CN205849590U - Aortic windowing branch overlay film frame - Google Patents
Aortic windowing branch overlay film frame Download PDFInfo
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- CN205849590U CN205849590U CN201620511833.9U CN201620511833U CN205849590U CN 205849590 U CN205849590 U CN 205849590U CN 201620511833 U CN201620511833 U CN 201620511833U CN 205849590 U CN205849590 U CN 205849590U
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Abstract
The utility model discloses a kind of aortic windowing branch overlay film frame, comprise the tubular armature being made up of filament, and cover the overlay film in described tubular armature, the proximal part of described tubular armature is suitably inserted in the window of aortic windowing overlay film frame, connect with described aortic windowing overlay film frame, the distal end of described tubular armature is suitably inserted in branch vessel, and the described proximal part of described tubular armature is harder than distal end.This aortic windowing branch overlay film frame belongs to stent technology field, reduce and retain in the aorta lumen of branch blood flow while Minimally Invasive Surgery operation easier, solve the technical problem easily producing internal hemorrhage due to trauma in operation, the tortuous of laminating branch vessel can be complied with, effectively prevent the damage to branch vessel, the more inaccessible and generation of internal hemorrhage due to trauma.
Description
Technical field
This utility model belongs to intravascular stent field, particularly to a kind of aortic windowing branch overlay film frame.
Background technology
Normal arterial wall middle level is rich in elastic fibers, carries out relaxing contracting with each heartbeat and transmits blood.Middle level is impaired, elastic force
Fibrous fracture, instead fibrous scar tissue, arterial wall i.e. follows the string, it is impossible to tolerance blood flow impact, causes blood vessel wall bulging
Or inner membrance tears, form aortic aneurysm or interlayer.Dissection of aorta is that a kind of state of an illness is dangerous, progress is rapid, mortality rate is high
Arotic disease, sickness rate is about 0.3%, and undressed Infant Mortality is incremented by 1% per hour, the patient of more than 50%
Death in 1 week.
Along with the development of Medical Technology, open surgery, hybridization hands are more and more used for dangerous arotic disease
The method of the surgery such as art or Minimally Invasive Surgery carries out positive treatment.By the method for Wicresoft, overlay film frame is placed into pathological changes position
Putting thus reach to completely cut off pathological changes, effectively protection aortic aneurysm wall is from the compressing of system arterial pressure, and then prevents aortic aneurysm, folder
The technology that layer ruptures is referred to as aorta lumen endoprosthesis (EVAR), and this technology is because wound is little, therapeutic effect has become
Critical treatment for Type B dissection of aorta and infrarenal abdominal aorta tumor selects.Have to retain mainly for adjoining or involving
The pathological changes of branch vessel, as involved the A type interlayer of ascending aorta and aortic arch, the most conventional method is still by open hands
Art replaces pathological changes tremulous pulse with artificial blood vessel, will be in certain time with block aortic blood the most completely in open surgery
Stream, needs the close fit of surgery, anesthesia and extracorporeal circulation and operating room, and the most several hospitals just have the ability to carry out
Operation on aorta, the extracorporeal circulation of operation on aorta long period in addition, cardiac muscle block and organism temperature fluctuation, make aorta
The incidence rate of operating postoperative death rate and other systematic complication, apparently higher than other operation on heart, especially involves master
The operation of the arch of aorta.On the one hand it is that A type interlayer patient has accounted for 80% in interlayer case, is on the other hand open surgery difficulty
Greatly, post-operative complication is high, it is difficult to carry out on a large scale, the most constantly has new technology to propose and application is for extending Wicresoft's intracavity
The prosthetic scope of application, the such as overlay film frame of band branch, windowing technology, chimney technology, periscope technology, by hybridization hands
Art carries out turn of tidal stream for retaining the blood supply of important branch blood vessel.
