CN108125730A - Artificial blood vessel's preformed hole locking device and its conveying device - Google Patents
Artificial blood vessel's preformed hole locking device and its conveying device Download PDFInfo
- Publication number
- CN108125730A CN108125730A CN201810164616.0A CN201810164616A CN108125730A CN 108125730 A CN108125730 A CN 108125730A CN 201810164616 A CN201810164616 A CN 201810164616A CN 108125730 A CN108125730 A CN 108125730A
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- China
- Prior art keywords
- blood vessel
- preformed hole
- artificial blood
- close membrane
- locking device
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 132
- 239000002473 artificial blood Substances 0.000 title claims abstract description 127
- 239000012528 membrane Substances 0.000 claims abstract description 124
- 230000004323 axial length Effects 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 abstract description 23
- 238000013461 design Methods 0.000 abstract description 19
- 210000000709 aorta Anatomy 0.000 abstract description 15
- 239000011229 interlayer Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00597—Implements comprising a membrane
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00601—Implements entirely comprised between the two sides of the opening
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00623—Introducing or retrieving devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00646—Type of implements
- A61B2017/00654—Type of implements entirely comprised between the two sides of the opening
Abstract
The present invention discloses a kind of artificial blood vessel's preformed hole locking device and its conveying device, and locking device includes outer, inside close membrane and locating ring.Structure and the middle part for having both ends and being connected between both ends, the both ends of locating ring are connected to outside close membrane and inside close membrane to locating ring in the shape of a spiral.When locking device is closed in the preformed hole of artificial blood vessel, locating ring is arranged in preformed hole, and outside close membrane and inside close membrane are respectively positioned at the tube wall of artificial blood vessel outside and inside, and both correspond to preformed hole to be closed.The present invention is located at respectively by outer, inside close membrane on the outside of artificial blood vessel's tube wall and the design of inside, the false intracavitary selectively outside close membrane being put on the outside of aorta artificial blood vessel, true intracavitary inside close membrane being put on the inside of aorta artificial blood vessel, preformed hole and breach are closed together, avoid the risk of the neighbouring bifurcated artery opening of true chamber closing, it is more abundant to the closing of breach simultaneously, promote validity and security reliability.
Description
Technical field
The present invention relates to artificial blood vessel's technical field, in particular to a kind of artificial blood vessel's preformed hole locking device and
Its conveying device.
Background technology
In the application of existing artificial blood vessel's technology, overlay film frame is right as a kind of means for repairing dissection of aorta
Be located at the other situation of bifurcated artery opening in aorta rupture mouth, preferred recovery scenario for should closed sandwich breach, protect again
Hold the unobstructed of bifurcated artery blood flow.In this regard, part existing scheme is included using overlay film frame in the true chamber closed sandwich rupture of interlayer
Mouthful and neighbouring bifurcated artery be open and carry out bifurcated artery turn of tidal stream scheme, using " chimney " scheme (i.e. in the true chamber trunk of interlayer
Artery places overlay film frame closed sandwich breach and neighbouring bifurcated artery opening is put simultaneously from bifurcated artery to arteries
Put independent branch stent) and branch stent scheme is used (to be sent into branch i.e. from the true chamber arteries of interlayer to bifurcated artery
Stent).However, overlay film frame or prosthetic device that above-mentioned recovery scenario is respectively relied on there are it is different the defects of, for example, turn of tidal stream
It need to increase operation wound because overlay film frame completely encloses burst region in scheme and open up new bifurcated artery opening, " chimney "
In scheme due to overlay film frame lacks socket section and there are interior leakage phenomenon, branch stent is complicated for operation and is difficult to correct merging and loses
Accidentally.
Above-mentioned prior art is taken a broad view of, has in common that it is to repair interlayer by the true chamber of interlayer using overlay film frame to break
Breach.Under physiological conditions and most of interlayer pathologic conditions, bifurcated artery opening is located at the true chamber of interlayer, then broken in the closing of true chamber
Breach would be possible to that neighbouring bifurcated artery opening can be involved.Therefore design one kind can avoid sealing while breach is closed
Close the locking device of bifurcated artery opening, it has also become subject urgently to be resolved hurrily in the design of this field relevant apparatus.
