direction.
As a further improvement of the present invention, the pocket component further includes being set on first pedestal with fixed a pair of
A pair of of needle sleeve of syringe needle, the needle sleeve both ends open and be in hollow form, and each needle hub have direction
Another cable tray needle hub opening and extended from proximate.
As a further improvement of the present invention, the distal end of at least one first grip block is equipped with towards another described the
The first binding block that one grip block protrudes out；First binding block has spaced along the first grip block width direction
A pair of of wall, a pair of of wall are cooperatively provided with the insertion slot for planting the connector, described in the connector insertion
After in insertion slot, the connecting hole is located in the gap between a pair of of wall and the connecting hole is from described in proximate perforation
Connector.
As a further improvement of the present invention, first holder and second holder include clip shell, are fixed on every
The second grip block cooperated in one clip shell with closing assembly；The closing assembly includes can be by drivingly in the receiving
Intracavitary second pedestal mobile from proximate, closure nail, the nail anvil for making the closure nail closure, the closure nail with it is described
One in nail anvil is set to the second pedestal distal end, another is set to first holder and/or second holder
Distal end；The closing assembly has the initial position positioned at the tissue closing device proximal end, is located at tissue closure dress
The firing position of distal end is set, when the pocket component is located at firing position, the closure nail collapses the part being located in accommodating chamber
It organizes and forms closure pocket.
As a further improvement of the present invention, the distal end of at least one second grip block is equipped with towards another described the
The second binding block that two grip blocks protrude out, second binding block include the second grip block the first holder of direction from the second holder
The matrix protruded out, the ennation proximally extended from one end of matrix the first holder of direction, another second grip block have
The resigning portion stepped down to the ennation；The closure nail is fixed on the ennation, described matrix, the institute with described matrix
It states between the second grip block, the nail anvil is fixed on the distal end of second pedestal.
As a further improvement of the present invention, the closure nail includes the first nail pin, second nail parallel with the first nail pin
Foot, the third nail pin between the first nail pin and the second nail pin, the company for connecting the first nail pin and the second nail pin and third nail pin
Connect nail pin；Described matrix is fixed on the second grip block of the second holder, and the second grip block of first holder has to institute
State the resigning portion of ennation resigning；The ennation is equipped with open with collecting post towards the second grip block of second holder
The first container of the first nail pin is stated, described matrix is equipped with proximally facing opening to accommodate the connection receiving of the connected nail foot
Slot, the second grip block of second holder are equipped with towards open the second container to accommodate the second nail pin of ennation.
As a further improvement of the present invention, the tissue closing device further includes being respectively used to push the pocket group
The first catch bar, the second catch bar of part, closing assembly from proximate movement.
As a further improvement of the present invention, the tissue closing device further include in proximal end connect first pedestal and
The base joint of second pedestal acts on the base joint proximally to drive the pocket component and the closed group
The part catch bar mobile from proximate.
As a further improvement of the present invention, the tissue closing device further includes cutter, the distal end of the cutter
It is designed to blade；First holder and second holder all have the tool slot extended from proximate, the lotus
Pack assembly, the closing assembly are divided into the two sides of the tool slot；When the cutter are in non-firing position, the blade
Between the pocket component, the closing assembly；When the cutter are in firing position, the blade is from proximal end to remote
End exceeds the pocket component, the closing assembly.
As a further improvement of the present invention, the cutter are I-shaped knife, and the cutter include the first close out sheet, the
The cutting edge of two close out sheet, connection first close out sheet and second close out sheet, the blade are located at the cutting edge
Distally；After the cutter and the assembly of first holder and the second holder, the cutting edge is located in the tool slot, described
First close out sheet is located at the side that first holder deviates from second holder, and second close out sheet is located at second folder
Seat deviates from the side of first holder.
As a further improvement of the present invention, the tissue closing device further include positioned at each channel distal end with
Drive the pushing block towards the elastic slice mobile away from the direction of the clip shell；The tissue closing device further includes cutter, described
The distal end of cutter is designed to blade；The cutter include the first push rod for being distally-oriented to distal end and protruding out from the blade
With second push rod, channel respectively at first holder of first push rod, second push rod, second holder
Channel in push the pushing block mobile from proximate.
As a further improvement of the present invention, the tissue closing device further includes for pushing the cutter from proximal end
The third catch bar mobile to distal end.
For achieving the above object, the present invention also provides a kind of medical instrument, including instrument body, removably connect
It is connected to the tissue closing device of the instrument body distal end, is connected in the instrument body to fire the tissue closing device
Percussion lock.
The beneficial effects of the present invention are: tissue closing device of the invention is by pocket component and closing assembly in lesion group
The side knitted forms two pockets, in particular by closing assembly in one closure pocket of a formation close to pathological tissues,
Close pathological tissues end；By tubular tissue of the pocket component to the other side carry out thread but do not close, to pathological tissues from
It after natural channel is taken out in vitro, then carries out take-up and closes to form pocket, convenient for the operation of next step anastomosis.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the medical instrument of a better embodiment of the invention.
Fig. 2 is schematic diagram of the tissue closing device shown in FIG. 1 when the first holder and the second holder are closed.
Fig. 3 is tissue closing device shown in Fig. 2 in the schematic diagram of another angle.
Fig. 4 is tissue closing device shown in Fig. 3 in the schematic diagram of another angle.
Fig. 5 is partial sectional view of the Fig. 4 along the direction B-B.
Fig. 6 is partial sectional view of the Fig. 4 along the direction D-D.
Fig. 7 be tissue closing device during forming pocket along the cross-sectional view of the direction D-D part shown in Fig. 4.
Fig. 8 be shown in schematic diagram of the tissue closing device when the first holder and the second holder are opened.
Fig. 9 is tissue closing device shown in Fig. 8 in the schematic diagram of another angle.
Figure 10 is the partial enlarged view of Fig. 8.
Figure 11 is the schematic diagram of pocket component and closing assembly in not formed pocket in one embodiment of the invention.
Figure 12 is schematic diagram of the pocket component and closing assembly shown in Figure 11 when forming pocket.
Figure 13 be pocket component in one embodiment of the invention, closing assembly, cutter form pocket but tissue not by
Cooperation schematic diagram before cutting.
