CN108392295A - Branch artificial blood vessel - Google Patents
Branch artificial blood vessel Download PDFInfo
- Publication number
- CN108392295A CN108392295A CN201710915904.0A CN201710915904A CN108392295A CN 108392295 A CN108392295 A CN 108392295A CN 201710915904 A CN201710915904 A CN 201710915904A CN 108392295 A CN108392295 A CN 108392295A
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- Prior art keywords
- branch
- trunk
- blood vessel
- artificial blood
- port
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- 239000002473 artificial blood Substances 0.000 title claims abstract description 57
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 55
- 238000013461 design Methods 0.000 abstract description 15
- 210000001367 artery Anatomy 0.000 abstract description 13
- 238000013152 interventional procedure Methods 0.000 abstract description 3
- 210000000709 aorta Anatomy 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 200000000007 Arterial disease Diseases 0.000 description 3
- 210000002376 aorta thoracic Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 230000017531 blood circulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000007547 defect Effects 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
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000002792 vascular Effects 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
- A61F2/07—Stent-grafts
-
- 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
- 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
- A61F2/07—Stent-grafts
- A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
Landscapes
- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention discloses a kind of branch artificial blood vessel comprising trunk, branch and changeover portion.Branch coils the portion perimeter in trunk outer wall and includes connectivity port and free port.Changeover portion is communicated between the connectivity port of branch and trunk.Wherein, the free port of branch is located at the two opposite sides of trunk radial direction with changeover portion.This hair effectively extends the length of branch, to extend the socket length between grafting independence overlay film frame and branch artificial blood vessel, advantageously reduces the risk that interior leakage occurs by being arranged branch's coiling on trunk.Simultaneously, the present invention is by being the structure with connectivity port and free port by branch design, i.e. by component it is free be connected to trunk, so as to reserve enough operating spaces between the free port of branch and bifurcated artery opening, be conducive to interventional procedure when grafting independence overlay film frame, reduce the complexity of operation.
Description
Technical field
The present invention relates to artificial blood vessel's technical fields, in particular to a kind of artificial blood of branch of branch coiling setting
Pipe.
Background technology
Currently, in the treatment of arterial disease, especially for lesions such as aneurysms, frequently with interventional method in lumen of artery
Treated, by the way that artificial blood vessel to be sent into and covered arterial disease position, realize artificial blood vessel to arterial disease position every
From elimination non-physiologic blood flow caused by lesion.
However, the tumor-like lesion for being happened at such as aortic arch, artificial blood vessel can be in the same of isolation diseased region
When close bifurcated artery, then cause the ischemic in bifurcated artery vascularity region.In order to solve the above technical problems, this field skill
Art personnel use the structure design similar to " chimney ", and grafting independence overlay film frame connects after trunk artificial blood vessel surface trepanning
In bifurcated artery, to solve the problems, such as the blood supply of bifurcated artery.However, due to the independent overlay film frame and the artificial blood of trunk of grafting
Only have thin layer trunk artificial blood vessel between pipe and obstruct blood flow from trunk artificial blood vessel spilling, therefore, above-mentioned existing design is easy to lead
In causing the problem of leakage.
Invention content
A primary object of the present invention is to overcome at least one defect of the above-mentioned prior art, provides in a kind of reduction
Possible branch artificial blood vessel occurs for leakage.
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 branch artificial blood vessel is provided, wherein the branch artificial blood vessel includes master
Dry, branch and changeover portion.The branch coils the portion perimeter in the trunk outer wall and includes connectivity port and free-end
Mouthful.The changeover portion is communicated between the connectivity port of the branch and the trunk.Wherein, the free port of the branch with
The changeover portion is located at the two opposite sides of the trunk radial direction.
One of embodiment according to the present invention, the trunk have first port.Wherein, the branch is described
The relatively described trunk is obliquely installed in trunk axial direction, and the relatively free port in connectivity port of the branch is close to the first port.
One of embodiment according to the present invention, between the setting direction of the branch and the axial direction of the trunk
Angle of inclination is 30 °~90 °.
One of embodiment according to the present invention, the changeover portion are oval.Wherein, the long axis of the changeover portion
The ratio of diameter of length and the branch be 1~2.
One of embodiment according to the present invention, the ratio of the length and the perimeter of the trunk of each branch
It is 0.5~1.
One of embodiment according to the present invention, each branch be divided into its neighbouring connectivity port interconnecting piece and
The free portion of its neighbouring free port, the interconnecting piece are fixedly connected on the trunk outer wall, and the free portion is free on described
Trunk outer wall.