Invention content
A primary object of the present invention is to overcome at least one defect of the above-mentioned prior art, and providing one kind can be
Artificial blood vessel's preformed hole locking device of bifurcated artery opening is not closed while closing breach.
Another main purpose of the present invention is to overcome at least one defect of the above-mentioned prior art, provide a kind of above-mentioned
The conveying device of artificial blood vessel's preformed hole locking device.
To achieve the above object, the present invention adopts the following technical scheme that：
According to an aspect of the present invention, a kind of artificial blood vessel's preformed hole locking device is provided, for closing artificial blood vessel
Tube wall on the preformed hole that opens up.Wherein, artificial blood vessel's preformed hole locking device includes outside close membrane and inside is closed
Film and locating ring.The locating ring structure and the middle part that there are both ends and be connected between both ends in the shape of a spiral, it is described
The both ends of locating ring are connected to the outside close membrane and the inside close membrane.Wherein, the artificial blood vessel reserves
When hole locking device is closed in the preformed hole of the artificial blood vessel, the preformed hole is arranged in the middle part of the locating ring, it is described
Outside close membrane and the inside close membrane are respectively positioned at the tube wall of artificial blood vessel outside and inside, and both correspond to wait to seal
The preformed hole closed.
One of embodiment according to the present invention, the size of the outside close membrane are more than the inside close membrane
Size.
One of embodiment according to the present invention, the outside close membrane and the inside close membrane are rounded；
Wherein, a diameter of 8mm~20mm of the outside close membrane, and a diameter of 4mm~8mm of the inside close membrane.
One of embodiment according to the present invention, the outside close membrane are rounded；And/or the inside closing
Film is rounded.
One of embodiment according to the present invention, the both ends of the locating ring are arranged in the outside closing respectively
Film and the inside close membrane, and make the middle part of the locating ring between the outside close membrane and the inside close membrane it
Between.
One of embodiment according to the present invention, the outer diameter at the both ends of the locating ring are more than the outer diameter at middle part,
And make the shape of the locating ring in dumbbell structure.
One of embodiment according to the present invention, the locating ring are connected to the center of the outside close membrane；With/
Or, the locating ring is connected to the center of the inside close membrane.
One of embodiment according to the present invention, spiral number of rings possessed by the locating ring are 4~6；And/or
A diameter of 6mm~8mm of the locating ring；And/or the axial length of the locating ring is 2mm~10mm.
One of embodiment according to the present invention, the porosity that the preformed hole on the artificial blood vessel opens up are
20%~70%；And/or the aperture of the preformed hole is 1.2mm~3.6mm.
According to another aspect of the present invention, a kind of conveying device is provided, wherein, the conveying device is used for above-mentioned reality
The conveying of artificial blood vessel's preformed hole locking device described in mode is applied to be placed at the preformed hole to be closed of artificial blood vessel, it is described
Conveying device includes delivery conduit and locating rod.The delivery conduit, which has, stores artificial blood vessel's preformed hole locking device
Tube chamber.The locating rod is telescopically arranged in the delivery conduit, and has locating rod operating side and locating rod positioning end,
The locating rod operating side is exposed to one end of the delivery conduit, and the locating rod positioning end is resisted against the institute in receiving state
Artificial blood vessel's preformed hole locking device is stated, so that artificial blood vessel's preformed hole locking device is pushed by the locating rod and by institute
Delivery conduit is stated to stretch out and discharge.