Figure 14 is the cooperation schematic diagram of pocket component, closing assembly shown in Figure 13, cutter after cutting tissue.
Figure 15 is the schematic diagram of the pocket formed using tissue closing device of the invention.
Figure 16 is the pocket of Figure 15 in the schematic diagram of another angle.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
Clearly to express described position and direction in the present invention, using equipment operator as reference, proximal operator is depended on
One end be proximal end, far from operator one end be distal end.
As shown in Figure 1, being the medical instrument 100 of better embodiment of the present invention, including instrument body 1, removably connect
It is connected to the tissue closing device 2 of 1 distal end of instrument body, is connected in the instrument body 1 to fire the tissue closure
The percussion lock 3 of device 2.It will be appreciated by persons skilled in the art that the tool of the instrument body 1 and the percussion lock 3
Body structure is unlimited, as long as the tissue closing device 2 can be fired ordinatedly；Such as the instrument body 1 can continue to use but
It is not limited to 1 mechanism of instrument body of linear type or arc line shaped stapler.
As shown in Fig. 2 ~ Figure 14, the tissue closing device 2 of better embodiment of the present invention is mainly used for human body tubular tissue
The anastomosis of 200 excision lesion portions, such as alimentary tract anastomosis operation；And the pathological tissues both ends of excision are closed into lotus
Packet, while using the original natural channel of human body, such as anus, it is carried out again after pathological tissues are taken out using instrument in next step
Operation.
Typical human body tubular tissue 200 includes but is not limited to: blood vessel, including artery and vein；Alimentary canal, including food
Road, stomach, small intestine, colon, rectum；Bile duct and pancreas；The urinary tract, including ureter, bladder and urethra；And fallopian tubal etc..It can
With understanding, the tissue closing device 2 can be used in coincide same human body tubular tissue 200 or human body tubulose not of the same race
Tissue 200.For example, the tissue closing device 2 connects two of colon for coincideing when lesion occurs for the middle section of colon
Point, and the tubular track re-created is in colon itself；And lesion portion is sigmoid colon, it is directly to rectum
, the tissue closing device 2 is for connection colon and the rectum of coincideing, and the tubular track re-created is located at rectum and colon
Between.
On the whole, the tissue closing device 2 includes that the tissue closing device 2 is connected to the instrument body 1
Transfer connector 21, can with respect to the first holder 22 of opened/closed and the second holder 23, along 2 width of tissue closing device
What the spaced pocket component 25 in direction and closing assembly 26/ were matched with first holder 22 and second holder 23
The components such as cutter 24.It will be appreciated by persons skilled in the art that each component is not limited to its described with the present invention
He is used cooperatively component, can also be used cooperatively with the other component of the non-exclusive list of the present invention.
After the transfer connector 21 is connect with the instrument body 1, structure that the needs inside the transfer part control
It is associated with percussion lock 3.
First holder 22 and second holder 23 closure rear shell form accommodating chamber 27.First holder 22 and institute
Stating the second holder 23 opposite can open, and enter in the accommodating chamber 27 for human body tubular tissue 200；Later by first holder
22 and second holder 23 closure form accommodating chamber 27, the part human body tubular tissue 200 i.e. by the first holder 22 and second
Holder 23 is held in the accommodating chamber 27, to facilitate subsequent operation.It will be appreciated by persons skilled in the art that after so-called
Continuous operation includes but is not limited to: the boundling pocket for collapsing the 200 formation center of part human body tubular tissue；Cut human body tubulose
Tissue 200 etc..
In the present embodiment, the proximal end of first holder 22 and the proximal end of second holder 23 are pivotally connected, and described
The distal end of first holder 22, the second holder 23 distal end in split type openable/closure accommodating chamber 27；First holder
22 distal end, second holder 23 distal end separation when, first holder 22 and second holder 23 are in that approximate V-type is opened
Mouthful.
Specifically, first holder 22 and second holder 23 include the clip shell 28 of channel-shaped, are fixed on each institute
It states in clip shell 28 and along spaced first grip block 29 of the width direction of the clip shell 28, the second grip block 20.Described
One grip block 29 and second grip block 20 are in the same plane, and first grip block 29 and/or second folder
Hold the channel 2a that formation extends from proximate between plate 20 and the clip shell 28.
The connection type of first grip block 29 and the clip shell 28 and second grip block 20 and the clip shell 28
Connection type it is identical, will be illustrated by taking the connection type of first grip block 29 and the clip shell 28 as an example below: institute
Stating the first grip block 29 and the clip shell 28 can be split settings, one in the clip shell 28 and first grip block 29
It is equipped with that several fixed columns (not shown), another is equipped with and the one-to-one fixing groove of the fixed column (not shown).Institute
State clip shell 28 and after first grip block 29 is fixed together, the clip shell 28 enclosed with first grip block 29 sets to be formed from
The channel 2a that proximate direction extends.Certainly, the clip shell 28 can also be set with first grip block 29 in integral type
It sets.
The proximal end of the clip shell 28 of first holder 22 is equipped with pivot (not labeled), and the clip shell 28 of second holder 23 is leaned on
The pivot hole (not labeled) matched with the pivot is equipped at the position of nearly proximal end；The pivot be inserted into the pivot hole and
When first holder 22 and second holder 23 are closed, first holder 22 is equal with the distal end of second holder 23
Together, the proximal end of the clip shell 28 of second holder 23 beyond first holder 22 clip shell 28 proximal end, with facilitate and its
He assembles apparatus structure.
Have on first grip block 29 from the spaced several convex blocks 292 of proximate, first clamping
Several convex blocks 292 on plate 29 are inline, and the convex block 292, which is equipped with from proximate, runs through the convex block
292 and the needle tray 293 that is connected to the accommodating chamber 27；Convex block 292 on first holder 22 and second holder 23 is certainly
Proximate shifts to install, and when first holder 22 and second holder 23 closure, first holder 22 and institute
State the clamping gap that the convex block 292 on the second holder 23 forms undaform.
Further, on first grip block 29 have from proximate interval be arranged and be connected to the channel 2a with
Several openings 291 of the accommodating chamber 27, the convex block 292 are located in the opening 291 and can lean in the opening 291
Close or remote from the clip shell 28.It will be appreciated by persons skilled in the art that spaced several openings 291 can be interval
Several independent openings 291 being arranged；It is in one that spaced several openings 291 can also be connected to from proximate
Big opening 291.