In component is directed to branch vessel by the one-body molded support with branch, release has the biggest difficulty, uses
Less invasive techniques the most successfully obtains the most single branch stent of clinical practice, and aortic arch part has three important branch, branch
Spaced position individual variation very big, multiple-limb support has been reported that in open surgery at present and carries out Clinical practice, but will band
Even if the support having three branches is directed simultaneously to also be extremely difficult in open surgery in respective branch blood vessel.Window
Technology is to window hole at the overlay film of branch vessel opening part corresponding to overlay film frame, retains the blood supply of branch, and windowing stent disposes
Time only need to try one's best window opening align fingers blood vessel, operate relatively easy, can apply to the reservation of multiple-limb, but easily produce
I type internal hemorrhage due to trauma.Chimney technology is similar with periscope technology, is all to main at the outer connected component's blood vessel placed side by side of overlay film frame
The little overlay film frame of tremulous pulse, this technology is mostly used in one branch vessel of reservation at present, but easily presses off branch's overlay film
Support, owing to overlay film frame is placed side by side, it is easy to produces I type internal hemorrhage due to trauma.
Utility model content
To this end, the technical problems to be solved in the utility model is to overcome the support hands of existing reservation branch vessel function
Art technology requires that high, operation easier greatly, or cannot be avoided the branch vessel of pathological changes to produce internal hemorrhage due to trauma, thus provide one effectively to keep away
The branch vessel exempting from pathological changes produces internal hemorrhage due to trauma, is easy to the aortic windowing branch overlay film frame of operation technique.
A kind of aortic windowing branch of the present utility model overlay film frame, comprises the tubular armature turned to by filament, with
And covering the overlay film forming perisporium in described tubular armature, the proximal part of described tubular armature is suitably inserted into aortic windowing and covers
In the window of membrane support, connecting with described aortic windowing overlay film frame, the distal end of described tubular armature is suitably inserted into branch
Ink vessel transfusing, and the described proximal part of described tubular armature is harder than distal end.
The diameter of described proximal part is bigger than the diameter of described distal end.
The joint of described proximal part and described distal end is tiltedly to take on transition.
Linked into an integrated entity by described overlay film between skeleton and the skeleton of described proximal part of described distal end.
Linked into an integrated entity by described filament between skeleton and the skeleton of described proximal part of described distal end.
The skeleton of described distal end includes the multiple corrugated first filament circle turned to by described filament, and described
It is integrally connected into tubular structure by filament between one filament circle.
Multiple described first filament circles and connect the described filament of multiple described first filament circle by same filament
Coiling forms.
The skeleton of described distal end includes the multiple corrugated first filament circle turned to by described filament, described first
Filament circle is integrally connected into tubular structure by described overlay film.
Being nested with crest with crest between adjacent two described first filament circles, the mode that trough and trough are nested is arranged.
Pass through between first filament circle described in adjacent with on one end that described proximal part is connected the two of described distal end
Filament is connected.
Described proximal part is provided with in the described window stretching into described aortic windowing overlay film frame, and prolonging in softened state
Stretch cluster parachute portion.
The distraction angle in described extension cluster parachute portion is less than 90 ° more than 30 °.
Skeleton at described proximal part is the rhombus net grating texture become by a filament interlaced helical.
Skeleton at described proximal part includes multiple corrugated second filament circle, and connect adjacent two described second thin
The connection filament of wire ring, each described second filament circle is formed by a filament coiling.
In described tubular armature, the filament wound at described proximal part is more intensive than the filament wound at described distal end.
In described tubular armature, the diameter of described filament at described proximal part is than the described filament at described distal end
Diameter is big.
The material of the described filament at described proximal part is harder than the material of the described filament at described distal end.
Described filament is tinsel.
Described material wiry is Nitinol, rustless steel or titanium.