As shown from the above technical solution, artificial blood vessel's preformed hole locking device proposed by the present invention and its conveying device is excellent
Point and good effect are：
Artificial blood vessel's preformed hole locking device proposed by the present invention, is located at respectively by outside close membrane and inside close membrane
With the design of inside on the outside of the tube wall of artificial blood vessel, selectively outside close membrane can be put on the outside of aorta artificial blood vessel
False intracavitary, and inside close membrane is put into the true intracavitary on the inside of aorta artificial blood vessel, with this by preformed hole to be closed and
Breach is closed together, and the risk of neighbouring bifurcated artery opening is closed so as to largely avoid existing close membrane in true chamber,
More existing close membrane is more abundant to the closing of breach simultaneously, improves the validity and security reliability of locking device.
In one of embodiment of the present invention, the size based on outside close membrane is more than setting for inside close membrane
Larger-size outside close membrane selectively can be put into false intracavitary on the outside of aorta artificial blood vessel by meter, the present invention, and
The smaller inside close membrane of size is put into the true intracavitary on the inside of aorta artificial blood vessel, so as to further avoid existing closing
Film design in, when need true chamber should increase size with adequate closure breach, again reduce size to avoid stop it is neighbouring
Design contradiction when bifurcated artery is open.
Description of the drawings
The following detailed description to the preferred embodiment of the present invention, various mesh of the invention are considered in conjunction with the accompanying drawings
Mark, feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the present invention, is not necessarily to paint in proportion
System.In the accompanying drawings, same reference numeral always shows same or similar component.Wherein：
Fig. 1 is to be placed in an artificial blood according to a kind of artificial blood vessel's preformed hole locking device shown in an illustrative embodiments
Schematic cross-sectional view during pipe；
The assembling schematic diagram that it is conveying device according to a kind of shown in an illustrative embodiments that Fig. 2, which is,.
Wherein, the reference numerals are as follows：
100. artificial blood vessel；
110. tube wall；
120. preformed hole；
200. artificial blood vessel's preformed hole locking devices；
210. outside close membranes；
220. inside close membranes；
230. locating ring；
300. conveying device；
310. delivery conduit；
320. locating rod；
321. locating rod operating sides；
322. locating rod positioning ends.
Specific embodiment
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various variations in different embodiments, neither depart from the scope of the present invention, and it is therein explanation and
Attached drawing is inherently illustrative rather than to limit the present invention.
In being described below the different illustrative embodiments to the present invention, carried out with reference to attached drawing, the attached drawing is formed
The part of the present invention, and the exemplary knot of difference for many aspects that the present invention can be achieved wherein is shown by way of example
Structure, system and step.It should be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out without departing from the scope of the invention.Although it moreover, can be used in this specification
Term " upper end ", " lower end ", " between ", " side " etc. the different example features of the present invention and element described, but this
A little terms in this article merely for convenient, such as with reference to the accompanying drawings described in exemplary direction.It is any interior in this specification
Appearance is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen within the scope of the present invention.
Artificial blood vessel's preformed hole locking device embodiment
Refering to Fig. 1, the artificial blood vessel's preformed hole closing dress that can embody the principle of the present invention is representatively illustrated in Fig. 1
Put 200 partial sectional views.In the illustrative embodiments, artificial blood vessel's preformed hole locking device 200 proposed by the present invention is
It is to be applied to repair further for the locking device closed by being applied to the preformed hole 120 to artificial blood vessel 100
It is illustrated for the artificial blood vessel 100 of multiple dissection of aorta.It will be readily appreciated by those skilled in the art that for this is artificial
Blood vessel preformed hole locking device 200 is used to closing the preformed hole 120 of other kinds of artificial blood vessel 100, and to following specific
Embodiment makes a variety of remodeling, addition, replacement, deletion or other variations, these variations are still in artificial blood proposed by the present invention
In the range of the principle of pipe preformed hole locking device 200.
As shown in Figure 1, in the present embodiment, artificial blood vessel's preformed hole locking device 200 proposed by the present invention can be used
In the preformed hole 120 opened up on the tube wall 110 of closing artificial blood vessel 100.Wherein, artificial blood vessel's preformed hole locking device 200 is led
To include outside close membrane 210, inside close membrane 220 and locating ring 230.Below in conjunction with attached drawing, to people proposed by the present invention
Structure, connection mode and the functional relationship information of each chief component of work blood vessel preformed hole locking device 200 are described in detail.