The first grip block 29 when first holder 22 is closed with second holder 23, in first holder 22
It is parallel with the first grip block 29 in second holder 23, and the convex block on first holder 22 and second holder 23
292 shift to install from proximate.When first holder 22 is closed with second holder 23, when not firing,
Due to the active force of tubular tissue 200, several convex blocks 292 on first holder 22, second holder 23 distinguish part
First holder 22, second holder 23 and the grip block is hidden in be formed by the channel 2a.Wherein, so-called
It refers in parallel substantially parallel, not refers in particular to the parallel of proper two planes, such as can be from proximate
Direction formed distal jaw be greater than proximal end jaw anti-jaw, to reduce percussion force.
One in the opening 291 and the convex block 292 is equipped at least one orientation column 294, another is equipped with
The guide slot 295 to match with the orientation column 294.The orientation column 294 is matched with the guide slot 295 described in guidance
Convex block 292 close to or away from the clip shell 28 it is mobile, it is understood that for the convex block 292 close to or deviate from the clip shell 28
When, the orientation column 294 moves Sloped rotating when preventing the convex block 292 mobile in the guide slot 295.The present embodiment
In, two guide slots 295 being oppositely arranged are provided on the convex block 292, set on 291 inner walls of the opening there are two orient column
294。
Specifically, the convex block 292 includes described in opposite and spaced first wall 2921 and the second wall 2922, connection
The connection wall 2923 of first wall 2921 and second wall 2922, first wall 2921, the second wall 2922 and the connection wall
2923 enclose the class v type needle slot 293 for setting and forming the side for facing away from the connection wall 2923 opening.
The connection wall 2923 has inclined surface 2924 away from the proximal end of the outside wall surface of the needle tray 293, to facilitate from institute
The proximal end for stating convex block 292 drives the convex block 292 mobile away from the clip shell 28.Further, the connection wall 2923 is outer
Wall surface also there is the plane 2925 positioned at 2924 distal end of inclined surface, be located at 2925 distal end of the plane and with the inclined surface
2924 symmetrically arranged symmetrical inclined surface 2926, so that whether the convex block 292 can proximally and distally exchange installation, and right
Adjusting installation that can realize proximally drives the convex block 292 mobile away from the clip shell 28.Certainly, the inclined surface 2924,
The plane 2925 and the symmetrical inclined surface 2926 are also possible to that a cambered surface is collectively formed, and reach same effect.
The connection wall 2923 is equipped at least one limit film protruded outward from the side of the connection wall 2923
2927, the edge that the limit film 2927 rides over the opening 291 when the convex block 292 is mobile away from the clip shell 28 plays
Its effect continued to move to is limited, so that the outside wall surface of the connection wall 2923 is always positioned in the channel 2a.The present embodiment
In, the connection wall 2923 has the distal end limit film 2927b extended respectively to both ends from distal end, proximal end, proximal end limit film
2927a, when the convex block 292 is mobile away from the clip shell 28, the distal end limit film 2927b, proximal end limit film 2927a are taken
Playing the role of restriction at the edge of the opening 291, it is continued to move to.
In addition, limiting slot of the clip shell 28 equipped with the outside wall surface to accommodate and limit the connection wall 2923 is (not
Diagram), when the convex block 292 is mobile towards the clip shell 28, the limiting slot supports the connection wall 2923 and plays limitation
Its effect continued to move to, so that first wall 2921 and the second wall 2922 are away from one end of the connection wall 2923 position always
In in the accommodating chamber 27.When the convex block 292 is close to the clip shell 28, the distal end limit film 2927b, proximal end limit film
2927a is located at outside the limiting slot.
First wall 2921 deviates from the needle tray 293 away from the outside wall surface of the needle tray 293 and second wall 2922
Outside wall surface on be equipped at least one guide slot 295, have in the opening 291 and determine with what the guide slot 295 matched
To column 294；When the convex block 292 is close to or away from the clip shell 28, the orientation column 294 moves in the guide slot 295,
To guarantee that the convex block 292 is moved along the direction perpendicular to the grip block, the run-off the straight when moving of convex block 292 is prevented.
Further, the tissue closing device 2 further include can be by drivingly in the first grip block 29 and the clip shell
It is mobile gradually to drive several 292 courts of convex block on the grip block from proximate in the channel 2a between 28
The pushing block 2b mobile away from the direction of the clip shell 28.After the pushing block 2b is moved to distal end, positioned at the proximal end the pushing block 2b
Convex block 292 is detached from the pushing block 2b and can be returned in the 2a of channel by tissue, to concede accommodating chamber 27 for other mechanisms from close
It holds mobile to distal end.
Specifically, the convex block 292 has the inclined surface 2924 positioned at proximal end, positioned at institute towards the side of the clip shell 28
State the plane 2925 of 2924 distal end of inclined surface；The pushing block 2b has the inclined-plane positioned at distal end and with the inclined surface 2924 cooperation
Portion 2b1, the planar portions 2b2 positioned at the proximal end the inclined plane part 2b1；The pushing block 2b is moved in the channel 2a from proximate
When dynamic, the inclined plane part 2b1 acts on the inclined surface 2924 to drive the convex block 292 to be moved to institute away from the clip shell 28
It states the plane 2925 and planar portions 2b2 to support, the limit film 2927 is overlapped on the edge of the opening 291 at this time.This reality
It applies in example, the planar portions 2b2 is designed to along the length of proximate extending direction, positioned at pushing away for first holder 22
When the planar portions 2b2 of block 2b and 2925 phase of plane of one of convex block 292 are supported, positioned at the pushing block 2b of second holder 23
Planar portions 2b2 also supported simultaneously with 2925 phase of plane of one of convex block 292, and two convex blocks 292 are adjacent.
Further, the planar portions 2b2 is greater than the convex block 292 and exists from the width on proximate direction
Proximal end is from the width on distal direction, so that in percussion, it is ensured that have at least simultaneously on each first grip block 29
Two convex blocks 292 are jacked up, and wavy tissue folder is collectively formed with the opposite convex block 292 jacked up and closes
Face, to guarantee that 293 channel of needle tray of perforation can be formed in tissue that the convex block 292 clamps under the action of pushing block 2b
2a；And when pushing block 2b continues distal movement, the convex block 292 positioned at the proximal end the pushing block 2b is due to losing the pushing block 2b's
It acts on and return, does not hinder other mechanism distal movements.
