CN101601615A - A kind of overlay film pipe and sanction film method thereof that is used for the branch type intravascular stent - Google Patents
A kind of overlay film pipe and sanction film method thereof that is used for the branch type intravascular stent Download PDFInfo
- Publication number
- CN101601615A CN101601615A CNA2008100389495A CN200810038949A CN101601615A CN 101601615 A CN101601615 A CN 101601615A CN A2008100389495 A CNA2008100389495 A CN A2008100389495A CN 200810038949 A CN200810038949 A CN 200810038949A CN 101601615 A CN101601615 A CN 101601615A
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- overlay film
- film pipe
- branch
- pipe
- main body
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000009958 sewing Methods 0.000 abstract description 2
- 206010002329 Aneurysm Diseases 0.000 description 8
- 230000017531 blood circulation Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 231100000216 vascular lesion Toxicity 0.000 description 2
- 206010059245 Angiopathy Diseases 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 206010046996 Varicose vein Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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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
- A61F2002/065—Y-shaped blood vessels
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- 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)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of overlay film pipe and sanction film method thereof that is used for the branch type intravascular stent, this overlay film pipe comprises main body overlay film pipe and at least one branch's overlay film pipe, is tapering transition overlay film pipe between main body overlay film pipe and branch's overlay film pipe wherein.The square overlay film of one block length is tailored main body overlay film and branch's overlay film according to the main body overlay film pipe of default branch type intravascular stent and the size of branch's overlay film pipe, the transition position edge of main body overlay film and branch's overlay film is cut into hypotenuse, respectively with main body overlay film and branch's overlay film doubling, promptly get after sewing up and have tapering transition overlay film pipe.The existence of tapering transition overlay film pipe has improved the machinability of this bigger class overlay film pipe of main body overlay film pipe and branch's overlay film pipe diameter difference, and makes the form performance of overlay film frame good.
Description
Technical field
The present invention relates to a kind of Wicresoft and hinder the interventional medical device product, be specifically related to a kind of overlay film pipe that is used for the branch type intravascular stent.
Background technology
Along with the development of modern medicine, artificial blood vessel bracket is as a kind of novel intervention vascular treatment technology, is applied to just constantly that large artery trunks is narrow, treatment of diseases such as valve abnormalities, dissection of aorta and aneurysm.Wherein, much more very the intravascular stent (abbreviation overlay film frame) that has overlay film is seen in aneurysmal treatment.
Aneurysm is very dangerous clinically a kind of angiopathy, once finding the aneurysm patient, should carry out corresponding treatment to it as early as possible.At present, utilizing the Wicresoft of inner cavity insulation principle to hinder interventional therapeutic technique is widely used, it is with the thinner induction system of a cover caliber, the overlay film frame that the band of confined state supports is sent to the vascular lesion position, after accurately locating, with its release and covering lesion vessels, isolated vascular lesion position also forms new channel of blood flow.When overlay film frame is used for aneurysm treatment, by corresponding induction system it is sent into the position and the release at aneurysm place, the two end supports that makes overlay film frame is on the normal blood vessels at aneurysm two ends, make aneurysm and blood isolated, aneurysm is after the forfeiture blood supply, and tumor intracavity remained blood forms thrombosis gradually and flesh changes into vascular tissue, and the tumor wall of expansion state shrinks because of being subjected to negative pressure, return near original form gradually, thereby reach the aneurysmal purpose of treatment.
At present the endoluminal vascular prosthesis support has been accomplished to commercially produce, and mainly is divided into straight type and branch type, be by the outsourcing of Ultimum Ti endovascular stent or in cover the porous Teflon varicosity or dacron membrane is made.
The branch type intravascular stent is applicable to the unusual treatment of large artery trunks that has branch vessel.The structure of branch type intravascular stent is made up of main body overlay film frame and branch's overlay film frame two parts.For main body and the bigger overlay film pipe of branch's diameter difference, tailor relatively difficulty of processing, even can barely tailor out, the overlay film pipe of working it out in this way also be difficult to show good form.Have, the overlay film pipe of existing branch type intravascular stent often adopts the integral type design again, the near-end crotch of two branch's overlay film pipes be by one " point " in conjunction with (see figure 2), easy deformation under the impact of blood flow, and thrombosis, even cause thrombosis.
Summary of the invention
One of goal of the invention of the present invention provides a kind of overlay film pipe that is used for the branch type intravascular stent, make the bigger such overlay film pipe processing of main body and branch's diameter difference become easily, and the tubular attitude performance of overlay film is good.
Another purpose of the present invention provides and realizes the above-mentioned sanction film method that is used for the overlay film pipe of branch type intravascular stent.