Technique scheme of the present utility model has the advantage that compared to existing technology
(1), in aortic windowing branch of the present utility model overlay film frame, the tubular armature turned to by filament is comprised, with
And covering the overlay film forming perisporium in described tubular armature, the proximal part of described tubular armature is suitably inserted into aortic windowing and covers
In the window of membrane support, connecting with described aortic windowing overlay film frame, the distal end of described tubular armature is suitably inserted into branch
Ink vessel transfusing, and the described proximal part of described tubular armature is harder than distal end.Aortic windowing branch of the present utility model overlay film props up
Frame, the proximal part of tubular armature is harder than distal end, when distal end inserts in branch vessel, owing to the quality of distal end is more soft
Soft, compliance is good, antitorque knot, it is possible to complies with the tortuous of laminating branch vessel, effectively prevents the damage to branch vessel；In telecentricity
After end inserts branch vessel, time in the window of proximal part insertion aortic windowing overlay film frame, owing to the quality of proximal part compares
Firmly, branch's overlay film frame can be made to closely cooperate with aortic windowing overlay film frame, obtain preferable sealing effectiveness, prevent internal hemorrhage due to trauma
Generation.Additionally, aortic windowing branch of the present utility model overlay film frame, may be used for thoracic aorta branch vessel, it is possible to
For the branch vessel of other aortas such as ventral aorta, compared to existing aortic windowing branch overlay film frame generally with
Aortic stents is one-body molded, and is only used for thoracic aorta branch vessel or is only used for ventral aorta branch vessel, this
The range of application of utility model is quite varied.
(2), in aortic windowing branch of the present utility model overlay film frame, the diameter of described proximal part is than described distal end
Diameter big.Due to when aortic windowing overlay film frame windowing, for ensureing aortic windowing overlay film frame and branch vessel
Between the most unimpeded, it will usually that is opened by window is bigger than normal, and what the diameter of branch vessel determined that, so when distal end inserts
After in branch vessel, proximal part diameter is bigger than distal end diameter, beneficially branch's overlay film frame and aortic windowing overlay film frame
Closely cooperate, obtain preferable sealing effectiveness, prevent the generation of internal hemorrhage due to trauma.
(3) in aortic windowing branch of the present utility model overlay film frame, the skeleton of described distal end include by described carefully
The multiple corrugated first filament circle that filament winding is made, and it is integrally connected into tubulose knot by filament between described first filament circle
Structure.So make multiple described first filament circle the most connect into an entirety by filament before covering overlay film, have
Preferably kink resistance, it is possible to effectively prevent again inaccessible.
(4), in aortic windowing branch of the present utility model overlay film frame, multiple described first filament circles and connection are many
The described filament of individual described first filament circle is formed by same filament coiling.A piece filament coiling, not only simplify manufacture
Technique, has more preferable pliability and can preferably comply with the tortuous of laminating branch vessel, effectively prevent the damage to branch vessel
Wound.
(5) in aortic windowing branch of the present utility model overlay film frame, between adjacent two described first filament circles with
Crest is nested with crest, and the mode that trough and trough are nested is arranged.So the arbitrary cross section making described distal end is had
Filament, while the compliance that distal end possesses, also ensure that toughness and the support performance of distal end so that distal end can
Prop up branch vessel, antitorque knot, effectively prevent between aortic windowing overlay film frame and branch vessel, and branch vessel is again
Inaccessible.
(6), in aortic windowing branch of the present utility model overlay film frame, described connector is filament, described first filament
Circle and described connector are formed by same filament coiling.So make multiple described first filament circle before covering overlay film
The most it is coiled into an entirety by a filament, there is more preferable pliability and kink resistance, it is possible to preferably comply with laminating point
Branch vessel tortuous, effectively prevents the damage to branch vessel and inaccessible again.
(7) in aortic windowing branch of the present utility model overlay film frame, being connected with described proximal part of described distal end
It is connected by filament between first filament circle described on the one end connect adjacent two.This being connected with proximal part at distal end
The mode using filament to connect between the first filament circle of the one end connect, both can ensure that distal end had near proximal part position
Have and preferably connect effect, it is also possible to the suitable compliance ensureing distal end.
(8), in aortic windowing branch of the present utility model overlay film frame, described proximal part is provided with and stretches into described aorta
Window in the described window of overlay film frame, and the extension cluster parachute portion in softened state.Described extension cluster parachute portion, can make described active
Arteries and veins branch's overlay film frame of windowing firmly is connected with described aortic windowing overlay film frame, fits tightly, and significantly reduces from two
The connecting portion leakage blood of person or the risk of obturation, and the situation that described branch vessel pathological changes is more serious can be effectively applied to.