Further, the tissue closing device 2 further includes the distal end positioned at the channel 2a to drive the pushing block 2b
Towards the elastic slice 2c mobile away from the direction of the clip shell 28.Specifically, the elastic slice 2c is located on first grip block 29
The distal end of all convex blocks 292, it is described after the pushing block 2b pushes all convex blocks 292 mobile far from the holder
Elastic slice 2c drives the pushing block 2b towards away from the movement of the direction of the clip shell 28, so as to concede channel 2a, is convenient for other devices
The operation of tool.
Further, the distal end of at least one first grip block 29 is equipped with convex towards another first grip block 29
The first binding block 296 stretched to support the first holder 22 and the second holder 23 of closure, while being also possible to prevent to be held on two
Tubular tissue 200 between a first grip block 29 overflows.The distal end of at least one second grip block 20 is equipped with towards another
The second binding block 201 that one second grip block 20 protrudes out, to support the first holder 22 and the second holder 23 of closure, together
When be also possible to prevent the tubular tissue 200 being held between two the second grip blocks 20 spilling.
Specifically, the first grip block 29 of first holder 22, the distal end of the second grip block 20 are respectively equipped with towards institute
The first binding block 296, the second binding block 201 that the second holder 23 protrudes out are stated, when the first holder 22 and the second holder 23 are closed, institute
State the first binding block 296, second binding block 201 is held in the first grip block 29, second of second holder 23 respectively
It is closed the accommodating chamber 27 on grip block 20, while preventing tubular tissue 200 from overflowing.In other embodiments, first button
Conjunction block 296, the second binding block 201 can also be respectively arranged at the first grip block 29, the second grip block of second holder 23
20 distal end.Alternatively, first binding block 296 includes the two parts being divided on a pair of first grip block 29, first
When holder 22 and the second holder 23 are closed, which is supported in opposite directions with the receiving between a pair of first grip block 29 of closure
Chamber 27.First binding block 296 includes the two parts being divided on a pair of second grip block 20, the first holder 22 and the
When two holders 23 are closed, which is supported in opposite directions with the accommodating chamber 27 between a pair of second grip block 20 of closure.
When first holder 22, the second holder 23 are opened, human body tubular tissue 200 can enter described from V-type opening
In accommodating chamber 27；It is closed first holder 22 and second holder 23 in opposite directions, until described
First binding block 296, second binding block 201 are closed the accommodating chamber 27, play the role of both limitations and continue closure, together
When prevent human body tubular tissue 200 to excessive.
In addition, first holder 22 and second holder 23 also have along first holder 22 to described second
The perforative tool slot 2d in 23 direction of holder, and the tool slot 2d extends from proximate, it is first grip block 29, described
Second grip block 20 is divided into the two sides of the tool slot 2d.
It is different from above-described embodiment, it can also be with not set first clamping in first holder 22, second holder 23
Plate 29 all has from proximate interval on the opposite clamping face of first holder 22, second holder 23 set at this time
Several convex blocks 292 set, the convex block 292 be equipped with from proximate through the convex block 292 and with the accommodating chamber 27
The needle tray 293 of connection；Convex block 292 on first holder 22 and second holder 23 is shifted to install from proximate,
And convex block when first holder 22 and second holder 23 closure, on first holder 22 and second holder 23
Form the clamping gap of undaform.
The tissue closing device 2 further includes matching respectively with a pair of first grip block 29, a pair of second grip block 20
Pocket component 25, closing assembly 26, with simultaneously the tubular tissue 200 with lesion side formed two pockets；Therefore
When cutting human body tubular tissue 200 between two pockets, the end of the tubular tissue 200 with lesion tightens pass by pocket
It closes, is not easy to disengage, taken out in vitro convenient for subsequent.
The pocket component 25 has the initial position positioned at 100 proximal end of tissue closing device, is located at the tissue
The firing position of 100 distal end of closing device, when the pocket component 25 is from initial position to firing position, the pocket component 25
The pocket that the gathering of the portion of tissue 200 in accommodating chamber 27 is in non-tightening state will be located at.
The pocket component 25 includes can be by drivingly from the first mobile pedestal 251 of proximate, positioned at first
A pair of of needle sleeve 252 of 251 distal end of pedestal, the syringe needle 253 being movably connected in each described sleeve pipe, a pair of needle of connection
The purse wire 255 of first 253 proximal end and be fixed on first holder 22 and/or the distal end of second holder 23 and with a pair
The connector 254 that the syringe needle 253 cooperates, the connector 254 have the connecting hole to accommodate each syringe needle 253
2541.After the syringe needle 253 is connected with the connector 254, the connecting hole 2541 is in the axial direction of the pocket component 25
The syringe needle 253 is limited.
In the present embodiment, first binding block 296 has spaced along 29 width direction of the first grip block
A pair of of wall 2961, a pair of of wall 2961 are cooperatively provided with towards the gap open among a pair of of wall 2961 for inserting
Set the 254 insertion slot (not labeled) of connector.After the connector 254 is inserted into the insertion slot, the connecting hole 2541
In gap between a pair of of wall 2961 and the connecting hole 2541 from proximate penetrates through the connector 254.
The connector 254 is fixed on first binding block 296, and described in a pair of connecting hole 2541 and a pair
Syringe needle 253 is corresponding.And in first binding block 296 include two be respectively arranged on a pair of first grip block 29
Timesharing, the connector 254 also may include the two parts being respectively arranged on two the first binding blocks 296, and the two parts are logical
The modes such as bolt are crossed mutually to fix.
252 both ends open of needle sleeve and be in hollow form, and each needle sleeve 252 has towards another institute
The cable tray 2521 stating the opening of needle sleeve 252 and extending from proximate, the syringe needle 253 is in the needle sleeve
When mobile from proximate in 252, the purse wire 255 is mobile from proximate in the cable tray 2521 and takes off
From the needle sleeve 252.
