CN106137289B - Tissue closure component and medical instrument equipped with the tissue closure component - Google Patents
Tissue closure component and medical instrument equipped with the tissue closure component Download PDFInfo
- Publication number
- CN106137289B CN106137289B CN201610642768.8A CN201610642768A CN106137289B CN 106137289 B CN106137289 B CN 106137289B CN 201610642768 A CN201610642768 A CN 201610642768A CN 106137289 B CN106137289 B CN 106137289B
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- Prior art keywords
- nail
- tissue
- cutter
- push nails
- 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
-
- 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
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- 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
Abstract
Present invention discloses a kind of tissue closure components,Including tissue closing device,Tissue closing device includes pedestal,With the pressing plate and push nails of base engagement,Wherein tissue closure component further includes the cutter for being assembled to the tissue closing device and selectively disengaging or be coupled with the push nails,Push nails include the initial position positioned at the pedestal proximal end,Closed position is followed closely positioned at the one of pedestal distal end and retracts position,Position is retracted to be located between initial position and nail closed position,When initial position,Push nails and cutter disengage,When following closely closed position,Push nails and cutter are coupled,Tissue closing device further includes setting nail portion,It sets nail portion and is set to pedestal distal end and for placing the cutter,When push nails are from nail closed position to when retracting position movement,Push nails and cutter cooperate to drive cutter to move to the near end from pedestal distal end to cut off tissue.The tissue closure component is easy to operate, easy to use, further reduces 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 it is furnished with the tissue closure group
The medical instrument of part.
Background technique
In existing gastral anastomosis, usually first using linear type or arc line shaped stapler to pipe
It carries out detachment to coincide, reuses circular-pipe anastomat and carry out that the tissue of detachment is carried out to dock to coincide.In this way, when using linear type
Or arc line shaped stapler to pipe carry out detachment coincide after, due to previous anastomotic be it is linear, reuse tubular type in this way
There can be cat ear when Anastomat hemorrhoidal circumcision, have the risk of fistula, and it is at high cost to perform 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 equipped with the tissue closure component.
One of for achieving the above object, an embodiment of the present invention provides a kind of tissue closure component, the tissue
Closing assembly includes tissue closing device, the tissue closing device include pedestal, with the pressing plate of the base engagement and push away
Block is followed closely, wherein the tissue closure component further includes being assembled to the tissue closing device and selectively taking off with the push nails
The cutter opened or be coupled, the push nails include positioned at an initial position of the pedestal proximal end, positioned at the pedestal distal end
One nail closed position and one retracts position, and the position that retracts is located between the initial position and nail closed position, wherein just
When beginning position, the push nails and the cutter are disengaged, and when following closely closed position, the push nails and the cutter are coupled, described
Tissue closing device further includes setting nail portion, and the nail portion of setting is set to the pedestal distal end and is used to place the cutter, works as institute
State push nails from nail closed position to retract position it is mobile when, the push nails and cutter cooperation are to drive cutter from described
Pedestal distal end is moved to the near end to cut off tissue.
As the further improvement of embodiment of the present invention, the cutter includes the cutting part for cutting off tissue, and point
Not Wei Yu the cutting part opposite sides and the first connecting portion and second connecting portion that are connected with the cutting part, described
One interconnecting piece and second connecting portion are optionally disengaged or are coupled with the push nails.
As the further improvement of embodiment of the present invention, the cutting part is equipped with the halberd for cutting off bottom tissue
Sword, the halberd cutlery have point.
As the further improvement of embodiment of the present invention, it is additionally provided on the cutting part for sliding cutting side wall tissue
Inclined edge, the inclined edge extends along curve, and the inclined edge is smoothly connected with the halberd sword, and the inclined edge is set as two, and
Described two inclined edges are distributed in the two sides of the halberd sword.
As the further improvement of embodiment of the present invention, mating is equipped in the first connecting portion and second connecting portion
Portion, the push nails have the joint portion for being selectively coupled or disengaging with the mating part.
As the further improvement of embodiment of the present invention, the mating part is buckle, and the joint portion is protrusion.
As the further improvement of embodiment of the present invention, the cutting part, the first connecting portion and second connecting portion
Weld together.
As the further improvement of embodiment of the present invention, the cutting part, the first connecting portion and second connecting portion
Using integrated molding.
As the further improvement of embodiment of the present invention, the nail portion of setting is also used to place at least one closure nail, institute
It states push nails and the nail portion of setting is set as ordinatedly driving the molding structure of closure nail positioned at nail portion is set, the push nails
When driving closure nail molding by proximate, to set nail portion fixed relative to described for the cutter, to not cut
Tissue.
As the further improvement of embodiment of the present invention, the closure nail is set as two, and described two closures are followed closely
It is located at the two sides of the cutter.
As the further improvement of embodiment of the present invention, the nail portion of setting equipped with step, with limit the closure follow closely to
Proximal direction is mobile, when the push nails are coupled with the cutter and the cutter are driven to move to the near end, the closure nail
It is remained stationary relative to the nail portion of setting.
As the further improvement of embodiment of the present invention, the push nails have for the closure nail it is molding follow closely at
Type groove and side wall for compressing tissue, the side wall are higher than the nail forming tank.
As the further improvement of embodiment of the present invention, the push nails are equipped with mesospore, institute between the side wall
Mesospore is stated lower than the side wall.
As the further improvement of embodiment of the present invention, the mesospore has the recessed sky portion of arc.
One of for achieving the above object, an embodiment of the present invention provides a kind of medical instrument, including instrument body,
Connect the percussion handle of the instrument body, which is characterized in that the medical instrument further includes any of the above-described technical solution institute
The tissue closure component stated, the tissue closure component are removably connected the instrument body.