One of embodiment according to the present invention, it is described branch into it is multiple.Wherein, multiple branches are along the master
Dry axially spaced-apart arrangement.
One of embodiment according to the present invention, multiple branches are mutually parallel.And/or multiple branches
It coils in phase the same side of the trunk.
One of embodiment according to the present invention, the branch artificial blood vessel further include multiple annular trunk holders
And/or multiple looped branch holders.Multiple annular trunk holders are respectively around set on the trunk and along the trunk axis
To being alternatively arranged.Multiple looped branch holders are arranged around set on the branch and along branch's coil direction interval respectively
Row.
One of embodiment according to the present invention, the branch artificial blood vessel further include multiple arcs changeover portion branch
Frame.Multiple arc-shaped transition section holders are respectively arranged on the changeover portion.
As shown from the above technical solution, it is with good effect the advantages of branch artificial blood vessel proposed by the present invention：
Branch artificial blood vessel proposed by the present invention effectively extends branch by being arranged branch's coiling on trunk
Length advantageously reduces interior leakage hair to extend the socket length between grafting independence overlay film frame and branch artificial blood vessel
Raw risk.Meanwhile the present invention by by branch design be the structure with connectivity port and free port, i.e., by component
It is connected to trunk freely, it is empty so as to reserve enough operations between the free port of branch and bifurcated artery opening
Between, be conducive to interventional procedure when grafting independence overlay film frame, reduce the complexity of operation.
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 the structural schematic diagram of branch artificial blood vessel shown according to an illustrative embodiments a kind of；
Fig. 2 is the sectional view of the branch artificial blood vessel shown in Fig. 1.
Wherein, the reference numerals are as follows：
100. trunk；
110. first port；
200. branch；
210. interconnecting piece；
220. free portions；
230. free ports；
300. changeover portion.
Specific implementation mode
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 can use component, structure, exemplary means, system and step other specified schemes, and
And structural and functional modification can be carried out without departing from the scope of the invention.Although moreover, can be used in this specification
Term " end ", " both sides " etc. describe the different example features and element of the present invention, but these terms are in this article
Merely for convenient, for example, with reference to the accompanying drawings described in exemplary direction.Any content in this specification, which is not necessarily to be construed that, to be needed
The specific three dimensional direction of structure is wanted just to fall within the scope of the present invention.
Refering to fig. 1, the structure that the branch artificial blood vessel that can embody the principle of the present invention is representatively illustrated in Fig. 1 is shown
It is intended to.In the illustrative embodiments, branch artificial blood vessel proposed by the present invention is to be adapted to the application of aortic arch
It is illustrated for environment.It will be readily appreciated by those skilled in the art that apply aspects of the present inventions to other
In the application environment of type, and a variety of remodeling, addition, replacement, deletion or other variations are made to following specific implementation modes,
These variations are still in the range of the principle of branch artificial blood vessel proposed by the present invention.
As shown in Figure 1, in the present embodiment, branch artificial blood vessel proposed by the present invention includes mainly 100, three, trunk
Branch 200 and three changeover portions 300.Cooperation is referring to Fig.2, the principle of the invention can be embodied by being representatively illustrated in Fig. 2
The sectional view of branch artificial blood vessel, specific 100, branches 200 of trunk for indicating branch artificial blood vessel and a changeover portion 300
Sectional structure.Below in conjunction with above-mentioned attached drawing, to the structure of each chief component of branch artificial blood vessel proposed by the present invention,
Connection type and functional relationship are described in detail.
It should be noted that in the present embodiment, branch artificial blood vessel is using aortic arch as its application environment.Base
In the form for three bifurcated arteries that the arch of aorta has, present embodiment is illustrated with three branches 200.It is readily appreciated that
, according to different application demands, branch artificial blood vessel also may include a branch or Liang Ge branches, to correspond to aorta
Bend one of three bifurcated arteries or in which one or two wantonly.Certainly, in other embodiments, as branch artificial blood vessel
Applied in other application environment, the quantity of branch can also be adjusted flexibly according to the quantity of the branch vessel of application environment, not
It is limited with present embodiment.
As shown in Figure 1, in the present embodiment, by taking the application environment of the arch of aorta as an example, the three of branch artificial blood vessel
A branch 200 is respectively arranged on trunk 100, and three branches 200 are alternatively arranged in 100 axial direction of trunk, and three branches 200 are distinguished
Positioned at phase the same side of trunk 100, and it is roughly the same with the relative position of trunk 100.