The distal end of the syringe needle 253 have along the syringe needle 253 radially-inwardly recess with 2541 phase of connecting hole
Several retainer plates 2531 of cooperation, from distal end, proximally interval is arranged several retainer plates 2531.The connecting hole 2541 is
Flexible through-hole, when 253 distal end of syringe needle protrudes into the connecting hole 2541, the springhole can become larger, and
When the connecting hole 2541 is located at position of the pillow equipped with the retainer plate 2531, the springhole shrinks and blocks
At the retainer plate 2531,253 distal end of syringe needle is stably connected with the connector 254, works as described group convenient for subsequent
Knit closing device 2 from firing position be converted to percussion complete position when, the syringe needle 253 is separated with the needle sleeve 252, can
With Manual tightening pocket.
When driving first pedestal 251 mobile from proximate, while gradually driving from proximate described the
The convex block 292 of one holder 22, second holder 23 convex block 292 moved into accommodating chamber 27 and compress human body tubular tissue
200, a pair of syringe needle 253 respectively the needle tray 293 of the convex block 292 of first holder 22, second holder 23 it is convex
It is moved in the needle tray 293 of block 292 and is pierced into human body tubular tissue 200, gradually pushed human body tubular tissue 200 to distal end and collapse,
It is inserted into the connecting hole 2541 of the connector 254 to the distal end of a pair of syringe needle 253, makes to be placed in a pair of first folder
The human body tubular tissue 200 held between plate 29 is arranged on purse wire 255, is separated in syringe needle 253 with the needle sleeve 252
Afterwards, then tighten 255 formation center of purse wire gathering boundling pocket.
The closing assembly 26 has the initial position positioned at 100 proximal end of tissue closing device, is located at the tissue
The firing position of 100 distal end of closing device, when the closing assembly 26 is from initial position to firing position, the closing assembly 26
The portion of tissue 200 being located in accommodating chamber 27 is collapsed and forms the pocket of closure.
The closing assembly 26 includes can be by drivingly from the second mobile pedestal 261 of proximate, positioned at described
The nail anvil 262 of second pedestal, 261 distal end, be fixed on first holder 22 and/or the distal end of second holder 23 and with it is described
The closure nail 263 that nail anvil 262 cooperates.
The closure nail 263 is in class " mountain " font, including the first nail pin 2631, second nail parallel with the first nail pin 2631
Foot 2633, the third nail pin 2632 between the first nail pin 2631 and the second nail pin 2633, the first nail pin 2631 of connection and the
The connection nail pin 2634 of two nail pins 2633 and third nail pin 2632, the length of first nail pin 2631 and second nail pin 2633
Degree is greater than the length of the third nail pin 2632.First nail pin 2631, the second nail pin 2633 and connection nail pin 2634 are surrounded and are used for
The gathering chamber 2635 of human body tubular tissue 200 is collapsed, the third nail pin 2632 protrudes into the gathering from connection nail pin 2634
In chamber 2635.
Correspondingly, the nail anvil 262 have a pair of of nail for being matched respectively with the first nail pin 2631, the second nail pin 2633 at
Type groove 2621, when first pedestal 251 is mobile from proximate, the first nail pin 2631 and the second nail pin 2633 are described
Make in opposite directions and towards the third nail pin 2632 far from one end bending of the connection nail pin 2634 in nail forming tank 2621 described
263 formation B font of closure nail is closed at the gathering chamber 2635.
In the present embodiment, second binding block 201 includes pressing from both sides from the second grip block 20 of the second holder 23 towards first
Matrix 2011 that seat 22 protrudes out, the ennation 2012 that proximally extends from matrix 2011 towards one end of the first holder 22, it is described
Second grip block 20 of the first holder 22 has the resigning portion (not labeled) stepped down to the ennation 2012.The ennation
2012 are equipped with open the first receipts to accommodate first nail pin 2631 of the second grip block 20 towards second holder 23
Tank, described matrix 2011 are equipped with proximally facing opening to accommodate the connection container of the connected nail foot 2634, and described second
Second grip block 20 of holder 23 is equipped with towards open the second container to accommodate the second nail pin 2633 of ennation 2012.
After closure nail 263 is assemblied on second grip block 20, first nail pin 2631 is contained in described the
In one container, second nail pin 2633 is contained in second container；To in first holder 22 and described
When second holder 23 is closed, first nail pin 2631 and second nail pin 2633 are not protruded into the accommodating chamber 27,
And the gathering chamber 2635 is connected to the accommodating chamber 27.
Drive second pedestal 261 from proximate be moved to the first nail pin 2631 and the second nail pin 2633 against
In 2621 internal procedure of nail forming tank, the nail anvil 262 will gradually be located at the human body pipe between a pair of second grip block 20
Shape tissue 200 is pushed distal end to and is collapsed, and it is in the gathering chamber 2635 while described to be all introduced into the part tubular tissue 200
Third nail pin 2632 is from distally penetrating inside human body tubular tissue 200, and the first nail pin 2631 and the second nail pin 2633 will not be worn
Enter in tissue.
Second pedestal 261 continues to distal end movement, and first nail pin 2631 and the bending of the second nail pin 2633 make
Closure nail 263 forms B font, while the pocket of a closure is formed on tubular tissue 200.Due to the nail anvil during this
262 only push human body tubular tissue 200 mobile to distal end, and the percussion force needed is small；All by the tubular tissue 200 simultaneously
Be pushed into the gathering chamber 2635 makes the closure nail 263 form B font again, can make the whole positions of human body tubular tissue 200
It is followed closely in 263 in the closure, the risk of no fistula；And the third nail pin 2632 is pierced into tubular tissue 200, can prevent closure from following closely
263 fall off with tubular tissue 200 along its axial direction.
Certainly, in other embodiments, the closure can also be followed closely 263 and be set on second pedestal 261, by institute
The distal end that nail anvil 262 is set to first holder 22 and/or the second holder 23 is stated, and does adaptation in structure.It drives
Second pedestal 261 is moved from when proximate movement, tissue progresses into third described in gathering 2635 inscribe of chamber and closes
Dowel 263 penetrates tissue, and final closure nail 263 cooperatively forms the pocket of a closure with nail anvil 262.
Further, first pedestal 251 and second pedestal 261 by base joint 256 connect into one it is whole
Body, so as to fire first pedestal 251 and second pedestal 261 simultaneously from proximate by a catch bar
It is mobile.
