CN106913361B - Tissue closure component and medical instrument including the tissue closure component - Google Patents
Tissue closure component and medical instrument including the tissue closure component Download PDFInfo
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- CN106913361B CN106913361B CN201511003018.8A CN201511003018A CN106913361B CN 106913361 B CN106913361 B CN 106913361B CN 201511003018 A CN201511003018 A CN 201511003018A CN 106913361 B CN106913361 B CN 106913361B
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- holder
- clamping
- clamping device
- closure component
- tissue closure
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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
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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
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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
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
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- Life Sciences & Earth Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
Present invention discloses a kind of tissue closure component medical instruments.The tissue closure component includes: the first holder, the second holder, clamping device, closing device；The first end of the clamping device can be by drivingly mobile from the proximate of the first holder and the second holder；The first end of the clamping device includes an expanded position and a curling position, is greater than at a distance from the second end of the clamping device when it is located at the curling position when first end is located at expanded position at a distance from second end；The closing device includes the closure nail and drip molding for being divided into clamping device distance both ends, and at least when the first end of the clamping device is located at curling position, the free end of the closure nail can be shaped by being bent after the clamping device by the forming block.The present invention forms the boundling pocket that center is collapsed by tissue closing device, reduces the risk that fistula is generated after subsequent circular-pipe anastomat coincide and operation cost.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of tissue closure component and including the tissue closure group
The medical instrument of part.
Background technique
In existing gastral anastomosis operation, generally first using linear type or arc line type stapler to tubular tissue into
The detachment of row multi-angle is coincide, and is reused circular-pipe anastomat and dock to the tissue after detachment and coincide.
However, after being coincide using linear type or arc line type stapler to tubular tissue progress detachment, due to previous anastomotic
Be it is linear, especially when doing low rectal position, due to being limited by human body basin bottom operating space and its straight line
The limitation of type instrument pivot angle, it may appear that intersect nail phenomenon, in this way, " cat ear can be had by reusing when circular-pipe anastomat coincide
Piece ", not only there is the risk of fistula, but also higher cost of performing the operation.
Summary of the invention
The purpose of the present invention is to provide a kind of tissue closure component and the medical instrument including the tissue closure component.
One of for achieving the above object, an embodiment of the present invention provides a kind of tissue closure component, comprising: can phase
The first holder and the second holder, clamping face to opening and closing are set between first holder and second holder and use
In the clamping device of clamping tubular tissue；
The first end of the clamping device can by drivingly from the proximal end of first holder and second holder to
The distal end of first holder and second holder is mobile, to change the appearance profile of the clamping device；Wherein, the folder
The first end for holding device includes an expanded position and a curling position, and the first end of the clamping device is located at expanded position
When be greater than when it is located at the curling position at a distance from the second end of the clamping device and the clamping device second
The distance of end；
The tissue closure component further includes closing device, and the closing device includes being divided into the clamping device distance
At least one closure nail at both ends and at least one drip molding, the closure nail, the clamping device and the drip molding are set
Be set to: at least when the first end of the clamping device is located at curling position, the free end of the closure nail can be by described
It is bent and shapes by forming block after clamping device.
As the further improvement of an embodiment of the present invention, the clamping device includes the of connection first holder
The proximal end of one clamping piece and the second clamping piece for connecting second holder, described first clamping member and second clamping piece is equal
It is connected with push rod.
As the further improvement of an embodiment of the present invention, each clamping piece includes multiple clamping pieces, each clamping piece
It is pivotally connected with adjacent clamping piece；
When first holder and second holder are closed, described first clamping member and second clamping piece are in tooth
Shape interlocks.
As the further improvement of an embodiment of the present invention, guide hole/slot is equipped on each clamping piece；
At least when first holder and second holder are closed and the first end of the clamping device is located at gathering
When position, guide hole/slot on each clamping piece has lap on closure nail free end moving direction, is allowed with being formed
The perforation that closure nail free end passes through.