Compared with prior art, the beneficial effects of the present invention are：The cutter of technical solution of the present invention, in initial position
When, push nails and cutter disengage, and fire only carry out the operation that nail closed moulding forms pocket at this time；When closure follows closely percussion closed
After pocket, the push nails cooperate with the cutter to drive the cutter to move to the near end from the pedestal distal end, then into
Row cutting has formed the tissue of pocket, and in cutting pocket in closing device under the action of remain stationary.It is this to be first closed
On the one hand the mode cut afterwards ensure that the safety of operation, avoid the wind that tissue is cut in the case where pocket is not formed
Danger；Meanwhile nail closed moulding and progress is cut apart, the percussion force of instrument is also reduced, the reliability of instrument is improved；?
Tissue is cut under pocket stationary state, it is ensured that retains lip by design specification；And it is easy to operate, easy to use, into one
Step reduces 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 the stereoscopic schematic diagram of tissue closure component in an embodiment of the present invention, and pressing plate is in the close position at this time；
Fig. 3 is another stereoscopic schematic diagram of tissue closure component in an embodiment of the present invention, removes bluff piece at this time, and press
Plate is in the close position；
Fig. 4 is the stereogram exploded view of tissue closure component in an embodiment of the present invention；
Fig. 5 is another stereoscopic schematic diagram of tissue closure component in an embodiment of the present invention, and pressing plate, which is in, at this time opens
Position；
Fig. 6 a is that the push nails of tissue closure component in an embodiment of the present invention are in the cross-sectional view of initial position；
Fig. 6 b is that the push nails of tissue closure component in an embodiment of the present invention are transported from initial position to nail closed position
Cross-sectional view during dynamic；
Fig. 6 c is that the push nails of tissue closure component in an embodiment of the present invention reach the cross-sectional view of nail closed position；
Fig. 6 d is that the push nails of tissue closure component in an embodiment of the present invention are transported from nail closed position to position is retracted
Cross-sectional view during dynamic；
Fig. 7 is the stereoscopic schematic diagram of push nails in an embodiment of the present invention；
Fig. 8 is the stereoscopic schematic diagram of cutter in an embodiment of the present invention；
Fig. 9 a is the stereoscopic schematic diagram that nail is closed in an embodiment of the present invention；
Fig. 9 b is the main view that nail is closed shown in Fig. 9 a；
Fig. 9 c is the stereoscopic schematic diagram after closure nail bending shown in Fig. 9 a；
Figure 10 a is the stereoscopic schematic diagram that nail is closed in second embodiment of the invention；
Figure 10 b is the main view that nail is closed shown in Figure 10 a；
Figure 11 a is the main view that nail is closed in third embodiment of the invention；
Figure 11 b is the main view after closure nail bending shown in Figure 11 a；
Figure 12 a is the main view that nail is closed in four embodiment of the invention；
Figure 12 b is the main view after closure nail bending shown in Figure 12 a；
Figure 13 a is the main view that nail is closed in fifth embodiment of the invention；
Figure 13 b is the main view after closure nail bending shown in Figure 13 a.
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.Retract position for closure nail reach closed position after, from distal end to
Initial position and the position among nail closed position in the motion process of proximal end.
As shown in Figure 1, medical instrument can be used for gastral kiss the invention discloses a kind of embodiment of medical instrument
It closes in operation comprising instrument body 10 is pivotally connected to the percussion handle 12 of instrument body 10, and is removably connected device
The tissue closing device 14 of tool ontology 10.Generally, tissue closing device 14 is set to the distal end of instrument body 10.
The structure of instrument body 10 can continue to use the instrument body structure of existing linear type or arc line shaped 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 closing device 14 to work.
It in the following description, will be using the instrument body structure of existing linear type or arc line type stapler as the device in present embodiment
10 structure of tool ontology is illustrated.
In addition, the invention also discloses a kind of embodiment of tissue closure component, tissue closure component includes group
It knits closing device 14 and the closure nail 16 of tissue closing device 14 can be assembled to.The knot of tissue closing device 14 and closure nail 16
Structure and usage mode will be described in detail following.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, tissue closing device 14 includes interconnecting piece 18, and pedestal 20 cooperates with pedestal 20
Pressing plate 22, push nails 24, and set nail portion 26.
Wherein, interconnecting piece 18 is for connecting instrument body 10.Pedestal 20 is set to the distal end of interconnecting piece 18, can and connect
Socket part 18 is integrally formed.
In this preferred embodiment, the connection pedestal 20 of 22 rotor of pressing plate, so that pressing plate 22 can be rotated relative to pedestal 20.Its
In, set the distal end that nail portion 26 is set to pedestal 20.
Further, it sets nail portion 26 and pedestal 20 is integrally formed and sets the inside bottom wall in nail portion 26 and the inside bottom of pedestal 20
Wall is seamlessly transitted by cambered surface or inclined-plane.
In the present embodiment, the cross section for setting nail portion 26 is set as U-shaped.
Further, pressing plate 22 includes an open position and a closed position, such as 22 pivotally supported two poles of pressing plate
Extreme position or close to extreme position（Caused by the error occurred by mechanical engagement）, when pressing plate 22 is located at closed position, pressing plate
22 and pedestal 20 can cooperatively form one for accommodating the first accommodating space 30 of part tubular tissue, which is
The cavity of both ends open.At the time of surgery, tubular tissue can be included at open position（Such as enteron aisle etc.）, in closed position part
Tubular tissue is between pressing plate 22 and pedestal 20.