As shown in Figure 1, in the present embodiment, locating ring 230 structure and with both ends and is connected to two in the shape of a spiral
Middle part between end, the both ends of locating ring are connected to outside close membrane 210 and inside close membrane 220.
Further, in the present embodiment, the both ends of locating ring 230 are arranged in outside close membrane 210 and interior respectively
Side close membrane 220, and make the middle part of locating ring 230 between outside close membrane 210 and inside close membrane 220.Furthermore it positions
The outer diameter (i.e. the circle diameter that the spiral ring structure of 230 end of locating ring is generally corresponding to) at the both ends of ring 230 is preferably
More than the outer diameter (i.e. the circle diameter that the spiral ring structure at 230 middle part of locating ring is generally corresponding to) at middle part, and make locating ring
230 monnolithic case is substantially in dumbbell structure.
It holds, in the present embodiment, the middle part of locating ring 230 is arranged in preformed hole 120, and between outside close membrane
Between 210 and inside close membrane 220, that is, the waist in dumbbell structure stage casing is arranged in preformed hole 120, and is closed between outside
Between film 210 and inside close membrane 220.In other embodiments, locating ring can also be arranged in two envelopes respectively at both ends
When closing film, using other overall construction designs or both ends can be selected not to be arranged in when using the design of dumbbell structure
The design of two close membranes, is not limited with present embodiment, can be adjusted flexibly according to demand.
Specifically, as shown in Figure 1, in the present embodiment, when artificial blood vessel's preformed hole locking device 200 is closed in people
During the preformed hole 120 of work blood vessel 100, locating ring 230 is arranged in the preformed hole 120, and outside close membrane 210 and inside close membrane
220 respectively positioned at 110 outside of the tube wall of artificial blood vessel 100 and inside, and both correspond to preformed hole 120 to be closed.Wherein, on
It states about the relativeness between outside close membrane 210 and inside close membrane 220 and the tube wall 110 of artificial blood vessel 100, is to be based on
What the state after the merging artificial blood vessel 100 of artificial blood vessel's preformed hole locking device 200 illustrated.That is, artificial blood vessel reserves
Hole locking device 200 also has other states of such as receiving state when not being placed in artificial blood vessel 100, these states will be
Illustrate in following embodiments about conveying device 300.
Further, as shown in Figure 1, in the present embodiment, the size of outside close membrane 210 is more than inside close membrane
220 size.Accordingly, larger-size outside close membrane 210 selectively can be put into 100 outside of artificial blood vessel by the present invention
False intracavitary, and the smaller inside close membrane 220 of size is put into the true intracavitary of the inside of artificial blood vessel 100, so as to further keep away
Exempted from the design of existing close membrane, when need true chamber should increase size reduce with adequate closure breach, again size with
Design contradiction when avoiding stopping neighbouring bifurcated artery opening.
Further, in the present embodiment, outside close membrane 210 and inside close membrane 220 are preferably rounded.According to
This, it is fixed by being observed under perspective environment during the merging of artificial blood vessel's preformed hole locking device 200 proposed by the present invention
The position of position ring 230, operator more easily can substantially estimate the closed area with locating ring 230 for the center of circle, and root
According to the actual conditions during merging, additional closing, the region for calculating additional closing and the additional envelope of selection are decided whether
The positioning ring position closed.
In other embodiments, other shapes also can be used, such as ellipse in outside close membrane 210 and inside close membrane 220
Circle, rectangle etc..In addition, the shape of outside close membrane 210 and inside close membrane 220 be also not limited to it is identical, such as outside close
When film 210 is rounded, inside close membrane 220 may be selected other shapes or as inside close membrane 220 it is rounded when, outside closing
Other shapes may be selected in film 210, are not limited with present embodiment.Preferably, in the present embodiment, when outside close membrane
210 and during rounded inside close membrane 220, the size based on outside close membrane 210 is more than the size of inside close membrane 220
Design, the diameter of outside close membrane 210 can be preferably 8mm~20mm, and the diameter of inside close membrane 220 can be preferably
4mm~8mm.