In addition, having between first pedestal 251 and second pedestal 261 same towards being located at the tool slot 2d
Gap on straight line, the needle sleeve 252 is located at the side that first pedestal 251 deviates from second pedestal 261, described
Nail anvil 262 is located at the side that second pedestal 261 deviates from first pedestal 251.
Further, in order to while forming pocket or formed pocket after cut human body tubular tissue 200, described group
Knitting closing device 100 further includes cutter 24, and the distal end of the cutter 24 is designed to blade.The cutting edge 243 is in
When non-firing position, the blade is located in the gap of first pedestal 251, the second pedestal 261；B is formed in closure nail 263
Font, and after a pair of of syringe needle 253 connect with the connector 254, the cutter 24 continue mobile to distal end and are in and fire
When position, the cutting edge 243 is mobile to distal end out of described gap, and the blade exceeds first base from proximate
The 251, second pedestal 261 of seat, cutting tissue form two pockets.
In the present embodiment, the cutter 24 are I-shaped knife, can play closure first holder 22 and the second folder simultaneously
The effect of seat 23.Specifically, the cutter 24 are closed including the first close out sheet 241, the second close out sheet 242, connection described first
The cutting edge 243 of piece 241 and second close out sheet 242 is closed, the blade is located at the distal end of the cutting edge 243.Described
One close out sheet 241 and second close out sheet 242 are protruded out from the opposite both ends of the cutting edge 243 towards two sides or side, institute
Cutter 24 are stated in " I " fonts or in " [" type.After the cutter 24 are assembled with first holder 22 and the second holder 23,
The cutting edge 243 is located in the tool slot 2d, and first close out sheet 241 is located at first holder 22 away from described the
The side of two holders 23, second close out sheet 242 are located at the side that second holder 23 deviates from first holder 22.
Since first holder 22 is shorter than second holder 23, when second close out sheet 242 is located at described second
When the pivot hole on holder 23 is close to the side of proximal end, first close out sheet 241 is located at 22 direction of the first holder
The side of proximal end, first holder 22 and second holder 23 are openable at this time.It is cut by instrument or manually described in promotion
When cutter 24 is mobile from proximate, the cutting edge 243 is located in the tool slot 2d, first close out sheet 241, institute
State that the second close out sheet 242 is respectively acting on the first holder 22, the second holder 23 can be closed the accommodating chamber 27.
Further, the cutter 24 further include being located at the distal end of the cutting edge 243 and protruding out towards distal direction
The first push rod 244 and second push rod 245.When the cutter 24 are assembled with first holder 22 and the second holder 23
Afterwards, first push rod 244, second push rod 245 protrude into the channel 2a of first holder 22, second folder respectively
The channel 2a of seat 23；To which when the cutter 24 are mobile from proximate, first push rod 244, described second are pushed away
It is mobile from proximate that bar 245 respectively drives the pushing block 2b of first holder 22, the pushing block 2b in second holder 23.
Further, the tissue closing device 2 further includes being located in transfer connector 21 for pushing the pocket group
The first catch bar, the second catch bar, third catch bar of part 25, closing assembly 26, cutter 24 from proximate movement
211, first catch bar, the second catch bar, third catch bar 211 are connect with percussion lock 3.In first pedestal 251
It is connected into the embodiment of an entirety with second pedestal 261 by base joint 256, first catch bar and the
Two catch bars can be a catch bar 212 or two catch bars 212, it is preferred to use a catch bar 212 simultaneously acts on
In on the base joint 256.
The use process of medical instrument 100 of the invention are as follows: fill instrument body 1, percussion lock 3, tissue closing device 2
Match, before not firing, the cutter 24, the pocket component 25, closing assembly 26 are respectively positioned on initial position, and at this time described first
Holder 22 and second holder 23 are openable.
The separation of the distal end of first holder 22 and second holder 23 will be located at the part tubular of pathological tissues side
In the 200 merging accommodating chamber 27 of tissue, and the closing assembly 26 compares the pocket component 25 closer to pathological tissues；It is logical
It crosses instrument or pushes the cutter 24 mobile from proximate manually, first close out sheet 241, second close out sheet
242 are respectively acting on the first holder 22, the second holder 23 can be closed the accommodating chamber 27.At this point, tubular tissue 200 acts on
The convex block 292 makes the convex block 292 mobile towards the clip shell 28, closes so that lesser power can be closed the tissue
It attaches together and sets 2.
Drive the cutter 24 from proximate movement, first push rod 244, institute by third catch bar 211
State the second push rod 245 push respectively pushing block 2b in the channel 2a of first holder 22, second holder 23 from proximal end to
Distal end is mobile, and the pushing block 2b gradually drives the convex block 292 mobile away from the clip shell 28 from proximate, the convex block
292, which act on human body tubular tissue 200, makes it in undaform.
At the same time, base joint 256 is pushed to make the first pedestal 251 and the second pedestal 261 certainly by catch bar 212
Proximate is mobile.First pedestal 251 is from proximate moving process, and a pair of syringe needle 253 is respectively described the
One holder 22, second holder 23 convex block 292 needle tray 293 in move with the viscous of penetrating tubular tissue 200 by phased manner
Film layer；Push tubular tissue 200 mobile to distal end simultaneously, until a pair of of syringe needle 253 is connect with connector 254；When the pushing block
When 2b continues mobile to distal end, support of the wavy convex block 292 due to losing the pushing block 2b is formed before, and
First grip block 29 is return back to again under the pressure of tissue to be formed by with first holder 22 or second holder 23
In the 2a of channel, without hindering other mechanisms to continue distal movement.The nail anvil 262 pushes tubular tissue 200 to distal end simultaneously
Movement is simultaneously all collapsed in the gathering chamber 2635, until closure nail 263 is formed by bending B font, shape in nail forming tank 2621
At the pocket of closure.
The human body tubular tissue 200 in accommodating chamber 27 is passed through to a pair of of syringe needle 253 and the connector 254 to syringe needle 253
Connection, and after 263 formation B font of closure nail, the elastic slice 2c pushes the pushing block 2b towards the side for deviating from the clip shell 28
It steps down to mobile to first push rod 244 and second push rod 245, the third catch bar 211 continues to press on described cut
Cutter 24 is mobile to distal end, and the blade cuts off the tubular tissue 200 between two pockets；Retract pocket component 25,
26 cutter 24 of closing assembly form the pocket of a closure in the side close to pathological tissues, can close the end of pathological tissues
Mouthful；It is formed simultaneously a threading but not fully closed pocket, the state of two pockets is as shown in Figure 15 ~ Figure 16.