In an embodiment of the present invention, sets nail portion 26 and be formed with one second accommodating space 32,32 He of the second accommodating space
The connection of first accommodating space 30, i.e. the opening of the second accommodating space 32 is towards push nails 24, wherein the height of the second accommodating space 32
Degree is greater than the height of the first accommodating space 30, is that pedestal 20 arrives the distance of pressing plate 22 less than the mouth that the second accommodating space 32 is open
Diameter.
Further, setting nail portion 26 can also be used to place at least one closure nail 16.Push nails 24 are arranged with nail portion 26 is set
Can ordinatedly to drive the closure for being located at and setting in nail portion 26 to follow closely 16 molding structures.
In addition, tissue closure component further includes the cutter 31 for being assembled to tissue closing device 14, sets nail portion 26 and be set to bottom
Seat 20 is distally and for placing cutter 31.
As shown in figure 4, two closure nails 16 can be put by setting nail portion 26 once in this preferred embodiment.Specifically, two are closed
Dowel 16 is located at the two sides of cutter 31.In this way, can be simultaneously to organizing the formation of two boundling pockets.It is of course also possible to set
It is set to, a closure nail 16 can only be put by setting nail portion 26 once, or be put into more than two closure nails 16.Correspondingly, second holds
32 include at least one nailed groove between emptying（It is not shown）, nailed groove can be formed by setting 26 inner wall of nail portion, may also set up in setting nail
On the inner wall in portion 26.
Further, tissue closing device 14 further includes nail kit, and nail kit is connected to the nailed groove for setting nail portion 26, sets in nail kit
There is nail pushing structure（Such as reset spring）, the closure nail 16 in nail kit is loaded into nailed groove, can be realized and work as nailed groove
It is middle without closure nail 16 when（Such as percussion finishes, after tissue is removed）, next closure nail 16 is filled into nailed groove 321 automatically
In.
Further, nail kit, which is set to, sets in nail portion 26, as be set to and set nail portion 26 be open it is opposite set nail portion 26
In ontology.Certainly, which, which can also be flexibly connected, sets nail portion 26, to be convenient for changing and load closure nail 16.
In addition, being additionally provided with bluff piece 44 in the distal end of pedestal 20（Referring to Fig. 5）, in this way, being adjusted being included in tissue and doctor
When position, closure nail 16 and cutter 31 will not be touched, to will not damage.Wherein, when initial, bluff piece 44 is coated on far
Indentation, there is held, during push nails 24 are from initial position to nail closed position movement, with the compression of tissue, 44 quilt of bluff piece
It tightens and is extruded to the neighbouring distal end for setting nail portion 26.In this preferred embodiment, the material of bluff piece 44 is elastic film.
Furthermore the concrete shape of push nails 24 is without limitation, if its be able to cooperate set nail portion 26 drive closure nail 16 molding
Complete the closure to tissue.A kind of distal end end face of push nails 24 in mode is set as planar forming tank, such as
This, during push nails 24 are mobile from initial position to nail closed position（As shown in 6c）, it is set to the first accommodating space 30
Interior tubular tissue is gradually collapsed to the second accommodating space 32, and is finally all contained in the second accommodating space 32.It can manage
Solution, at the time of surgery, when push nails 24 be in initial position, no matter in the first accommodating space 30 with the second accommodating space 32
It is inside placed with tubular tissue, is still only placed with tubular tissue in the first accommodating space 30, when push nails 24 are by initial bit
It sets into nail closed position motion process, the tubular tissue set on the first accommodating space 30 will all be pushed into the second accommodating space 32
It is interior, to play boundling pocket to the tubular tissue collapsed in the second accommodating space 32 when push nails 24 reach nail closed position.
The distal end end face of push nails 24 in a further mode of operation may be configured as the forming tank of arc.In this way, working as push nails
24 from initial position to following closely in closed position motion process, and the curved end of forming tank is contacted with closure nail 16 first, and is being pushed away
It follows closely in the lasting movement of block 24 and applies pressure to the open end of closure nail 16, make the open end bending of closure nail 16, to gathering
Tubular tissue plays boundling pocket.Wherein, forming tank can form third accommodating space 34, to accommodate part tubular tissue, work as ejector pin
When block 24 reaches nail closed position, third accommodating space 34 can close the second accommodating space in the axial direction of component closing device
32, increase the accommodating space size of tubular tissue.It is understood that actually the first accommodating space 30 of third accommodating space 34
A part.
It is understood that when the forming tank of push nails 24 is arranged to different shape, molding nail shape also with
Variation, such as：The nail of similar " B " font can also be formed by setting, after closure.
Push nails 24 include an initial position and a nail closed position, and initial position is located at nail closed position and the first accommodating
The proximal end in space 30（As shown in 6a）.Generally, when push nails 24 are located at initial position, the proximal end of pressing plate 22 is not occurred
Effect, pressing plate 22 is opened at this time, can be included in tubular tissue to be performed the operation；When push nails 24 from initial position to nail closed position
When mobile, it may act on the proximal end of pressing plate 22 close to pedestal 20, reach the closed position of pressing plate 22, working principle can join directly
The fit structure of I-shaped knife and nail bin, nail anvil in line style or arc line shaped stapler, details are not described herein.
Further, push nails 24 further include one retracting position, specifically, initial position is located at nail closed position and first
The proximal end of accommodating space（Referring to Fig. 6 a）, retract position and be located between initial position and nail closed position（Referring to Fig. 6 d）.This hair
The bright position that retracts is the position for following closely closed position into initial position direction motion process, that is, by distally moving to the near end
Position in the process.