Further, as shown in Figure 1, in the present embodiment, the both ends of locating ring 230 are connected to outside close membrane
210 center and the center of inside close membrane 220.Accordingly, when the center that two close membranes are connected to using locating ring 230
Design when, after the completion of the merging of artificial blood vessel's preformed hole locking device 200 proposed by the present invention, can person easy to operation lead to
The position that locating ring 230 is observed under perspective environment is crossed, so as to estimate the big of under perspective environment sightless two close membranes
Position is caused, decision-making foundation is provided for further operation.
In other embodiments, locating ring 230 also may connect to outside close membrane 210 and inside close membrane 220 its
His position.In addition, locating ring 230 and the link position of outside close membrane 210 and inside close membrane 220 are also not limited to identical, example
When being connected to the center of outside close membrane 210 such as locating ring 230, the non-central location of inside close membrane 220 is also may connect to,
Or as locating ring 230 be connected to inside close membrane 220 center when, also may connect to outside close membrane 210 non-central position
It puts, is not limited with present embodiment.
Further, as shown in Figure 1, in the present embodiment, locating ring 230 is connected to one end of outside close membrane 210
The connection mode of outside close membrane 210 can be preferably arranged in.Similarly, locating ring 230 is connected to inside close membrane 220
One end is also preferably the connection mode for being arranged in inside close membrane 220.
Further, in the present embodiment, the design based on the structure in the shape of a spiral of locating ring 230, locating ring 230 are had
Some spiral number of rings can be preferably 4~6.
Further, in the present embodiment, the design based on the structure in the shape of a spiral of locating ring 230, locating ring 230 it is straight
Diameter can be preferably 6mm~8mm, and the axial length of locating ring 230 can be preferably 2mm~10mm.
It should be noted that for the above-mentioned example about 200 each section specifications parameter of artificial blood vessel's preformed hole locking device
Property explanation, be the respective design based on certain common existing artificial blood vessels.For example, in the present embodiment, artificial blood vessel is pre-
The preferable specifications parameter for the artificial blood vessel 100 that locking device 200 of boxing out is applicable in includes, the preformed hole 120 on artificial blood vessel 100
The porosity opened up is preferably 20%~70%, and the aperture of preformed hole 120 is preferably 1.2mm~3.6mm.Certainly, this implementation
The artificial blood vessel's preformed hole locking device 200 illustrated in mode is equally applicable for the artificial blood vessel 100 of other specifications parameters.Or
Person in other embodiments, to be adaptive to the artificial blood vessel 100 of other specifications parameters, can also reserve artificial blood vessel
The related specifications parameter of hole locking device 200 is adjusted flexibly.
It should be noted here that the artificial blood vessel's preformed hole locking device for showing in attached drawing and describing in the present specification is only
It is an example in many kinds of artificial blood vessel's preformed hole locking devices for can use the principle of the invention.It should understand geography
Solution, the principle of the present invention be only limitted to show in attached drawing absolutely not or this specification described in artificial blood vessel's preformed hole locking device
Any part of any details or artificial blood vessel's preformed hole locking device.
Conveying device embodiment
Referring to Fig.2, the assembling that the conveying device 300 that can embody the principle of the present invention is representatively illustrated in Fig. 2 is shown
It is intended to.In the illustrative embodiments, conveying device 300 proposed by the present invention as by the above embodiment to illustrate
It is illustrated for the feeder of the merging artificial blood vessel 100 of artificial blood vessel's preformed hole locking device 200.People in the art
Member makes following specific embodiments a variety of remodeling, adds it is easily understood that adapt to the merging of other locking devices
Add, substitute, deleting or other change, these variations are still in the range of the principle of conveying device 300 proposed by the present invention.