Implement above-mentioned steps in the other side of pathological tissues, to form another threading but not closed pocket, and makes
The both ends for obtaining pathological tissues are closed；After pathological tissues take out in vitro from natural channel, purse wire 255, shape can be tensed manually
At the boundling pocket that a center is collapsed, it is convenient for subsequent anastomosis operation.It will be appreciated by persons skilled in the art that for example, by using
When circular-pipe anastomat connects the tissue of two sections of detachments, round tube stapler can be placed in not closed pocket, then drawn manually
Nearly purse wire 255.
In conclusion tissue closing device 2 of the invention is by pocket component 25 and closing assembly 26 in pathological tissues
Side forms two pockets, in particular by closing assembly 26 in one closure pocket of a formation close to pathological tissues, envelope
Close pathological tissues end；Thread but do not close by tubular tissue 200 of the pocket component 25 to the other side, to pathological tissues
It after being taken out in vitro from natural channel, then carries out take-up and closes to form pocket, convenient for the operation of next step anastomosis.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (19)
1. a kind of tissue closing device, the tissue closing device includes can the first holder, the second folder with respect to opened/closed
Accommodating chamber is formed after seat, first holder and second holder closure；It is characterized in that, the tissue closing device also wraps
It includes along the spaced pocket component of the tissue closing device width direction, closing assembly；
The pocket component has the initial position positioned at the tissue closing device proximal end, is located at the tissue closing device
The firing position of distal end, when the pocket component is from initial position to firing position, the pocket component will be located in accommodating chamber
Portion of tissue collapse be in non-tightening state pocket；
The closing assembly has the initial position positioned at the tissue closing device proximal end, is located at the tissue closing device
The firing position of distal end, when the closing assembly is from initial position to firing position, the closing assembly will be located in accommodating chamber
Portion of tissue collapse and form the pocket of closure.
2. tissue closing device according to claim 1, it is characterised in that: first holder, the second holder phase
Pair clamping face on all have from the spaced several convex blocks of proximate, the convex block is equipped with and passes through from proximate
The needle tray wearing the convex block and being connected to the accommodating chamber；Convex block on first holder and second holder from proximal end to
Distal end shifts to install, and when first holder and second holder closure, on first holder and second holder
Convex block formed undaform clamping gap；
A pair of of syringe needle, a pair of needle of connection that the pocket component has the first pedestal, is movably connected on first pedestal
The purse wire of the proximal end of head is fixed on first holder and/or second holder distal end and cooperates with a pair of syringe needle
Connector；The pocket component has the initial position positioned at the tissue closing device proximal end, is located at the tissue closure
The firing position of device distal end, when the pocket component is from initial position to firing position, the syringe needle is penetrated positioned at accommodating chamber
Interior portion of tissue is simultaneously connect with the connector.
3. tissue closing device according to claim 2, it is characterised in that: first holder and second holder are equal
Including clip shell, be fixed in each clip shell and with the first grip block of pocket component cooperation, be located at the clip shell with
Between first grip block and from proximate extend channel；Have on first grip block between proximate
Every be arranged and be connected to several openings in the channel and the accommodating chamber, the convex block is located in the opening and can be described
Along the direction perpendicular to the grip block close to or far from the clip shell in opening；The tissue closing device further includes can be by
It is drivingly mobile gradually to drive the convex block court on first grip block to deviate from from proximate in the channel
The pushing block that the direction of the clip shell is moved, after the pushing block is moved to distal end, described in the convex block disengaging positioned at the pushing block proximal end
Pushing block.
4. tissue closing device according to claim 3, it is characterised in that: on one in the opening and the convex block
Column is oriented equipped at least one, another is equipped with the guide slot to match with the orientation column；The orientation column with it is described fixed
It is matched to slot to guide the convex block close or away from clip shell movement.
5. tissue closing device according to claim 3, it is characterised in that: the convex block includes opposite and spaced
The connection wall of first wall and the second wall, connection first wall and second wall, first wall, the second wall and the connection
Wall, which encloses, to be set to form the open needle tray in the side for facing away from the connection wall;The connection wall is equipped at least one from the company
The limit film that the side of wall protrudes outward is connect, the limit film rides over the opening when the convex block is mobile away from the clip shell
Edge play the role of limit its continue to move to.
6. tissue closing device according to claim 3, it is characterised in that: each convex block is towards the one of the clip shell
Side has the inclined surface positioned at proximal end, the plane positioned at the inclined surface distal end；The pushing block have positioned at distal end and with it is described
The inclined plane part of inclined surface cooperation, the planar portions positioned at the inclined plane part proximal end.
7. tissue closing device according to claim 6, it is characterised in that: the planar portions are along proximate direction
Width be greater than width of the convex block on proximate direction.
8. tissue closing device according to claim 2, it is characterised in that: the pocket component further includes being set to described the
With a pair of of needle sleeve of fixed a pair of of syringe needle on one pedestal, the needle sleeve both ends open and be in hollow form, and each institute
Stating needle hub has cable tray that is open towards another needle hub and extending from proximate.
9. tissue closing device according to claim 2, it is characterised in that: the distal end of at least one first grip block
Equipped with the first binding block protruded out towards another first grip block；First binding block has along first grip block
Spaced a pair of of the wall of width direction, a pair of of wall are cooperatively provided with the insertion slot for planting the connector,
After the connector is inserted into the insertion slot, the connecting hole be located in the gap between a pair of of wall and the connecting hole certainly
Proximate penetrates through the connector.
10. tissue closing device according to claim 1, it is characterised in that: first holder and second holder
Include clip shell, is fixed on the second grip block in each clip shell with closing assembly cooperation；The closing assembly includes energy
It is enough drivingly to be followed closely in the accommodating chamber from the second mobile pedestal of proximate, closure, make the closure nail closure
Nail anvil, the closure nail and one in the nail anvil are set to the second pedestal distal end, another is set to described first
The distal end of holder and/or second holder；The closing assembly has the initial bit positioned at the tissue closing device proximal end
It sets, the firing position positioned at the tissue closing device distal end, when the pocket component is located at firing position, the closure nail is received
Hold together to be located at the portion of tissue in accommodating chamber and forms closure pocket.