With further reference to Fig. 6 c and 6d, when push nails 24 from nail closed position to retract position it is mobile when, push nails 24 with
The cooperation of cutter 31 is to drive cutter 31 to move to the near end from 20 distal end of pedestal to cut off tissue, when the arrival of push nails 24 retracts position
When, cutter 31 is cutting tissue or is having been turned off tissue, and final push nails return to initial position to open the pressing plate 22.
Furthermore cutter 31 is selectively disengaged or is coupled with push nails 24, wherein such as Fig. 6 a, when initial position, and push nails
24 disengage with cutter 31, and when following closely closed position, push nails 24 and cutter 31 are coupled.Specifically, when initial position, push nails 24
In the proximal end of pedestal 20, and cutter 31 is located at the distal end of pedestal 20 and is placed in nail portion 26 of setting, at this time cutter 31 and push nails 24
It disengages.When following closely closed position, push nails 24 are moved to the distal end of pedestal 20, and push nails 24 push closure nail closed moulding at this time,
And push nails 24 are coupled with the cutter 31 for setting nail portion 26 is located at.Then, push nails 24 are mobile from nail closed position to position is retracted,
Push nails 24 drive cutter 31 to move to the near end from 20 distal end of pedestal at this time, to cut off tissue.Specifically, cutter 31 has and matches
Socket part 40, push nails 24 have the joint portion 42 for being selectively coupled or disengaging with mating part 40, when push nails 24 are closed from nail
Position is to when retracting position movement, and mating part 40 and the mating of joint portion 42 are so that push nails 24 drive cutter 31 from 20 distal end of pedestal
It moves to the near end to cut off tissue, when push nails 24 are mobile to nail closed position from initial position, mating part 40 and joint portion
42 disengage.Further, mating part 40 is buckle, and joint portion 42 is protrusion.
In this preferred embodiment, in initial position, push nails 24 and cutter 31 are disengaged, and fire only carry out nail closure at this time
Molding forms the operation of pocket；After 16 percussion closure of closure nail forms pocket, push nails 24 cooperate with cutter 31 is cut with driving
Knife 31 is moved to the near end from 20 distal end of pedestal, then is cut the tissue for having formed pocket, and pocket is being closed in cutting
It is remained stationary under the action of device.On the one hand this mode cut afterwards that is first closed ensure that the safety of operation, avoid in lotus
The risk of tissue is cut in the case where wrapping without being formed；Meanwhile nail closed moulding and progress is cut apart, also reduce instrument
Percussion force, improve the reliability of instrument；Tissue is cut under pocket stationary state, it is ensured that keeps lip by design specification
Side；And it is easy to operate, easy to use, further reduce operation cost.
As shown in fig. 7, push nails 24 have nail forming tank 43, the two sides of the nail forming tank 43 in this preferred embodiment
It is respectively provided with the side wall 46 of compression tissue, side wall 46 is higher than nail forming tank 43 and is arranged, i.e., side wall is located closer to and sets nail
The side of slot, that is, side wall 46 are located at the distal end of nail forming tank 43, and the side wall 46 is thin-walled.It is first compressed in this way, realizing
Tissue, then 16 reshapings of closure nail, so that it is guaranteed that in tissue income closure nail 16 completely, while the side wall 46 of thin wall shape can be with
Guarantee is woven with enough compressions to group, obtains biggish compression ratio.Wherein, with cutter 31（Referring to Fig. 6 d）The joint portion 42 of mating
It is set to side wall 46.
Further, mesospore 48 is equipped between the two sidewalls 46 of push nails 24, wherein mesospore 48 is lower than side wall 46, i.e.,
Mesospore 48 is located at the proximal end of the nail forming tank 43.In this way, mesospore 48 is lower than the space segment of side wall 46, i.e., between two sidewalls
It is hollowed out, forms group and be woven in escape space when being compressed, reduce the contact area of mesospore 48 and tissue, more
Tissue is compressed added with side wall 46 is conducive to, to reduce percussion force.Specifically, mesospore 48 has the recessed sky portion of arc, with reduction and group
The contact area knitted.
With further reference to Fig. 6 b and 6c, in this preferred embodiment, push nails 24 are from initial position to the fortune of nail closed position
During dynamic, push nails 24 follow closely 16 moldings with the driving closure of nail portion 26 is set, and cutter 31 is fixed relative to nail portion 26 is set at this time,
To not cut tissue.When push nails 24 reach nail closed position, closed pair tissue plays boundling pocket to closure nail 16, together
When push nails 24 and cutter 31 be coupled.Referring to Fig. 6 d, when push nails 24 from nail closed position into the motion process for retracting position,
I.e. by distal end proximal movement during, push nails 24 and cutter 31 are coupled and drive cutter 31 is mobile to form pocket to cut
Tissue afterwards, closure nail 16 is remained stationary relative to nail portion 26 is set at this time.In this way, being cut during push nails 24 retract
Disconnected tissue, operates very simple.In addition, cutter 31 is located at the distal end of pedestal 20 when initial position, when 16 closure of closure nail is with right
After tissue plays boundling pocket, 31 ability of cutter is moved under the driving of push nails 24 to cut the tissue after knotting, so that closing
When 16 unshaped of dowel, cutter 31 does not injure tissue.