As the further improvement of an embodiment of the present invention, each clamping chip architecture is consistent comprising ontology, Yi Jiyou
The first connecting portion and second connecting portion that the ontology both ends are extended, the first connecting portion and second connecting portion are equipped with out
Mouthful, one of two openings are the guide hole/slot on each clamping piece.
As the further improvement of an embodiment of the present invention, two adjacent clamping pieces pass through the first connection on one
Portion and it is another on second connecting portion it is cooperatively hinged, wherein the first connecting portion on one can be placed in second on another
In the opening of interconnecting piece.
As the further improvement of an embodiment of the present invention, on the opposite face of first holder and second holder
It is respectively provided with the guide groove longitudinally extended,
The described first clamping member in part and part second clamping piece are respectively arranged at first holder and the second folder
In the guide groove of seat, wherein
First holder and second holder are also respectively formed with and institute are connected to and be symmetrically disposed on the guide groove
State the guide slide of guide groove two sides；The guide slide is consistent with the extending direction of the guide groove and is arranged in parallel；
Described first clamping member and second clamping piece are equipped with the multiple guide rods cooperated with the guide slide, described to lead
The both ends of bar are respectively arranged in the guide slide of two sides, and can be moved along the guide slide, the guide slide upper and lower side
It is limited in face of the guide rod, prevents the guide rod from deviating from the guide slide.
As the further improvement of an embodiment of the present invention, the distal tip of described first clamping member and first folder
The opposing stationary setting of seat, the distal tip of second clamping piece and the opposing stationary setting of the second holder, first folder
The hinge axis that gripping member and second clamping piece are built in the guide groove is set as the guide rod.
As the further improvement of an embodiment of the present invention, when the first end of the clamping device is located at expanded position
When, adjacent clamping piece institute is angled in described first clamping member and second clamping piece is greater than or equal to 90 degree.
As the further improvement of an embodiment of the present invention, the forming block is set to first holder and described
In at least one of two holders, positioned at the distal end of the clamping device.
As the further improvement of an embodiment of the present invention, the proximal end of the forming block is equipped with forming surface.
As the further improvement of an embodiment of the present invention, the forming block is set on the first holder, and described second
Holder is equipped with receptacle corresponding with the forming block position, when first holder and second holder closure, institute
The a part for stating forming block is inserted vertically into the receptacle, positions first holder and described the with receptacle cooperation
Two holders.
As the further improvement of an embodiment of the present invention, the tissue closure component further includes trigger shaft, described to hit
Hair bar is connect with the proximal end of the closure nail.
One of for achieving the above object, an embodiment of the present invention provides a kind of medical instrument, including instrument body,
The percussion handle of the instrument body is connected, the medical instrument further includes that tissue described in any one of the above technical solution closes
Seaming element, the tissue closure component are connect with the instrument body.
Compared with prior art, the beneficial effects of the present invention are: pass through tissue closure component formed center collapse collection
Beam pocket reduces the risk that " cat ear " and fistula are generated after subsequent circular-pipe anastomat coincide, meanwhile, easy to operate, user
Just, reduce operation cost.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of medical instrument in an embodiment of the present invention；
Fig. 2 is that solid of the tissue closure component when the first holder and the second holder are opened is shown in an embodiment of the present invention
It is intended to；
Fig. 3 is that solid of the tissue closure component when the first holder and the second holder are closed is shown in an embodiment of the present invention
It is intended to；
Fig. 4 is the stereoscopic schematic diagram of clamping device and closing device in an embodiment of the present invention；
Fig. 5 a is the perspective view of the first holder and first clamping member cooperation in an embodiment of the present invention；
Fig. 5 b is the cross-sectional view of the first holder and first clamping member cooperation in an embodiment of the present invention；
Fig. 6 is the perspective view of clamping device in an embodiment of the present invention, closure nail and trigger shaft；
Fig. 7 is the stereoscopic schematic diagram in an embodiment of the present invention after the bending of closure nail.