(9), in aortic windowing branch of the present utility model overlay film frame, the skeleton at described proximal part is thin by one
The rhombus net grating texture that silk interlaced helical becomes.The forming degree of this structure is good, can make described proximal part and described aorta
The window of overlay film frame of windowing preferably coordinates.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, it is embodied as below according to of the present utility model
Example also combines accompanying drawing, is described in further detail this utility model, wherein
Fig. 1 is the structural representation of the aortic windowing branch overlay film frame of embodiment 1；
Fig. 2 is the schematic diagram that the aortic windowing branch overlay film frame of embodiment 1 is arranged in branch vessel；
Fig. 3 is a kind of distressed structure schematic diagram of the aortic windowing branch overlay film frame of embodiment 1；
Fig. 4 is the structural representation that embodiment 2 extends the aortic windowing branch overlay film frame arranged down in cluster parachute portion；
Fig. 5 is the schematic diagram that embodiment 2 aortic windowing branch overlay film frame is arranged in branch vessel；
Fig. 6 is the structural representation that embodiment 2 extends the upwardly disposed aortic windowing branch overlay film frame in cluster parachute portion.
In figure, reference is expressed as: 1-tubular armature, 11-the first filament circle, 12-the second filament circle, 100-aorta
Window branch's overlay film frame, 2-overlay film, 3-proximal part, 4-distal end, 5-aortic windowing overlay film frame, 6-extends cluster parachute portion,
7-aorta, 8-branch vessel, 9-connectivity part, 10-connects filament.
Detailed description of the invention
Below with reference to accompanying drawing, use following example that this utility model is further elaborated.
Embodiment 1
Refering to Fig. 1 and Fig. 2, a kind of aortic windowing branch overlay film frame 100, comprise the tubular armature turned to by filament
1, and cover the overlay film 2 forming perisporium in described tubular armature 1, the proximal part 3 of described tubular armature 1 is suitably inserted into actively
Arteries and veins window overlay film frame 5 window in, connect with described aortic windowing overlay film frame 5, the distal end 4 of described tubular armature 1
It is suitably inserted in branch vessel 8, and the described proximal part 3 of described tubular armature 1 is harder than distal end 4.Described tubular armature 1 near
Heart end 3 and distal end 4 link together by covering the overlay film 2 forming perisporium in described tubular armature 1.
Aortic windowing branch of the present utility model overlay film frame 100 inserting when operation can have following two side
Formula:
The first: carrier (not shown) is enclosed within outside aortic windowing branch overlay film frame 100, by carrier from actively
The connectivity part 9 of arteries and veins 7 and branch vessel 8 enters branch vessel 8, and wherein distal end 4 is introduced into, and proximal part 3 subsequently enters, until near
Heart end 3 near connectivity part 9 and in mating connection with the window of aortic windowing overlay film frame 5 time, take out carrier, complete actively
The window operation of branch's overlay film frame 100 of arteries and veins is inserted.
The second: carrier is enclosed within outside aortic windowing branch overlay film frame 100, carrier is remote from branch vessel 8
Enter branch vessel 8 from one end of aorta 7, move aortic windowing branch overlay film frame 100 towards aorta 7, until near
Heart end 3 near connectivity part 9 and in mating connection with the window of aortic windowing overlay film frame 5 time, take out carrier, complete actively
The window operation of branch's overlay film frame 100 of arteries and veins is inserted.
Aortic windowing branch of the present utility model overlay film frame 100 applies to intravascular stent field, by by aorta
The proximal part 3 of branch's overlay film frame 100 of windowing inserts in the window of aortic windowing overlay film frame 5, with aortic windowing overlay film
Support 5 connects, and is inserted by distal end 4 in branch vessel 8, when aorta 7 pathological changes is involved or during neighbouring branch vessel 8, permissible
Avoid branch vessel 8 to be blocked by aortic windowing branch overlay film frame 100, and then keep the function of branch vessel 8.