Specifically, nail portion 26 is set（Referring to Fig. 6 d）Equipped with step（It is not shown）, to limit the proximally direction of closure nail 16
It is mobile.In this way, being cut during keeping pocket motionless, the lip after making cutting is cut according to plan, not will cause
Damage pocket or keep lip narrow and caused by operative failure, while guarantee cut posterior lip hem width degree consistency.Preferably,
Distance of the cutter 31 away from pocket is 3mm ~ 5mm, i.e., the width of lip is 3mm ~ 5mm.The reliability of pocket was both guaranteed in this way；Energy again
The volume for guaranteeing pocket is not very greatly, subsequent procedures to be facilitated to enter in tube type anastomat the reconstruction for carrying out tissue in the process.
As shown in figure 8, cutter 31 includes the cutting part 56 for cutting off tissue, and it is located at opposite the two of cutting part 56
Side and the first connecting portion 58 and second connecting portion 60 being connected with cutting part 56.Cutting part 56 is equipped with for by bottom wall tissue
The halberd sword 54 of cutting, halberd sword 54 have point.Further, it is additionally provided on cutting part 56 for sliding cutting side wall tissue
Inclined edge 52.Specifically, inclined edge 52 is set as two, and two inclined edges 52 are distributed in the two sides of halberd sword 54.Halberd sword 54 is used for lotus
Packet bottom wall tissue is two sections from central cutout, further increases detachment performance.Specifically, halberd sword 54 has point.Thus will
Tissue penetration, it is ensured that by tissue detachment.
In this preferred embodiment, inclined edge 52 extends along curve, and inclined edge 52 is smoothly connected with halberd sword 54.Inclined edge 52 and halberd sword
54 form similar to " W " shape knife, i.e., are halberd sword in the middle part of " W " shape knife, two sides are inclined edge.In addition, inclined edge 52 formed with halberd sword 54 it is recessed
Enter portion, convenient for contacting with boundling pocket and cutting off tissue in 31 moving process of cutter.Preferably, in the moving process of cutter 31
In, halberd sword 54 first touches boundling pocket its center detachment, next, inclined edge 52 also touches boundling pocket and cuts, into
And inclined edge 52 and halberd sword 54 cut off tissue together.
In this preferred embodiment, first connecting portion 58 and second connecting portion 60 are optionally coupled or take off with push nails 24
It opens.That is, mating part 40 is set in first connecting portion 58 and second connecting portion 60.Specifically, cutting part 56 and mating part
40 are located at first connecting portion 58 and the opposite both ends of second connecting portion 60.In addition, inclined edge 52 respectively with first connecting portion 58
With second connecting portion 60 at obtuse angle.
In this preferred embodiment, it can be and be provided with card slot in first connecting portion 58 and second connecting portion 60（Do not scheme
Show）, cutting part 56 is fixed in card slot.In addition, cutting part 56, first connecting portion 58 and second connecting portion 60 can be welded on
Together.It certainly, can also be using integrated molding between cutting part 56, first connecting portion 58 and second connecting portion 60.
As shown in Fig. 9 a, Fig. 9 b and Fig. 9 c, this preferred embodiment also discloses a kind of closing for tissue closure component 14
Dowel 16, wherein tissue closure component includes tissue closing device, and closure nail 16 can be assembled to tissue closing device, and tissue closes
It attaches together to set and can operatively be made closure 16 bending formings of nail.In addition, as long as tissue closing device is designed to, when operation percussion handle
12, tissue closing device can be driven to act to promote closure 16 bending formings of nail, in this not go into detail.Following emphasis
Closure member 16 is described in detail.
Closure nail 16 includes base portion 62, the interconnecting piece 64 being connected with base portion 62, the first side being connected with interconnecting piece 64
Portion 66 and the second side 68, wherein the first side 66 and the second side 68 are located at the two sides of interconnecting piece 64, and the first side
66 and second form opening between side 68, and base portion 62 constitutes the closed channel 70 passed through for instrument.
In this preferred embodiment, since the base portion 62 of closure nail 16 constitutes the closed channel 70 passed through for instrument,
When penetrating the instruments such as lead screw, instrument can enter from closed channel 70, can't touch pocket, to will not apply external force
To pocket, and then it not will lead to pocket and slipped because of stress.Therefore closure nail 16 not only facilitates instrument to enter, and is avoided that
When instrument enters, pocket stress is slipped.
First side 66 and the second side 68 are provided with quil portion 72 in the side of adjacent base 62.In this way, quil portion
72 can be pierced into tissue, to catch tissue adherence layer, it is therefore prevented that tissue slips.Preferably, quil portion 72 is to close to interconnecting piece
64 direction extends.Certainly, quil portion 72 can also be designed to extend to other directions.
Further, the quil portion 72 on the first side 66 and the second side 68 is set as a plurality of.Specifically, this is preferably
In embodiment, 3 quil portions 72 are respectively provided on the first side 66 and the second side 68, and on the first side 66 and the second side 68
Quil portion 72 be symmetrical arranged.Certainly, the quil portion 72 of other quantity also can be set on the first side 66 and the second side 68.
Equally, asymmetry also can be set into the quil portion 72 on the first side 66 and the second side 68.
In addition, being respectively provided with step 74 on the first side 66 and the second side 68, and step 74 and quil portion 72 are located at
The opposite two sides in first side 66 and the second side 68.Step 74 is conducive to closure 16 bending formings of nail, while nail portion is set in cooperation
26 step（It is not shown）Pocket after molding is avoided to move during cutter 31 is pulled.
In this preferred embodiment, the free end of the first side 66 and the second side 68 is set as chamfering, to be closed nail 16
In nail 43 closed moulding of forming tank.
In closing course, when push nails 24 are located at initial position, the free end of closure nail 16 and push nails 24 are opposite,
Specifically, the free end of the first side 66 and the second side 68 and push nails 24 are opposite.When push nails 24 are located at nail closure position
When setting, the free end of closure nail 16 contains the tubular tissue after collapsing and is acted on bending forming by push nails 24, specifically, the
The free end of one side 66 and the second side 68 accommodates the tubular tissue after collapsing and is acted on by push nails 24 and bent, to be formed
Shape after closure as is shown in fig. 9 c.