As depicted in figs. 1 and 2, in the present embodiment, include mainly interconnecting piece for a branch 200
210, free portion 220, connectivity port and free port 230.Wherein, branch 200 is substantially in a whole artificial blood vessel structure, even
Socket part 210 and free portion 220 are the relativeness according to branch 200 and trunk 100 and divide, connectivity port and free port
230 be the port at the both ends of branch 200.
Specifically, as depicted in figs. 1 and 2, in the present embodiment, the coiling of each branch 200 is arranged in trunk 100
Outer wall, the interconnecting piece 210 of branch 200 are to be connected to trunk 100 and be bonded coiling, and interconnecting piece 210 and master along its portion perimeter
Dry 100 are not connected to mutually, the free portion 220 of branch 200 be free on trunk 100 and substantially along its portion perimeter it is free coil.
With interconnecting piece 210 one adjacent to one another in two ports of connectivity port, that is, branch 200, port 230 of dissociating is branch 200
In two-port with one adjacent to one another, free portion 220.In other words, port of the interconnecting piece 210 far from free portion 220 is to connect
Port, port of the portion 220 far from interconnecting piece 210 of dissociating are free port 230.It should be noted that in other embodiments,
Branch 200 is not limited to must be divided into interconnecting piece 210 and free portion 220.For example, under certain limit situations, branch can be complete
It is complete to be connected to trunk and only there is the free port for being free on trunk, alternatively, branch can be free on trunk and only have and connect completely
It is connected to the connectivity port of changeover portion.Therefore, including the design of present embodiment and other any branches have connectivity port and
The design of free port, is both contained in scope of the present application.
Further, as shown in Figure 1, in the present embodiment, branch 200 inclines in the axial upper trunk 100 relatively of trunk 100
Tiltedly setting, and substantially 30 °~90 ° of the angle of inclination between branch 200 and the axial direction of trunk 100.Wherein, in present embodiment
In, in order to adapt to the application environment of such as arch of aorta and its bifurcated artery, inclining between branch 200 and the axial direction of trunk 100
Rake angle is more preferably 45 °.It, being capable of inclining between most arch of aortas and its bifurcated artery by above-mentioned design
The practical situation of rake angle corresponds to.In other embodiments, the angle of inclination between 100 axial direction of branch 200 and trunk also may be used
Less than 30 °, but it is not 0 ° (i.e. 180 °), i.e. the setting direction of branch 200 is not axial parallel with trunk 100.In addition, working as branch
200 when being multiple, the angle of inclination axial relative to trunk 100 of each branch 200 be not limited to it is identical, and can be according to reality
Situation separately designs.
Further, as shown in Figure 1, trunk 100 has first port 110 (based on usually corresponding in the present embodiment
The proximal part in arch of aorta portion), the design that opposite trunk 100 is obliquely installed is gone up in 100 axial direction of trunk based on above-mentioned, branch 200
The relatively free port 230 in connectivity port is close to first port 110.That is, in branch 200 by connectivity port to free port 230
During extension, the extension of branch 200 is to the 100 axially inclined extension of trunk far from first port 110, so as into one
Step meets the practical situation of the arch of aorta and its bifurcated artery.In other embodiments, when branch proposed by the present invention is artificial
For vascular applications when other environment, branch 200 also can be by other choosings relative to the inclined direction of trunk 100 (first port 110)
It selects, is not limited with present embodiment.
Further, in the present embodiment, the axial angle of inclination of the length of branch 200 and trunk 100 is substantially
45°.It is located at 100 diameter of trunk namely based on the both ends (connectivity port and free port 230) of branch in present embodiment 200
Design to two opposite sides, the 2 of the length substantially 100 perimeter half of trunk of branch 200-1Again (about 0.707 times).In other realities
It applies in mode, the length of branch 200 and the ratio of the perimeter of trunk 100 can be preferably 0.5~1.Wherein, it is based on this embodiment party
The both ends (connectivity port and free port 230) of Shi Zhong branches 200 are located at the design of 100 diametrically opposite both sides of trunk, when
When above-mentioned ratio is 0.5, as branch 200 is axial perpendicular to trunk 100, and above-mentioned angle of inclination is 90 °, i.e. branch 200 at this time
Axially vertical with trunk 100, then the length of branch 200 substantially (ignores length of the changeover portion 300 in 100 circumferential direction of trunk)
Equal to the half of 100 perimeter of trunk.In addition, when branch 200 is multiple, the ratio of 100 perimeter of length and trunk of each branch 200
Value is not limited to identical, and can be separately designed according to practical situation.