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, near operation is leaned on
One end of person is proximal end, and one end far from operator is distal end.
As shown in Figure 1, the medical instrument can be used for alimentary canal the invention discloses a kind of embodiment of medical instrument
Anastomosis operation in comprising instrument body 10 is pivotally connected to the percussion lock 20 of the instrument body 10 and removable
Ground connects the tissue closure component 30 of the instrument body 10.Generally, the tissue closure component 30 is set to the instrument
The distal end of ontology 10.
The instrument body 10 can substantially continue to use the instrument body structure of existing linear type or arc line shaped stapler, can also
With individually designed, it is to be understood that as long as the structure of the instrument body 10 can cooperate tissue closure component 30 to work,
As long as i.e. the instrument body 10 is able to achieve closure the first holder 303a and the second holder 303b, clamping device 305 is pushed to collapse, with
And clamping device 305 of the closure nail after gathering is pushed to form, details are not described herein.Below mainly to tissue closure group
Part 30 is described in detail.
As shown in Figure 2, Figure 3, Figure 4, the tissue closure component 30 includes interconnecting piece 301, opposite can be opened and closed
First holder 303a and the second holder 303b, clamping face are set between the first holder 303a and the second holder 303b
For clamping the clamping device 305 of tubular tissue.Wherein, the first holder 303a and the second holder 303b is pivotally connected.
Wherein, the first end 305a of the clamping device 305 can be by drivingly from the first holder 303a and described
The proximal end of second holder 303b is mobile to the distal end of the first holder 303a and the second holder 303b, to change the folder
Hold the appearance profile of device 305.
The first end 305a of the clamping device 305 includes an expanded position and a curling position, the clamping device
It is greater than its position when 305 first end 305a is located at expanded position at a distance from the second end 305b of the clamping device 305
When the curling position at a distance from the second end 305b of the clamping device 305.
Further, when the first end 305a of the clamping device 305 is located at expanded position, the clamping device 305
Height of whole height when being located at curling position lower than it.
It is understood that when the first end 305a of the clamping device 305 is located at expanded position and curling position,
Its clamping face can be wavy, when only the first end 305a of the clamping device 305 is located at expanded position, Wave crest and wave trough
The first end 305a is located at more gentle when curling position.The tissue closure component 30 further includes closing device, institute
Stating closing device includes at least one the closure nail 40 and at least one drip molding for being divided into the far and near both ends of the clamping device 305
3071, the fit structure of the closure nail 40, the clamping device 305 and the drip molding 3071 is arranged to: at least working as institute
The first end 305a for stating the first holder 303a and the second holder 303b closure and the clamping device 305 is located at stowed position
When setting, the free end of the closure nail 40 can be shaped by being bent after the clamping device 305 by the forming block 3071, this reality
The example technique scheme for applying mode can join the explanation of following combination Fig. 6.
It is understood that the fit structure of the closure nail 40, clamping device 305 and drip molding 3071 also can be set
Are as follows: when the first holder 303a and the second holder 303b is closed, no matter the first end 305a of the clamping device 305, which is located at, is appointed
The free end of meaning position, the closure nail 40 can be by being bent into after the clamping device 305 by the forming block 3071
Shape, but as long as guarantee that the first end 305a of the clamping device 305 is located at curling position, the closure nail 40 can pass through folder
Hold after device 305 technical effect that can be realized in present embodiment by the bending forming of forming block 3071.
Further, the forming block 3071 is set to the first holder 303a and the second holder 303b at least
On one of them, and it is located at the distal end of the clamping device 305.For example, the forming block 3071 is set to first holder
Perhaps the forming block 3071 is set on the holder 303b on 303a or a part of the forming block 3071 is arranged
In on the first holder 303a, another part is set on the second holder 303b, when the first holder 303a and institute
When stating the second holder 303b closure, the forming block portion point being set on two holders 303a, 303b, which can match, is combined into the forming
Block 3071.