Aortic windowing branch of the present utility model overlay film frame 100, the proximal part 3 of tubular armature 1 is harder than distal end 4,
When distal end 4 inserts in branch vessel 8, owing to the quality of distal end 4 is soft, compliance is good, antitorque knot, it is possible to comply with
Laminating branch vessel tortuous, effectively prevent the damage to branch vessel；After distal end 4 inserts branch vessel 8, proximal part is inserted
When entering in the window of aortic windowing overlay film frame 5, owing to the quality of proximal part 3 is harder, can make branch's overlay film frame with
Aortic windowing overlay film frame closely cooperates, and obtains preferable sealing effectiveness, prevents the generation of internal hemorrhage due to trauma.
Additionally, aortic windowing branch of the present utility model overlay film frame 100, may be used for thoracic aorta branch vessel,
Can be used for the branch vessel of other aortas such as ventral aorta, lead to compared to existing aortic windowing branch overlay film frame
The most one-body molded with aortic stents, and be only used for thoracic aorta branch vessel or be only used for ventral aorta branch blood
Pipe, range of application of the present utility model is quite varied.
Described overlay film 2 can cover at described tubular armature 1 outer surface, it is also possible to covers table in described tubular armature 1
Face, it is also possible to the surfaces externally and internally in described tubular armature 1 all covers described overlay film 2.In the present embodiment, the most described overlay film 2
Cover outside described tubular armature 1.The diameter of described proximal part 3 is bigger than the diameter of described distal end 4.Due at aortic windowing
During overlay film frame windowing, the most unimpeded for ensureing between aortic windowing overlay film frame and branch vessel 8, it will usually window is opened
Bigger than normal, and what the diameter of branch vessel 8 determined that, so after distal end 4 inserts in branch vessel 8, proximal part 3 is straight
Footpath is bigger than distal end 4 diameter, and beneficially branch's overlay film frame closely cooperates with aortic windowing overlay film frame, obtains the closeest
Envelope effect, prevents the generation of internal hemorrhage due to trauma.
In the present embodiment, between skeleton and the skeleton of described proximal part 3 of described distal end 4 by described overlay film 2 even
It is connected into one.
As deformation, it is also possible to be, between skeleton and the skeleton of described proximal part 3 of described distal end 4 by described carefully
Silk links into an integrated entity.
The skeleton of described distal end 4 includes the multiple corrugated first filament circle 11 turned to by described filament, and institute
State and be integrally connected into tubular structure by filament between the first filament circle 11.Multiple described first filament circle 11 is so made to cover
The most connect into an entirety by filament before blanketing film 2, there is more preferable kink resistance, it is possible to effectively prevent from closing again
Plug.
Multiple described first filament circles 11 and connect the described filament of multiple described first filament circle 11 by same
Filament coiling forms.A piece filament coiling, not only simplify manufacturing process, has more preferable pliability and can preferably comply with patch
Close the tortuous of branch vessel, effectively prevent the damage to branch vessel.
As deformation, the skeleton of described distal end 4 includes multiple corrugated first filament turned to by described filament
Circle 11, described first filament circle 11 is integrally connected into tubular structure by described overlay film 2.
Further, being nested with crest with crest between adjacent two described first filament circles 11, trough is nested with trough
Mode arrange.So the arbitrary cross section making described distal end 4 there is is filament, the compliance possessed at distal end 4
Meanwhile, also ensure that toughness and the support performance of distal end 4 so that distal end 4 can prop up branch vessel 8, antitorque knot, effectively
Prevent between aortic windowing overlay film frame and branch vessel 8, and the obturation again of branch vessel 8.
Can also further on one end being connected with described proximal part 3 of described distal end 4 adjacent two described in
It is connected by filament between one filament circle 11.This first filament circle in one end being connected with proximal part 3 of distal end 4
The mode using filament to connect between 11, both can ensure that distal end 4 had near proximal part 3 position and had preferably connected effect
Really, it is also possible to the suitable compliance ensureing distal end 4.