Preferably, the first side 66 and the parallel setting in the second side 68.Certainly, the first side 66 and the second side 68
It can be set into not parallel and slightly have a certain degree.
In this preferred embodiment, closed channel 70 is circular channel.Closed channel 70 is usually for circular-pipe anastomat
What the instruments such as lead screw penetrated.Certainly, closed channel 70 can also be designed to other shapes of channel.
Further it will be understood that at least one sharp portion 76 can also be equipped on interconnecting piece 64 in this preferred embodiment.
In this way, sharp portion 76 is pierced into tissue after being closed tissue, further increases and grab histozoic dynamics, be better protected from tissue
It is slipped in stress.Certainly, sharp portion 76 can not also be set in the interconnecting piece 64 of closure nail 16 in present embodiment.
Further, two sharp portions 76 are set on interconnecting piece 64.Two sharp portions 76 are equally used for catching tissue, prevent tissue
It disengages.Specifically, the center of interconnecting piece 64 and the center of closed channel 70 define a center line 78, two points on interconnecting piece 64
Thorn portion 76 is symmetrical arranged relative to center line 78.Certainly, two sharp portions 76 on interconnecting piece 64 can also be with relative to center line 78
It is arranged to asymmetry.
In addition, in pressing plate 22（Referring to Fig. 1）In closing course, when push nails 24（Referring to Fig. 1）Positioned at initial position
When, the first side 66 of closure nail 16 and the second side 68 are opposite with push nails 24, referring to Fig. 5, close when push nails 24 are in nail
When coincidence is set, the first side 66 and the second side 68 of closure nail 16 are acted on bending forming by push nails 24.
With further reference to Fig. 3, is given when operation tissue closing device and be closed the free end application pressure for following closely 16, closure is made to follow closely 16
Free end bending when, closure nail 16 the first side 66 and the second side 68 free end from respective step 74 respectively to
In bend, to form boundling pocket to the tubular tissue of gathering；Certainly, the first side 66 and the second side 68 of closure nail 16
Free end can not also set step, closure nail 16 also can bending forming.It is of course also possible to as needed by tissue closing device
Push nails 24 forming tank 43（Referring to Fig. 7）Be arranged to different shape, in this way molding closure nail 16 shape also therewith
Variation, such as：The nail of similar " B " font can also be formed by setting, after closure.As long as it is understood that energy after closure
The tubular tissue of gathering is played into boundling pocket.
Closure nail 16 can be metal nail, be also possible to have some strength and the other materials of elasticity to be made by other.
Specifically, when operation tissue closing device, push nails 24 are closed position from initial position to nail in this preferred embodiment
During setting movement, the nail forming tank 43 of push nails 24 abuts and makes with the first side 66 of closure nail 16 and the second side 68
68 bending forming of its first side 66 and the second side, when push nails 24 are moved to nail closed position, closure nail 16 is bent into
Type, so that tissue is played boundling pocket, while the joint portion 42 of push nails 24 and the mating part 40 of cutter 31 are coupled.Work as push nails
24 from nail closed position to retract position it is mobile during, push nails 24 drive cutter 31 proximally to move from the distal end of pedestal 20
It is dynamic, so that the tissue after formation pocket be cut off.
To sum up, tissue closing device of the invention, tissue closure component, medical instrument can form the boundling of center gathering
Pocket reduces the risk that " cat ear " and fistula are generated after subsequent circular-pipe anastomat coincide, in addition, when being closed tissue, it is only necessary to
Once-through operation, it is easy to use, reduce operation cost.Furthermore after being closed tissue, tissue is cut off, so that closing
When dowel 16 is unformed, cutter 31 will not injure tissue, and guarantee to cut the consistency of posterior lip hem width degree simultaneously.
As as-shown-in figures 10 a and 10b, the second preferred embodiment of closure nail 16 provided by the invention, the embodiment and the
Closure nail 16 is not both to be not provided with quil on the first side 66 and the second side 68, base portion 62 is equipped in one embodiment
Extension rod 80, wherein extension rod 80 and interconnecting piece 64 two sides that be located at base portion 62 opposite.Specifically, extension rod 80 has spine
End.
In this preferred embodiment, extension rod 80 is set as three, wherein the extended line of first extension rod 80 passes through base portion
62 center, wherein other two extension rod 80 is symmetrical arranged relative to the first extension rod 80.It is of course also possible to which other numbers are arranged
The extension rod of amount.
As shown in Figure 11 a and Figure 11 b, the third preferred embodiment of closure nail provided by the invention, the embodiment and first
Closure nail 16 is not both in embodiment, which follows closely 84 not set closed channels, and closure nail 84 includes first side 86, with the
The bottom 90 of the second side 88 and connection the first side 86 and the second side 88 that one side 86 is oppositely arranged.Wherein the first side
86 and second form opening portion 92 between side 88, and bottom 90 and opening portion 92 are opposite, and bottom 90 is equipped at least one spine
Thorn.
In this way, the quil on bottom 90 can pass through the mucous layer of tissue in closure 84 closure of nail, boundling pocket can compare
Securely, so that pocket is not easy to slip when being drawn by external force.
In addition, the free end of the first side 86 and the second side 88 is set as chamfering, to be closed nail 84 in nail forming tank
Closed moulding.