As shown in Fig. 2, in the present embodiment, conveying device 300 proposed by the present invention can be used for proposing the present invention
Artificial blood vessel's preformed hole locking device 200 conveying be placed at the preformed hole 120 to be closed of artificial blood vessel 100.It ties below
Attached drawing is closed, the structure, connection mode and functional relationship of each chief component of conveying device 300 proposed by the present invention are carried out
It is described in detail.
As shown in Fig. 2, in the present embodiment, conveying device 300 proposed by the present invention mainly include delivery conduit 310 with
And locating rod 320.
Specifically, as shown in Fig. 2, in the present embodiment, delivery conduit 310 has storage artificial blood vessel preformed hole envelope
Close the tube chamber of device 200.Locating rod 320 is telescopically arranged in delivery conduit 310, and with locating rod operating side 321 and determines
Position bar positioning end 322, locating rod operating side 321 is exposed to one end of delivery conduit 310, and locating rod positioning end 322, which is resisted against, is in
Artificial blood vessel's preformed hole locking device 200 of receiving state, so that artificial blood vessel's preformed hole locking device 200 is by locating rod 320
It pushes and is stretched out and discharged by delivery conduit 310.
It holds, when artificial blood vessel's preformed hole locking device 200 is accommodated in receiving state in the tube chamber of delivery conduit 310
When, outside close membrane 210 and inside close membrane 220 are respectively in receiving state, such as be approximately similar to umbrella-shaped structure close up shape
State, and it is held in position ring 230 and outside close membrane 210 and interior in the outside close membrane 210 and inside close membrane 220 of receiving state
Side close membrane 220 is connected.Furthermore when artificial blood vessel's preformed hole locking device 200 is in receiving state, based on locating ring 230
The design of dumbbell shaped and helicoidal structure also stretches receiving state in one, such as is approximately similar to the tensional state of spring.
Based on above-mentioned to the exemplary of artificial blood vessel's preformed hole locking device 200 proposed by the present invention and conveying device 300
Illustrate, below to the conveying of artificial blood vessel's preformed hole locking device 200 is placed into the main of artificial blood vessel via conveying device 300
Procedure declaration is as follows.
First, the artificial blood vessel with preformed hole (being usually stent-graft) can be placed in such as bifurcated artery opening
The true chamber of interlayer of the target area adjacent with aorta rupture mouth, while retain bifurcated artery blood supply.The true chamber of interlayer being consequently formed
Wall is Chong Die with the tube wall of artificial blood vessel, i.e., is the true chamber of interlayer, the tube wall outboard structure of artificial blood vessel on the inside of the tube wall of artificial blood vessel
It is followed successively by true cavity wall (the position i.e. aorta rupture mouth that true cavity wall is interrupted), false chamber and false cavity outer wall.
It holds, when pipe of the conveying device 300 through artificial blood vessel 100 for being accommodated with artificial blood vessel's preformed hole locking device 200
When 110 inside of wall is reached at the preformed hole 120 to be closed of artificial blood vessel 100, delivery conduit 310 is inserted into first and is partly worn
Preformed hole 120 is crossed to 110 outside of tube wall of artificial blood vessel 100, delivery conduit 310 is fixed later and pushes determining for locating rod 320
Position bar operating side 321 makes its locating rod positioning end 322 be pushed in the tube chamber of delivery conduit 310 in the artificial of stretching receiving state
Blood vessel preformed hole locking device 200 moves, until outside close membrane 210 is stretched out simultaneously completely from the front end nozzle of delivery conduit 310
In 110 outside of the tube wall release completely of artificial blood vessel 100.Then, delivery conduit 310 is withdrawn to artificial blood vessel from preformed hole 120
100 110 inside of tube wall, the locating rod operating side 321 of stationary positioned bar 320 continues to withdraw delivery conduit 310, makes to remain in
The intraluminal artificial blood vessel's preformed hole locking device 200 that do not discharge of delivery conduit 310 is released, until inside close membrane 220
It is stretched out completely by the front end nozzle of delivery conduit 310 and in 110 inside of the tube wall release completely of artificial blood vessel 100.Conveying device
300 complete the release backed off after random of artificial blood vessel's preformed hole locking device 200.