Described proximal part 3 is provided with in the described window stretching into described aortic windowing overlay film frame 5, and in softened state
Extend cluster parachute portion 6.Described extension cluster parachute portion 6, can make described aortic windowing branch overlay film frame 100 and described aortic windowing
Overlay film frame 5 firmly connects, fits tightly, and easy to operate, effective fixing prevents branch stent from coming off, and significantly reduces from two
The connecting portion internal hemorrhage due to trauma of person, leakage blood or the risk of obturation, and the feelings that described branch vessel pathological changes is more serious can be effectively applied to
Condition.
Specifically, the distraction angle in described extension cluster parachute portion 6 is less than 90 ° more than 30 °.
Skeleton concrete structure at described proximal part 3, the present embodiment is preferred, a filament interlaced helical rhombus net become
Grating texture, refering to Fig. 1, the forming degree of this structure is good, can make described proximal part and described aortic windowing overlay film frame
Window preferably coordinate.
As deformation, as it is shown on figure 3, the skeleton concrete structure at described proximal part 3, it is also possible to it is to include multiple waveform
The second filament circle 12, and connect the connection filament 10 of adjacent two described second filament circles 12, each described second filament circle
12 are formed by a filament coiling.It is nested with crest with crest between two the most adjacent described second filament circles 2, and at ripple
Being connected by described connection filament 10 at peak, trough is nested with trough, and connected by described connection filament 10 at described trough
Mode is arranged, the material of described connection filament is identical with the material of described filament.
The specific implementation that the described proximal part 3 of described tubular armature 1 is harder than distal end 4 has multiple, such as, can lead to
Cross filament diameter, the filament wound number of turns and the material etc. of filament changed at proximal part 3 and distal end 4 liang.Concrete it may be that institute
The diameter stating in tubular armature 1 described filament at described proximal part 3 is bigger than the diameter of the described filament at described distal end 4.
Can also further, in described tubular armature 1 described filament at described proximal part 3 than described distal end 4 at
Described filament wound intensive.
Or, the most described filament is tinsel, and described material wiry is usually Nitinol, rustless steel or titanium,
Therefore the filament material at described distal end 4 can be elected as elastic preferable, the Nitinol that hardness is less, and by the described nearly heart
The filament material at 3 is held to elect the bigger rustless steel of hardness or titanium as.Certainly, the institute at described distal end 4 and described proximal part 3
State the situation that the material of filament is not limited in the example above, if only being come by the change of distal end 4 and proximal part 3 material
Form the nonhomogeneous hardness at described distal end 4 and described proximal part 3, as long as meeting the material of the described filament at described proximal part 3
Matter is harder than the material of the described filament at described distal end 4, all should fall in protection domain of the present utility model.
In the present embodiment, the described filament wound number of turns at the most described proximal part 3 is than described at described distal end 4
The filament wound number of turns is many, and the filament material of described proximal part 3 and described distal end 4 the most all selects good springiness, hardness moderate
Nitinol.
Embodiment 2
As Figure 4-Figure 6, the present embodiment is substantially the same with embodiment 1, and difference is: the institute of described tubular armature 1
State the diameter of proximal part 3 and the equal diameters of described distal end 4.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among the protection domain still in this utility model creation.
Claims (19)
1. an aortic windowing branch overlay film frame, comprises the tubular armature (1) turned to by filament, and covers described
The upper overlay film (2) forming perisporium of tubular armature (1), it is characterised in that: the proximal part (3) of described tubular armature (1) is suitably inserted into
In the window of aortic windowing overlay film frame (5), connect with described aortic windowing overlay film frame (5), described tubular armature (1)
Distal end (4) be suitably inserted into branch vessel (8) in, and the described proximal part (3) of described tubular armature (1) is than distal end (4)
Firmly.
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: described proximal part (3) straight
Footpath is bigger than the diameter of described distal end (4).
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: described proximal part (3) and institute
State the joint of distal end (4) tiltedly to take on transition.