In one preferred embodiment, specifically, bottom 90 is equipped with the first quil 94 and the second quil 96, wherein the first quil
94 and second quil 96 be symmetrical arranged.Certainly, asymmetry also can be set into the first quil 94 and the second quil 96.
First quil 94 is identical with the length of the second quil 96.It is described in detail with the first quil 94, the first quil 94
First end is set to bottom 90, and the second end of the first quil 94 is end, by the end of the first quil 94 and perpendicular to the first spine
Thorn 94 defines a vertical line 97, and after closure nail 84 is bent molding, the bending part 98 and second side of the first side 86
The bending part 100 in portion 88 intersects with vertical line 97.In this way, making boundling pocket stronger, further prevent by outer
Power slips when dilatory.
In addition, vertical line 97 is also by the second quil since the first quil 94 is identical with the length of the second quil 96
96 end.Certainly, the length of the first quil 94 and the second quil 96 also can be set into not identical.Preferably, the first quil
94 and second quil 96 length after closure follows closely 84 closed mouldings in the space that is surrounded, to avoid injury tissue.
Further, the first side 86 and the second side 88 define the first plane, after closure nail 84 is bent molding,
The projection of the bending part 98 of first side 86 on the first plane with the bending part 100 of the second side 88 on the first plane
Projection cross one another.In addition, having center line 102, the bending of the first side 86 between the first side 86 and the second side 88
Intersecting between the projection of the projection of part 98 on the first plane and the bending part 100 of the second side 88 on the first plane
Point is located on center line 102, certainly nor being utterly located on center line 102.
In addition, the bending part projected with the second side 88 of the bending part 98 of the first side 86 on the first plane
100 projection on the first plane is respectively positioned on except the first quil 94 and the second quil 96, i.e. the bending part of the second side 88
100 projection is between the first side 86 and the first quil 94, the projection of the bending part 98 of the first side 86 is located at second
Between side 88 and the second quil 96.
As depicted in figs. 12 a and 12b, the 4th preferred embodiment of closure nail provided by the invention, the embodiment and third
Preferred embodiment is compared, in the embodiment, what closure nail 106 was equally oppositely arranged including the first side 86, with the first side 86
Second side 88 and the bottom 90 for connecting the first side 86 and the second side 88.Wherein between the first side 86 and the second side 88
Opening portion 92 is formed, bottom 90 and opening portion 92 are opposite, and bottom 90 is equipped at least one quil.
Equally, after closure nail 106 is bent molding, the bending part 108 of the first side 86 and the second side 88 it is curved
Intersect with vertical line 97 folding part point 110.In addition, since the first quil 94 is identical with the length of the second quil 96, it is vertical
Line 97 also by the second quil 96 end.Certainly, not phase also can be set into the length of the first quil 94 and the second quil 96
Together.Preferably, the length of the first quil 94 and the second quil 96 is followed closely in the space surrounded after 84 closed mouldings in closure, to keep away
Exempt from injury tissue.
First side 86 and the second side 88 define the first plane, the difference of the preferred embodiment and 3rd embodiment
It is that after closure nail 106 is bent molding, the projection of the bending part 108 of the first side 86 on the first plane is far from second
The projection of the bending part 110 of side 88 on the first plane.
Further, the projection and the bending of the second side 88 of the bending part 108 of the first side 86 on the first plane
The projection of part 110 on the first plane is respectively positioned between the first quil 94 and the second quil 96.
Third quil 112 is additionally provided on bottom 90, between third quil 112 and the first side 86 and the second side 88 in
Heart line 102 coincides.Certainly, third quil 112 can be configured as the center line between the first side 86 and the second side 88
102 are not overlapped.Further, the length of the first quil 94 and the length of the second quil 96 are all larger than the length of third quil 112.
As shown in Figure 13 a and Figure 13 b, the 5th preferred embodiment of closure nail 16 provided by the invention, the embodiment and the
Four preferred embodiments are compared, and in the preferred embodiment, the first side 86 and the second side 88 define the first plane, when closure is followed closely
After 114 are bent molding, the projection of the bending part 116 of the first side 86 on the first plane is also away from the second side 88
The projection of bending part 118 on the first plane.
The first quil 120 and the second quil 122 with the symmetrical setting of the first quil 120 are again provided on bottom 90.Into
One step, third quil 124 is additionally provided on bottom 90, between third quil 124 and the first side 86 and the second side 88 in
Heart line 102 coincides.Certainly, third quil 124 can be configured as the center line between the first side 86 and the second side 88
102 are not overlapped.In this preferred embodiment, the length of third quil 124 is greater than the length and the second quil 122 of the first quil 120
Length.
In addition, passing through the end of third quil 124 and defining a vertical line 126 perpendicular to third quil 124, work as closure
After nail 114 is bent molding, the bending part 118 of the bending part 116 of the first side 86 and the second side 88 is and vertical line
126 intersections.In this way, make boundling pocket stronger, slippage when having further prevented being drawn by external force.
Further, sharp portion 128 is equipped on the first side 86 and the second side 88.Preferably, on the first side 86
Sharp portion 128 and the second side 88 on sharp portion 128 be symmetrically set.Specifically, sharp portion 128 is towards close to bottom 90
Direction extend.
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 (15)
1. a kind of tissue closure component, the tissue closure component includes tissue closing device, and the tissue closing device includes
Pedestal, pressing plate and push nails with the base engagement, which is characterized in that the tissue closure component further includes being assembled to institute
The cutter for stating tissue closing device and selectively disengaging or be coupled with the push nails, the push nails include being located at the bottom
One initial position of seat proximal end retracts position positioned at a nail closed position of the pedestal distal end and one, described to retract position position
Between the initial position and nail closed position, wherein when initial position, the push nails and the cutter are disengaged, nail closure
When position, the push nails and the cutter are coupled, and the tissue closing device further includes setting nail portion, and the nail portion of setting is set to
Pedestal distal end and for placing the cutter, when the push nails from nail closed position to retract position it is mobile when, it is described
Push nails and the cutter cooperate to drive cutter to move to the near end from the pedestal distal end to cut off tissue.