In the present embodiment, by taking the forming block 3071 is set on the second holder 303b as an example.
In this example, the first holder 303a is equipped with receptacle corresponding with 3071 position of forming block
3073, so-called position correspondence refers to, when the first holder 303a and the second holder 303b is closed, the forming block
3071 a part can be vertically inserted into the receptacle 3073, position first holder with the receptacle 3073 cooperation
303a and the second holder 303b, in this way, tubular tissue can be prevented when the clamping device 305 clamps tubular tissue
It overflows.
It is understood that the proximal end of the forming block 3071 is equipped with forming surface, the shape of the forming surface can be company
Continuous arc surface, or the forming tank being separately provided or other modes as shown in Figure 4.The shape of the forming surface is determined
The shape of closure nail bending forming is determined.
Further, the clamping device 305 includes first clamping member 3051a and the company for connecting the first holder 303a
Meet the second clamping piece 3051b of the second holder 303b.
The proximal end of first clamping member 3051a and the proximal end of the second clamping piece 3051b constitute institute
State the first end 305a of clamping device 305.
The distal end of the distal end of first clamping member 3051a and the second clamping piece 3051b constitute institute
State the second end 305b of clamping device 305.
Wherein, (ginseng Fig. 3), described first clamping member when the first holder 303a and the second holder 303b is closed
3051a and the second clamping piece 3051b interlock in dentation, in the present embodiment, between tooth and tooth can there are gaps.Such as
This, the clamping face of the clamping device 305 is also in dentation, can form the tubular tissue being placed in the clamping device 305
Uniform wave structure.
Further, in the present embodiment, when the first end 305a of the clamping device 305 is located at expanded position
When, adjacent clamping piece institute is angled on first clamping member 3051a and the second clamping piece 3051b is greater than or equal to 90
Degree, is put into tubular tissue to facilitate, and clamping tubular tissue during subsequent closure.
As shown in Fig. 5 a, 5b, each clamping piece 3051a, 3051b include multiple clamping pieces 30511, each clamping piece
3051a, 3051b proximal end, which are pivotally connected, push rod 309.
Because of the structure of first clamping member 3051a and the second clamping piece 3051b, pressed from both sides with the first holder 303a and second
The matching relationship of seat 303b and it is identical as the connection relationship of push rod 309, thus for illustrating only first clamping member 3051a into
Row explanation.
Further, each clamping piece 30511 is pivotally connected with adjacent clamping piece.It is appreciated that adjacent two clamping piece
30511 only carried out by a pivoting point it is from beginning to end, in this way, just can guarantee that adjacent two clamping piece 30511 can mutually be swung,
It constitutes and is pivotally connected.The push rod 309 can by the manipulation in instrument body 10, drive first clamping member 3051a and
The proximal end of the second clamping piece 3051b is from proximal and distal movement, so that the first end 305a of the clamping device 305
Curling position is moved to from expanded position.
Certainly, in case of need, the push rod 309 can also drive first clamping member 3051a and described
The proximal end of two clamping piece 3051b is from remote and close movement, so that the first end 305a of the clamping device 305 is from gathering
Position is moved to expanded position.In this way, can facilitate after the completion of closure, the tissue after taking out closure.
Further, in the present embodiment, on the opposite face of the first holder 303a and the second holder 303b
It is respectively provided with the guide groove 3031 longitudinally extended.