As depicted in figs. 1 and 2, in the present embodiment, three changeover portions 300 correspond respectively to three branches 200, and divide
The connectivity port of three branches 200 is not connected to trunk 100.Wherein, installation position of the changeover portion 300 relative to trunk 100
With the free port 230 of branch 200 the radial two opposite sides of trunk 100 are located at relative to the position of trunk 100.
Further, in the present embodiment, the substantially oblong-shaped structure of changeover portion 300, and the changeover portion of ellipse
300 long axis length and the ratio of the diameter of branch 200 are preferably 1~2.By above-mentioned design, it can ensure blood in branch 200
Stream flow is sufficient and meets the space requirement of the setting of multiple branches 200.In other embodiments, when changeover portion 300 selects
When the structure of ellipse, the ratio of long axis length and 200 diameter of branch is also smaller than 1 or is more than 2, not with present embodiment
It is limited.In addition, the structure of other shapes, such as circle etc., the then diameter of circular changeover portion 300 also may be selected in changeover portion 300
The above-mentioned relevant design of present embodiment is also can refer to the diameter ratio of branch 200.
In addition, in the present embodiment, branch artificial blood vessel proposed by the present invention further includes multiple annular trunk holders, more
A looped branch holder and multiple arcs changeover portion holder.Specifically, multiple annular trunk holders are respectively around set on master
It does 100 and is arranged along 100 axially spaced-apart of trunk.Multiple looped branch holders are respectively around set on branch 200 and along 200 disk of branch
It is alternatively arranged around direction.It is respectively equipped with one or more arc-shaped transition section holder on each changeover portion 300, due to transition
It is preferably arcuate structure that section 300, which is the holder for being communicated in trunk 100, therefore being arranged thereon,.Further, when on changeover portion 300
When multiple arcs changeover portion holder is arranged, these arc-shaped transition section holders are preferably alternatively arranged, and further preferably along mistake
300 long axis direction of section (i.e. with trunk 100 approximately axially parallel direction) is crossed to be alternatively arranged.In other embodiments, above-mentioned
Annular trunk holder, looped branch holder and arc-shaped transition section holder are not limited to be arranged simultaneously, and can be according to application environment
With use demand flexible design.Furthermore when branch 200 is multiple, however it is not limited to be respectively provided with arc mistake in all branches 200
Cross a section holder, and the quantity of the arc-shaped transition section holder in different branches 200 be not limited to it is identical.
In conclusion branch artificial blood vessel proposed by the present invention is effectively extended by being arranged branch's coiling on trunk
The length of branch to extend the socket length between grafting independence overlay film frame and branch artificial blood vessel is conducive to drop
The risk that low interior leakage occurs.Meanwhile that is, the present invention will by being the structure with connectivity port and free port by branch design
Component is connected to trunk freely, so as to be reserved enough between the free port of branch and bifurcated artery opening
Operating space is conducive to interventional procedure when grafting independence overlay film frame, reduces the complexity of operation.
It should be noted here that being shown in attached drawing and the branch artificial blood vessel that describes in the present specification is only to use
An example in many kinds of branch artificial blood vessels of the principle of the invention.It should be clearly understood that the principle of the present invention is absolutely not only
It is limited to show in attached drawing or any portion of any details of branch artificial blood vessel described in this specification or branch artificial blood vessel
Part.
Illustrative embodiments that are described in detail above and/or illustrating branch artificial blood vessel proposed by the present invention.But
Embodiments of the present invention are not limited to particular implementation as described herein, on the contrary, the component part of each embodiment and/
Or step can be independent with other component parts as described herein and/or step and be used separately.Each of one embodiment
Component part and/or each step can also be used in combination with the other component parts and/or step of other embodiment.It is introducing
Described here and/or diagram element/component part/whens waiting, term "one", " one " and " above-mentioned " etc. be indicating to exist
One or more elements/component part/etc..Term "comprising", " comprising " and " having " are included to indicate open
The meaning and refer to element/component part/in addition to listing also may be present other than waiting other element/component part/etc..This
Outside, claims and term " first " in specification and " second " etc. are only used as label, are not the numbers to its object
Word limits.
Although branch artificial blood vessel proposed by the present invention is described according to different specific embodiments, ability
Field technique personnel, which will recognize that, to be in the spirit and scope of the claims modified the implementation of the present invention.