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: the bone of described distal end (4)
Linked into an integrated entity by described overlay film (2) between the skeleton of frame and described proximal part (3).
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: the bone of described distal end (4)
Linked into an integrated entity by described filament between the skeleton of frame and described proximal part (3).
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: the bone of described distal end (4)
Frame includes the multiple corrugated first filament circle (11) turned to by described filament, and logical between described first filament circle (11)
Cross filament and be integrally connected into tubular structure.
Aortic windowing branch the most according to claim 6 overlay film frame, it is characterised in that: multiple described first filament circles
And connect the described filament of multiple described first filament circle (11) and formed by same filament coiling (11).
Aortic windowing branch the most according to claim 1 overlay film frame, it is characterised in that: the bone of described distal end (4)
Frame includes the multiple corrugated first filament circle (11) turned to by described filament, and described first filament circle (11) is by described
Overlay film (2) is integrally connected into tubular structure.
Aortic windowing branch the most according to claim 6 overlay film frame, it is characterised in that: adjacent two described first thin
Wire ring is nested with crest with crest between (11), and the mode that trough and trough are nested is arranged.
Aortic windowing branch the most according to claim 6 overlay film frame, it is characterised in that: described distal end (4) with
It is connected by filament between first filament circle (11) described on one end adjacent two that described proximal part (3) is connected.
11. aortic windowing branch according to claim 1 overlay film frames, it is characterised in that: described proximal part (3) is provided with
Stretch in the described window of described aortic windowing overlay film frame (5), and the extension cluster parachute portion (6) in softened state.
12. aortic windowing branch according to claim 10 overlay film frames, it is characterised in that: described extension cluster parachute portion
(6) distraction angle is less than 90 ° more than 30 °.
13. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described closely
The skeleton at heart end (3) place is the rhombus net grating texture become by a filament interlaced helical.
14. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described closely
The skeleton at heart end (3) place includes multiple corrugated second filament circle (12), and connects adjacent two described second filament circles (2)
Connection filament (10), each described second filament circle (2) is formed by a filament coiling.
15. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described pipe
The described filament wound at upper described proximal part (3) place of shape skeleton (1) is more intensive than the described filament wound at described distal end (4) place.
16. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described pipe
The diameter of the described filament at upper described proximal part (3) place of shape skeleton (1) is than the diameter of the described filament at described distal end (4) place
Greatly.
17. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described closely
The material of the described filament at heart end (3) place is harder than the material of the described filament at described distal end (4) place.
18. according to the aortic windowing branch overlay film frame according to any one of claim 1-12, it is characterised in that: described carefully
Silk is tinsel.
19. aortic windowing branch according to claim 18 overlay film frames, it is characterised in that: described material wiry
For Nitinol, rustless steel or titanium.
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| CN201620511833.9U CN205849590U (en) | 2016-05-31 | 2016-05-31 | Aortic windowing branch overlay film frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943199A (en) * | 2016-05-31 | 2016-09-21 | 李晓东 | Aortic windowing branch covered stent |
| CN107157616A (en) * | 2017-06-22 | 2017-09-15 | 苏州卡睿知光电科技有限公司 | A kind of aortic windowing branch overlay film frame |
| CN113384381A (en) * | 2021-08-17 | 2021-09-14 | 上海微创心脉医疗科技(集团)股份有限公司 | Medical device |
-
2016
- 2016-05-31 CN CN201620511833.9U patent/CN205849590U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943199A (en) * | 2016-05-31 | 2016-09-21 | 李晓东 | Aortic windowing branch covered stent |
| CN107157616A (en) * | 2017-06-22 | 2017-09-15 | 苏州卡睿知光电科技有限公司 | A kind of aortic windowing branch overlay film frame |
| CN113384381A (en) * | 2021-08-17 | 2021-09-14 | 上海微创心脉医疗科技(集团)股份有限公司 | Medical device |
| WO2023020410A1 (en) * | 2021-08-17 | 2023-02-23 | 上海微创心脉医疗科技(集团)股份有限公司 | Medical device |
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