During the release, the outside close membrane 210 being released and the locating ring 230 being partly released are placed
The false intracavitary on the outside of the true cavity wall of reparation state is collectively formed in 100 tube wall 110 of artificial blood vessel and the true cavity wall of blood vessel, works as delivery conduit
310 from during preformed hole 120 is retracted into the withdrawing of 100 intracavitary of artificial blood vessel, under the fixation of locating rod 320 and locating ring
230 have been released under the positioning action of part, the locating ring 230 that the outside close membrane 210 and part being released have been released
Holding position does not change, and 230 middle part of locating ring is retained in preformed hole 120, as delivery conduit 310 continues to withdraw, interior side seal
It closes film 220 and 230 inboard portion of locating ring is released in the inside of 100 tube wall 110 of artificial blood vessel, ultimately form locating ring 230
It is retained in preformed hole 120 and remains attached between outside close membrane 210 and inside close membrane 220 and be arranged in preformed hole
120 release conditions.
It should be noted here that the conveying device for showing in attached drawing and describing in the present specification is only that can use this hair
An example in many kinds of conveying devices of bright principle.It should be clearly understood that the principle of the present invention is only limitted to absolutely not attached drawing
In show or this specification described in any details of conveying device or any part of conveying device.
In conclusion artificial blood vessel's preformed hole locking device proposed by the present invention, is closed by outside close membrane and inside
Outside close membrane selectively can be put into aorta people by film respectively on the outside of the tube wall of artificial blood vessel with the design of inside
False intracavitary on the outside of work blood vessel, and inside close membrane is put into the true intracavitary on the inside of aorta artificial blood vessel, it will be to be closed with this
Preformed hole and breach close together, close neighbouring bifurcated artery in true chamber so as to largely avoiding existing close membrane and open
The risk of mouth, while more existing close membrane is more abundant to the closing of breach, improves the validity and safety of locking device
Reliability.
Also, due to artificial blood vessel's preformed hole locking device proposed by the present invention can together with artificial blood vessel preformed hole and
Aorta rupture mouth is closed together, can be provided intensity for breach by artificial blood vessel and be supported, conveying merging operation is avoided to cause brokenly
The risk of crack propagation.Furthermore based on the design of artificial blood vessel's preformed hole locking device proposed by the present invention,
The quantity placed can be determined according to the size of aorta rupture mouth, be providing more choices property of clinical treatment and flexibility.
In addition, artificial blood vessel's preformed hole locking device proposed by the present invention avoids the damage of turn of tidal stream operation, avoids " chimney " technology
In leak out danger, avoid the operational risk of branch stent, want to realize closed sandwich breach and to retain bifurcated artery opening logical
While smooth, the incidence of complication is reduced.
It is described in detail above and/or illustrate artificial blood vessel's preformed hole locking device proposed by the present invention and its conveying dress
The illustrative embodiments put.But embodiments of the present invention are not limited to particular implementation as described herein, on the contrary, each
The component part and/or step of embodiment can be independent with other component parts as described herein and/or step and be separately made
With.Each component part of one embodiment and/or each step also can with other component parts of other embodiment and/
Or step is used in combination.When introducing described here and/or diagram element/component part/wait, term "one", " one "
" above-mentioned " etc. to represent there are one or more elements/component part/etc..Term "comprising", " comprising " and " having " are used
With represent it is open be included look like and refer to that the element/component part/in addition to listing also may be present separately other than waiting
Outer element/component part/etc..