Claims (10)
1. a kind of branch artificial blood vessel, which is characterized in that the branch artificial blood vessel includes：
Trunk；
Branch coils the portion perimeter in the trunk outer wall and includes connectivity port and free port；And
Changeover portion is communicated between the connectivity port of the branch and the trunk；
Wherein, the free port of the branch is located at the two opposite sides of the trunk radial direction with the changeover portion.
2. branch artificial blood vessel according to claim 1, which is characterized in that the trunk has first port；Wherein, institute
It states branch's relatively described trunk in the trunk axial direction to be obliquely installed, the relatively free port in connectivity port of the branch is close to institute
State first port.
3. branch artificial blood vessel according to claim 2, which is characterized in that the setting direction of the branch and the trunk
Axial direction between angle of inclination be 30 °~90 °.
4. branch artificial blood vessel according to claim 1, which is characterized in that the changeover portion is oval；Wherein, described
The ratio of the length of the long axis of changeover portion and the diameter of the branch is 1~2.
5. branch artificial blood vessel according to claim 1, which is characterized in that the length of each branch and the trunk
Perimeter ratio be 0.5~1.
6. branch artificial blood vessel according to claim 1, which is characterized in that each branch is divided into its neighbouring connecting pin
The free portion of the interconnecting piece of mouth and its neighbouring free port, the interconnecting piece is fixedly connected on the trunk outer wall, described free
Portion is free on the trunk outer wall.
7. branch artificial blood vessel according to claim 1, which is characterized in that it is described branch into it is multiple；Wherein, multiple described
Branch arranges along the trunk axially spaced-apart.
8. branch artificial blood vessel according to claim 7, which is characterized in that multiple branches are mutually parallel；And/or
Multiple branch's coilings are in phase the same side of the trunk.
9. according to claim 1~8 any one of them branch artificial blood vessel, which is characterized in that the branch artificial blood vessel is also
Including：
Multiple annular trunk holders, arrange around set on the trunk and along the trunk axially spaced-apart respectively；And/or
Multiple looped branch holders surround set on the branch and are alternatively arranged along branch's coil direction respectively.
10. branch artificial blood vessel according to claim 9, which is characterized in that the branch artificial blood vessel further includes：
Multiple arcs changeover portion holder, is respectively arranged on the changeover portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915904.0A CN108392295A (en) | 2017-09-30 | 2017-09-30 | Branch artificial blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915904.0A CN108392295A (en) | 2017-09-30 | 2017-09-30 | Branch artificial blood vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108392295A true CN108392295A (en) | 2018-08-14 |
Family
ID=63094489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710915904.0A Withdrawn CN108392295A (en) | 2017-09-30 | 2017-09-30 | Branch artificial blood vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108392295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956369A (en) * | 2020-08-24 | 2020-11-20 | 北京裕恒佳科技有限公司 | Stent artificial blood vessel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040193254A1 (en) * | 2003-01-14 | 2004-09-30 | Greenberg Roy K. | Branched vessel endoluminal device |
| US20100268319A1 (en) * | 2009-04-17 | 2010-10-21 | Medtronic Vascular, Inc. | Mobile External Coupling for Branch Vessel Connection |
| US20120179236A1 (en) * | 2009-07-14 | 2012-07-12 | Endospan Ltd. | Sideport engagement and sealing mechanism for endoluminal stent-grafts |
| US20130079870A1 (en) * | 2011-09-27 | 2013-03-28 | The Cleveland Clinic Foundation | Endoluminal prosthesis with steerable branch |
| US20170181838A1 (en) * | 2015-12-29 | 2017-06-29 | Cook Medical Technologies Llc | Endograft with at least two branch portions |
-
2017
- 2017-09-30 CN CN201710915904.0A patent/CN108392295A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040193254A1 (en) * | 2003-01-14 | 2004-09-30 | Greenberg Roy K. | Branched vessel endoluminal device |
| US20100268319A1 (en) * | 2009-04-17 | 2010-10-21 | Medtronic Vascular, Inc. | Mobile External Coupling for Branch Vessel Connection |
| US20120179236A1 (en) * | 2009-07-14 | 2012-07-12 | Endospan Ltd. | Sideport engagement and sealing mechanism for endoluminal stent-grafts |
| US20130079870A1 (en) * | 2011-09-27 | 2013-03-28 | The Cleveland Clinic Foundation | Endoluminal prosthesis with steerable branch |
| US20170181838A1 (en) * | 2015-12-29 | 2017-06-29 | Cook Medical Technologies Llc | Endograft with at least two branch portions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956369A (en) * | 2020-08-24 | 2020-11-20 | 北京裕恒佳科技有限公司 | Stent artificial blood vessel |
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