Part first clamping member 3051a's and part the second clamping piece 3051b is respectively arranged at described first
In the guide groove 3031 of holder 303a and the second holder 303b, certainly, first clamping member 3051a and second clamping piece
The clamping face of 3051b is exposed to outside the guide groove 3031, wherein
The first holder 303a and the second holder 303b be also respectively formed be connected to the guide groove 3031 and
It is symmetrically disposed on the guide slide 3033 of 3031 two sides of guide groove；The guide slide 3031 prolongs with the guide groove 3033
It stretches direction unanimously and is arranged in parallel；
First clamping member 3051a and the second clamping piece 3051b, which is equipped with, to be cooperated with the guide slide 3033
The both ends of multiple guide rods 30513, the guide rod 30513 are respectively arranged in the guide slide 3033 of two sides, and can be led along described
Mobile to slideway 3033,3033 upper and lower end face of guide slide limits the guide rod 30513, makes the guide rod
30513 cannot deviate from the guide slide 3033.Generally, the distance of the upper and lower end face of the guide slide 3033 is set as omiting
Greater than 30513 diameter of the guide rod, so, it is ensured that the guide rod 30513 can be smooth in the guide slide 3033
Ground is mobile.
Further, the distal tip of first clamping member 3051a and the opposing stationary setting of the first holder 303a,
The distal tip and the opposing stationary setting of the second holder 303b of the second clamping piece 3051b, described first clamping member
The hinge axis that 3051a and the second clamping piece 3051b are contained in the guide groove 3033 is set as the guide rod 30513.
As shown in fig. 6, in the present embodiment, the tissue closure component further includes trigger shaft 60, the trigger shaft
Distal face is equipped with nailed groove (not shown), and the closure nail 40 is set in the nailed groove of 60 distal end of trigger shaft.
Further, in the present embodiment, guide hole/slot (form of through hole is equipped on each clamping piece 30511
It can be realized with the form of slot)；At least when the first holder 303a and the second holder 303b closure and the clamping
When the first end of device 305 is located at curling position, guide hole/slot on each clamping piece 30511 is moved in closure nail free end
There is lap on dynamic direction, to form the perforation 50 for allowing to be closed 40 free ends of nail and passing through.
It is understood that when the first holder 303a and the second holder 303b are closed, no matter the clamping device 305
First end 305a is located at any position, on the clamping piece 30511 of first clamping member 3051a and the second clamping piece 3051b
Guide hole/slot can be formed and allow to be closed the nail perforation 50 that passes through of 40 free ends, but as long as guaranteeing the clamping device 305
First end 305a when being located at curling position, the clamping piece of first clamping member 3051a and the second clamping piece 3051b
Guide hole/slot on 30511, which can be formed, allows to be closed the perforation 50 that 40 free ends of nail pass through, and can be realized in present embodiment
Technical effect.
Further, each 30511 structure of clamping piece is set as consistent comprising ontology 305111, and by the ontology
The first connecting portion 305113 and second connecting portion 305115 that 305111 both ends are extended, the first connecting portion 305113 and
Two interconnecting pieces 305115 are equipped with opening, and one of two openings are the guide hole/slot on each clamping piece 30511.
In the present embodiment, two adjacent clamping pieces 30511, the opening of the first connecting portion 305113 of one of clamping piece are set as
Guide hole/the slot；The opening of the second connecting portion 305115 of another clamping piece is set as the guide hole/slot.
Further, two adjacent clamping piece 30511, by first connecting portion 305113 on one and it is another on
Two interconnecting pieces 305115 are cooperatively hinged, wherein first connecting portion 305113 can be placed in the opening of second connecting portion 305115
It is interior.
As shown in fig. 7, the closure nail 40 in the tissue closure component has opening portion in an embodiment of the present invention
401, the bottom 403 opposite with opening portion, and side wall 405a, 405b for being connect with bottom, described side wall 405a, 405b are formed
The free end of the closure nail 40.
In the present embodiment, the end of described side wall 405a, 405b are set as spininess, to penetrate the tubulose after collapsing
Tissue is closed.
In closing course, when the first end of first holder and second holder closure and the clamping device
When positioned at curling position, the free end of the closure nail 40 and the drip molding 3071 are opposite；First end of the clamping device
After end is located at curling position, the free end of the closure nail 40 penetrates the tubular tissue after collapsing and is acted on by pushing slice of nail and bent,
Form shape after closure as shown in Figure 7.