2. tissue closure component according to claim 1, which is characterized in that the cutter includes for cutting off cutting for tissue
Portion is cut, and is located at the opposite sides of the cutting part and the first connecting portion being connected with the cutting part and second is connect
Portion, the first connecting portion and second connecting portion are optionally disengaged or are coupled with the push nails.
3. tissue closure component according to claim 2, which is characterized in that the cutting part is equipped with for that will organize to cut
Disconnected halberd sword, the halberd cutlery have point.
4. tissue closure component according to claim 3, which is characterized in that be additionally provided on the cutting part and cut for sliding
The inclined edge of disconnected side wall tissue, the inclined edge extends along curve, and the inclined edge is smoothly connected with the halberd sword, the inclined edge setting
It is two, and described two inclined edges are distributed in the two sides of the halberd sword.
5. tissue closure component according to claim 4, which is characterized in that in the first connecting portion and second connecting portion
It is equipped with mating part, the push nails have the joint portion for being selectively coupled or disengaging with the mating part.
6. tissue closure component according to claim 5, which is characterized in that the mating part is buckle, the joint portion
For protrusion.
7. tissue closure component according to claim 2, which is characterized in that the cutting part, the first connecting portion and
Second connecting portion welds together.
8. tissue closure component according to claim 2, which is characterized in that the cutting part, the first connecting portion and
Second connecting portion is using integrated molding.
9. tissue closure component according to claim 1, which is characterized in that the nail portion of setting is also used to place at least one
Closure nail, the push nails and the nail portion of setting are set as ordinatedly driving the molding structure of closure nail positioned at nail portion is set,
When the push nails drive the closure nail molding by proximate, the cutter is fixed relative to the nail portion of setting,
To not cut tissue.
10. tissue closure component according to claim 9, which is characterized in that the closure nail is set as two, and described
Two closure nails are located at the two sides of the cutter.
11. tissue closure component according to claim 9, which is characterized in that the nail portion of setting is equipped with step, to limit
Stating closure nail, proximally direction is mobile, when the push nails are coupled with the cutter and the cutter are driven to move to the near end,
The closure nail is remained stationary relative to the nail portion of setting.
12. tissue closure component according to claim 9, which is characterized in that the push nails, which have, is used for the closure
Molding nail forming tank and the side wall for compressing tissue are followed closely, the side wall is higher than the nail forming tank.
13. tissue closure component according to claim 12, which is characterized in that the push nails are between the side wall
Equipped with mesospore, the mesospore is lower than the side wall.
14. tissue closure component according to claim 13, which is characterized in that the mesospore has the recessed sky portion of arc.
15. a kind of medical instrument, the percussion handle 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 14, and the tissue closure component is removable
Dress ground connects the instrument body.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642768.8A CN106137289B (en) | 2016-08-08 | 2016-08-08 | Tissue closure component and medical instrument equipped with the tissue closure component |
| BR112018012702-7A BR112018012702A2 (en) | 2015-12-22 | 2016-12-22 | Tissue closure devices, tissue closure components, and medical devices |
| EP16877757.1A EP3395265A4 (en) | 2015-12-22 | 2016-12-22 | Tissue closure device, tissue closure component, and medical equipment |
| JP2018532229A JP6580269B2 (en) | 2015-12-22 | 2016-12-22 | Tissue closure device, tissue closure assembly and medical device |
| RU2018125470A RU2726991C2 (en) | 2015-12-22 | 2016-12-22 | Device for tissue closure, unit for tissue closure and medical instrument |
| US16/061,641 US10835244B2 (en) | 2015-12-22 | 2016-12-22 | Tissue closure device, tissue closure component, and medical instrument |
| PCT/CN2016/111459 WO2017107947A1 (en) | 2015-12-22 | 2016-12-22 | Tissue closure device, tissue closure component, and medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642768.8A CN106137289B (en) | 2016-08-08 | 2016-08-08 | Tissue closure component and medical instrument equipped with the tissue closure component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106137289A CN106137289A (en) | 2016-11-23 |
| CN106137289B true CN106137289B (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642768.8A Active CN106137289B (en) | 2015-12-22 | 2016-08-08 | Tissue closure component and medical instrument equipped with the tissue closure component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106137289B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10835244B2 (en) | 2015-12-22 | 2020-11-17 | Touchstone International Medical Science Co., Ltd. | Tissue closure device, tissue closure component, and medical instrument |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7695485B2 (en) * | 2001-11-30 | 2010-04-13 | Power Medical Interventions, Llc | Surgical device |
| US7850703B2 (en) * | 1999-07-28 | 2010-12-14 | Cardica, Inc. | System for performing anastomosis |
| CN100486528C (en) * | 2005-07-08 | 2009-05-13 | 苏州天臣国际医疗科技有限公司 | Rotary cutter of binding instrument for surgery |
| CN206120388U (en) * | 2016-08-08 | 2017-04-26 | 苏州天臣国际医疗科技有限公司 | Organize closure assembly and be furnished with this tissue closure assembly's medical instrument |
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2016
- 2016-08-08 CN CN201610642768.8A patent/CN106137289B/en active Active
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| CN106137289A (en) | 2016-11-23 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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