11. tissue closing device according to claim 10, it is characterised in that: at least one second grip block it is remote
End is equipped with the second binding block for protruding out towards another second grip block, and second binding block includes the from the second holder
The ennation that matrix that two grip blocks are protruded out towards the first holder, one end from matrix towards the first holder proximally extend, separately
One second grip block has the resigning portion stepped down to the ennation；Closure nail is fixed on the ennation, described
Between matrix, second grip block with described matrix, the nail anvil is fixed on the distal end of second pedestal.
12. tissue closing device according to claim 11, it is characterised in that: closure nail include the first nail pin, with
The second parallel nail pin of first nail pin, the third nail pin between the first nail pin and the second nail pin, the first nail pin of connection and the
The connection nail pin of two nail pins and third nail pin；Described matrix is fixed on the second grip block of the second holder, first holder
The second grip block there is the resigning portion stepped down to the ennation；The ennation is equipped with the towards second holder
Open the first container to accommodate first nail pin of two grip blocks, it is described to accommodate that described matrix is equipped with proximally facing opening
The connection container of nail pin is connected, the second grip block of second holder is equipped with open to accommodate the second nail pin towards ennation
The second container.
13. tissue closing device according to claim 1, it is characterised in that: the tissue closing device further includes difference
For pushing the first catch bar, the second catch bar of the pocket component, closing assembly from proximate movement.
14. tissue closing device according to claim 10, it is characterised in that: the pocket component have the first pedestal,
Be movably connected on a pair of of syringe needle of first pedestal, the proximal end of a pair of syringe needle of connection purse wire, be fixed on described the
One holder and/or second holder distal end and the connector cooperated with a pair of syringe needle；The tissue closing device also wraps
It includes and connects the base joint of first pedestal and the second pedestal in proximal end, proximally acts on the base joint to drive
Move the pocket component and the closing assembly catch bar mobile from proximate.
15. tissue closing device according to claim 1, it is characterised in that: the tissue closing device further includes cutting
The distal end of knife, the cutter is designed to blade；First holder and second holder all have from proximate
The tool slot of extension, the pocket component, the closing assembly are divided into the two sides of the tool slot；The cutter are in not
When firing position, the blade is between the pocket component, the closing assembly；The cutter are in firing position
When, the blade exceeds the pocket component, the closing assembly from proximate.
16. tissue closing device according to claim 15, it is characterised in that: the cutter are I-shaped knife, described to cut
Cutter includes the cutting edge of the first close out sheet, the second close out sheet, connection first close out sheet and second close out sheet, described
Blade is located at the distal end of the cutting edge；After the cutter and the assembly of first holder and the second holder, the cutting edge
In the tool slot, first close out sheet is located at the side that first holder deviates from second holder, and described the
Two close out sheet are located at the side that second holder deviates from first holder.
17. tissue closing device according to claim 3, it is characterised in that: the tissue closing device further includes being located at
The distal end in each channel is to drive the pushing block towards the elastic slice mobile away from the direction of the clip shell；The tissue closure dress
Setting further includes cutter, and the distal end of the cutter is designed to blade；The cutter include the distal end court from the blade
To the first push rod and the second push rod distally protruded out, first push rod, second push rod are respectively at first holder
Channel, second holder channel in push the pushing block mobile from proximate.
18. tissue closing device described in any one of 5 ~ 17 according to claim 1, it is characterised in that: the tissue closure
Device further includes the third catch bar for pushing the cutter mobile from proximate.
19. a kind of medical instrument, including instrument body, it is removably attachable to the tissue closure dress of the instrument body distal end
It sets, be connected to the percussion lock for firing the tissue closing device in the instrument body, it is characterised in that: the tissue closes
It attaches together and is set to tissue closing device described in any one of claim 1 ~ 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645093.2A CN105997176B (en) | 2016-08-08 | 2016-08-08 | tissue closing device and medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645093.2A CN105997176B (en) | 2016-08-08 | 2016-08-08 | tissue closing device and medical instrument |
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| CN105997176A CN105997176A (en) | 2016-10-12 |
| CN105997176B true CN105997176B (en) | 2018-12-07 |
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| CN201610645093.2A Active CN105997176B (en) | 2016-08-08 | 2016-08-08 | tissue closing device and medical instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0604789A1 (en) * | 1992-12-31 | 1994-07-06 | K. Widmann Ag | Surgical clamping element for making a purse string |
| US5342389A (en) * | 1992-04-28 | 1994-08-30 | Habley Medical Technology Corporation | Tissue manipulator |
| EP0598976B1 (en) * | 1992-10-27 | 2000-07-12 | American Cyanamid Company | Surgical purse string suturing instrument |
| CN203564294U (en) * | 2013-09-23 | 2014-04-30 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string forceps |
| CN203564285U (en) * | 2013-09-23 | 2014-04-30 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string clamp |
| CN104434243A (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 |
| CN105105820A (en) * | 2015-07-10 | 2015-12-02 | 高宏 | Knotting-free purse string forceps for endoscope |
| CN206414306U (en) * | 2016-08-08 | 2017-08-18 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medicine equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014109751A1 (en) * | 2013-01-10 | 2014-07-17 | Empire Technology Development, Llc | Diverticula removal clamp |
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2016
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| US5342389A (en) * | 1992-04-28 | 1994-08-30 | Habley Medical Technology Corporation | Tissue manipulator |
| EP0598976B1 (en) * | 1992-10-27 | 2000-07-12 | American Cyanamid Company | Surgical purse string suturing instrument |
| EP0604789A1 (en) * | 1992-12-31 | 1994-07-06 | K. Widmann Ag | Surgical clamping element for making a purse string |
| CN203564294U (en) * | 2013-09-23 | 2014-04-30 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string forceps |
| CN203564285U (en) * | 2013-09-23 | 2014-04-30 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string clamp |
| CN104434243A (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 |
| CN105105820A (en) * | 2015-07-10 | 2015-12-02 | 高宏 | Knotting-free purse string forceps for endoscope |
| CN206414306U (en) * | 2016-08-08 | 2017-08-18 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medicine equipment |
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| CN105997176A (en) | 2016-10-12 |
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