Further, it is equipped at least one sharp portion 407 on the bottom 403 of the closure nail 40, in closure tissue
Increase afterwards and grab histozoic dynamics, prevents tissue from disengaging.
The closure nail can be metal nail, be also possible to have some strength and the other materials of elasticity to be made by other.
The medical instrument of an embodiment of the present invention is in use:
The clamping device of the first holder 303a and the second holder 303b that first tubular tissue can be placed under opening state
Between 305, and it is closed the first holder 303a and the second holder 303b, meanwhile, pass through forming block 3071 and receptacle 3073
Cooperation prevent the spilling of tubular tissue；
It is acted on by the percussion lock 20 of medical instrument, first passes through push rod 309 for the first end of the clamping device 305
It is pushed into curling position from expanded position, in this way, the outer of the tubular tissue being placed in the clamping device 305 can be changed accordingly
Shape profile, so that tubular tissue has lap in substantially waveform, and on closure nail free end moving direction；
Then, then by the percussion lock 20 of medical instrument act on, push trigger shaft 60, closure nail free end is made to pass through institute
Clamping device 305 is stated, i.e., across wavy tubular tissue, and bends the closure eventually by the forming block 3071 and follows closely
40 free end forms the boundling pocket collapsed at center on tubular tissue, reduces after subsequent circular-pipe anastomat coincide and generates
The risk of " cat ear " and fistula, in addition, when being closed tissue, it is only necessary to once-through operation, it is easy to use, reduce operation at
This.
Such pocket mode, so that closure nail pierces through the mucous layer for arriving tubular tissue completely, the pocket of formation is more reliable,
So that tissue is not easy to glide in external force de- in subsequent use tubular type Mechanical Suture.Simultaneously as the folder of clamping device 305
It holds that face is wavy, thus effectively reduces the length of tissue closure component, enable it to preferably enter human body basin bottom more
Deep position.
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 (14)
1. a kind of tissue closure component, which is characterized in that the tissue closure component includes: can opposite first opened and closed
Holder and the second holder, clamping face are set between first holder and second holder for clamping the folder of tubular tissue
Hold device；
The first end of the clamping device can be by drivingly from the proximal end of first holder and second holder to described
The distal end of first holder and second holder is mobile, to change the appearance profile of the clamping device；Wherein, the clamping dress
The first end set includes an expanded position and a curling position, when the first end of the clamping device is located at expanded position and
The distance of the second end of the clamping device is greater than second end when it is located at the curling position with the clamping device
Distance；
The tissue closure component further includes closing device, and the closing device includes being divided into clamping device distance both ends
At least one closure nail and at least one drip molding, the closure is followed closely, the clamping device and the drip molding are arranged to:
At least when first holder and second holder are closed and the first end of the clamping device is located at curling position, institute
The free end for stating closure nail can be shaped by being bent after the clamping device by forming block.
2. tissue closure component according to claim 1, which is characterized in that the clamping device includes connection described first
First clamping member of holder and the second clamping piece for connecting second holder, described first clamping member and second clamping piece
Proximal end be respectively connected with push rod.
3. tissue closure component according to claim 2, which is characterized in that each clamping piece includes multiple clamping pieces, often
A clamping piece and adjacent clamping piece are pivotally connected；
When first holder and second holder are closed, described first clamping member and second clamping piece are handed in dentation
It is wrong.
4. tissue closure component according to claim 3, which is characterized in that be equipped with guide hole/slot on each clamping piece；
At least when first holder and second holder are closed and the first end of the clamping device is located at curling position
When, guide hole/slot on each clamping piece has lap on closure nail free end moving direction, allows to be closed to be formed
The perforation that nail free end passes through.