Although according to different specific embodiments to artificial blood vessel's preformed hole locking device proposed by the present invention and its defeated
Device is sent to be described, but it will be recognized by those skilled in the art can be in the spirit and scope of the claims to the present invention
Implementation be modified.
Claims (10)
1. a kind of artificial blood vessel's preformed hole locking device, for closing the preformed hole opened up on the tube wall of artificial blood vessel, feature
It is, artificial blood vessel's preformed hole locking device includes：
Outside close membrane and inside close membrane；And
Locating ring, in the shape of a spiral structure and the middle part that there are both ends and be connected between both ends, the both ends of the locating ring
Portion is connected to the outside close membrane and the inside close membrane；
Wherein, when artificial blood vessel's preformed hole locking device is closed in the preformed hole of the artificial blood vessel, the locating ring
Middle part is arranged in the preformed hole, and the outside close membrane and the inside close membrane are located at the tube wall of the artificial blood vessel respectively
Outside and inside, and both correspond to the preformed hole to be closed.
2. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that the ruler of the outside close membrane
The very little size more than the inside close membrane.
3. artificial blood vessel's preformed hole locking device according to claim 2, which is characterized in that the outside close membrane and institute
It is rounded to state inside close membrane；Wherein, a diameter of 8mm~20mm of the outside close membrane, and the inside close membrane
A diameter of 4mm~8mm.
4. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that the outside close membrane is in circle
Shape；And/or the inside close membrane is rounded.
5. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that the both ends of the locating ring
It is arranged in the outside close membrane and the inside close membrane respectively, and the middle part of the locating ring is made to be closed between the outside
Between film and the inside close membrane.
6. artificial blood vessel's preformed hole locking device according to claim 5, which is characterized in that the both ends of the locating ring
Outer diameter be more than middle part outer diameter, and make the locating ring shape be in dumbbell structure.
7. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that the locating ring is connected to institute
State the center of outside close membrane；And/or the locating ring is connected to the center of the inside close membrane.
8. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that possessed by the locating ring
Spiral number of rings is 4~6；And/or a diameter of 6mm~8mm of the locating ring；And/or the axial length of the locating ring is
2mm~10mm.
9. artificial blood vessel's preformed hole locking device according to claim 1, which is characterized in that the institute on the artificial blood vessel
It is 20%~70% to state the porosity that preformed hole opens up；And/or the aperture of the preformed hole is 1.2mm~3.6mm.
10. a kind of conveying device, which is characterized in that the conveying device is used for claim 1~9 any one of them is artificial
The conveying of blood vessel preformed hole locking device is placed at the preformed hole to be closed of artificial blood vessel, and the conveying device includes：
Delivery conduit has the tube chamber for storing artificial blood vessel's preformed hole locking device；And
Locating rod is telescopically arranged in the delivery conduit, and with locating rod operating side and locating rod positioning end, described fixed
Position bar operating side is exposed to one end of the delivery conduit, and the locating rod positioning end is resisted against in the described artificial of receiving state
Blood vessel preformed hole locking device, so that artificial blood vessel's preformed hole locking device is pushed by the locating rod and by the conveying
Conduit is stretched out and is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164616.0A CN108125730A (en) | 2018-02-27 | 2018-02-27 | Artificial blood vessel's preformed hole locking device and its conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164616.0A CN108125730A (en) | 2018-02-27 | 2018-02-27 | Artificial blood vessel's preformed hole locking device and its conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108125730A true CN108125730A (en) | 2018-06-08 |
Family
ID=62431155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810164616.0A Withdrawn CN108125730A (en) | 2018-02-27 | 2018-02-27 | Artificial blood vessel's preformed hole locking device and its conveying device |
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| Country | Link |
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| CN (1) | CN108125730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115005906A (en) * | 2022-06-02 | 2022-09-06 | 上海锦葵医疗器械股份有限公司 | Vascular closure device |
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| CN115005906B (en) * | 2022-06-02 | 2023-02-24 | 上海锦葵医疗器械股份有限公司 | Vascular closure device |
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