5. tissue closure component according to claim 4, which is characterized in that each clamping chip architecture is consistent comprising this
Body, and the first connecting portion and second connecting portion extended by the ontology both ends, the first connecting portion and the second connection
Portion is equipped with opening, and one of two openings are the guide hole/slot on each clamping piece.
6. tissue closure component according to claim 5, which is characterized in that two adjacent clamping pieces, by one
First connecting portion and it is another on second connecting portion it is cooperatively hinged, wherein the first connecting portion on one can be placed in another
On second connecting portion opening in.
7. tissue closure component according to claim 6, which is characterized in that first holder and second holder
The guide groove longitudinally extended is respectively provided on opposite face,
The described first clamping member in part and part second clamping piece are respectively arranged at first holder and the second holder
In guide groove, wherein
First holder and second holder, which are also respectively formed with, is connected to the guide groove and is symmetrically disposed on described lead
To the guide slide of slot two sides；The guide slide is consistent with the extending direction of the guide groove and is arranged in parallel；
Described first clamping member and second clamping piece are equipped with the multiple guide rods cooperated with the guide slide, the guide rod
Both ends are respectively arranged in the guide slide of two sides, and can be moved along the guide slide, the guide slide upper and lower end face pair
The guide rod is limited, and prevents the guide rod from deviating from the guide slide.
8. tissue closure component according to claim 7, which is characterized in that the distal tip of described first clamping member and institute
State the opposing stationary setting of the first holder, the distal tip of second clamping piece and the opposing stationary setting of the second holder, institute
It states first clamping member and hinge axis that second clamping piece is built in the guide groove is set as the guide rod.
9. tissue closure component according to claim 3, which is characterized in that when the first end of the clamping device is located at
Adjacent clamping piece institute is angled when expanded position, in described first clamping member and second clamping piece is greater than or equal to 90
Degree.
10. tissue closure component according to claim 1, which is characterized in that the forming block is set to first folder
In at least one of seat and second holder, positioned at the distal end of the clamping device.
11. tissue closure component according to claim 10, which is characterized in that the proximal end of the forming block is equipped with molding
Face.
12. tissue closure component according to claim 10, which is characterized in that the forming block is set to the first holder
On, second holder is equipped with receptacle corresponding with the forming block position, when first holder and second folder
When seat closure, a part of the forming block is inserted vertically into the receptacle, with receptacle cooperation positioning described first
Holder and second holder.
13. tissue closure component according to claim 1, which is characterized in that the tissue closure component further includes percussion
Bar, the trigger shaft are connect with the proximal end of the closure nail.
14. a kind of medical instrument, the percussion lock including instrument body, the connection instrument body, which is characterized in that the doctor
Treating instrument further includes the tissue closure component as described in any one of claim 1 to 12, the tissue closure component and institute
State instrument body connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003018.8A CN106913361B (en) | 2015-12-28 | 2015-12-28 | Tissue closure component and medical instrument including the tissue closure component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511003018.8A CN106913361B (en) | 2015-12-28 | 2015-12-28 | Tissue closure component and medical instrument including the tissue closure component |
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| Publication Number | Publication Date |
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| CN106913361A CN106913361A (en) | 2017-07-04 |
| CN106913361B true CN106913361B (en) | 2019-05-17 |
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| CN201511003018.8A Active CN106913361B (en) | 2015-12-28 | 2015-12-28 | Tissue closure component and medical instrument including the tissue closure component |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022110243A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州英途康医疗科技有限公司 | Anastomat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411481A (en) * | 1992-04-08 | 1995-05-02 | American Cyanamid Co. | Surgical purse string suturing instrument and method |
| 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 |
| CN203564286U (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 |
| CN104434243B (en) * | 2013-09-23 | 2016-08-24 | 瑞奇外科器械(中国)有限公司 | End effector, surgical operating instrument and purse-string forceps |
| CN105105820B (en) * | 2015-07-10 | 2017-05-03 | 高宏 | Knotting-free purse string forceps for endoscope |
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2015
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