For the facility on describing, hereinafter the near-end of being mentioned refers to the end near heart, and far-end refers to the end away from heart.
The technical scheme that the present invention provides for achieving the above object is:
A kind of overlay film pipe that is used for the branch type intravascular stent comprises main body overlay film pipe and at least one branch's overlay film pipe, wherein between main body overlay film pipe and branch's overlay film pipe for tapering transition overlay film pipe is arranged.
Wherein, the diameter difference of main body overlay film pipe and branch's overlay film pipe is bigger.Can between any one branch's overlay film pipe and main body overlay film pipe, tapering transition overlay film pipe be set as required, be that tapering transition overlay film pipe can be according to the quantity setting of branch's overlay film pipe, for branch type intravascular stent commonly used, a tapering transition overlay film pipe is set respectively on two branch's supports the most commonly.
Wherein, the scope of the cone angle of tapering transition overlay film pipe is the 0-80 degree.Wherein preferred cone angle scope is the 5-60 degree.
As optimized technical scheme, the crotch of wherein said branch overlay film pipe and main body overlay film pipe is connected with the benefit bar.Further, the crotch of described tapering transition overlay film pipe and main body overlay film pipe is connected with the benefit bar.
Wherein, mend the preferred strip of shape or the taper of bar, also can be designed to the shape that other is fit to as required.
Wherein, mending the bar width range is the 4-20 millimeter.Particularly, can be designed to different size and mend bar according to main body overlay film pipe and branch's overlay film pipe of different size to be mated.
Wherein, described benefit bar and main body overlay film pipe are connected by sewing up with branch overlay film pipe.The overlay film pipe that has the branch type intravascular stent of mending bar adopts split-type design, and the overlay film pipe is stitched into by two parts, and promptly a part is to mend bar, and another part is main body overlay film pipe and branch's overlay film pipe.It is better that the existence of mending bar makes that the form of whole film covering pipe shows, and it is stressed that the benefit bar of the crotch of main body overlay film and two branch's overlay films forms " wire " under the impact of blood flow, therefore stressed more reasonable than " point " of the prior art, also be not easy distortion.
Aforementioned body overlay film pipe, branch's overlay film pipe and benefit strip adoption identical materials all adopt the identical macromolecular material with biocompatibility, as politef, polyester fiber yarn fabric, polyamide yarn fabric, polypropylene spun fabric etc.
Realize that the present invention is used for the sanction film method of the overlay film pipe of branch type intravascular stent, comprises the steps:
1), the square overlay film of a block length is tailored main body overlay film and branch's overlay film according to the main body overlay film pipe of default branch type intravascular stent and the size of branch's overlay film pipe;
2), the transition position edge with main body overlay film and branch's overlay film is cut into hypotenuse;
3), respectively with main body overlay film and branch's overlay film doubling, sew up, promptly can form the overlay film pipe that has tapering transition.
Wherein, specifically be that transition position edge with main body overlay film and branch's overlay film is cut into symmetric hypotenuse step 2).
Wherein, step 3) is specially: respectively with main body overlay film and branch's overlay film doubling, will mend the outside of bar and the outside stitching of tapering transition overlay film hypotenuse and branch's overlay film again and link into an integrated entity, and promptly can form the overlay film pipe that band is mended bar and tapering transition.
Above-mentioned sanction film method is cut into the source that hypotenuse constitutes overlay film pipe tapering by the Transition edges place at main body overlay film and branch's overlay film, and this method is novel unique, simple and feasible, easily operation.
The branch type intravascular stent overlay film pipe that is used for of the present invention, between main body overlay film pipe and branch's overlay film pipe, be tapering transition overlay film pipe, the existence of " taper " transition overlay film pipe has improved the machinability of this bigger class overlay film pipe of main body overlay film pipe and branch's overlay film pipe diameter difference, and makes the form performance of overlay film pipe good; In addition, the design of " taper " transition has increased the big and less specification of branch's diameter of the specification, particularly some main diameters of branch type intravascular stent overlay film pipe.
Have the overlay film pipe of mending bar in the improved technical scheme of the present invention, because the crotch of main body overlay film pipe and branch's overlay film pipe is connected with the benefit bar, make the form of overlay film pipe improve, particularly the rounding property of branch's overlay film pipe near-end is significantly improved, thereby has improved the unobstructed property of blood flow behind the overlay film frame implantable intravascular.
Description of drawings
Fig. 1 is the overlay film tubular construction sketch map that is used for the branch type intravascular stent that has tapering transition overlay film pipe of the present invention.
Fig. 2 in the prior art not with the overlay film pipe of the branch type intravascular stent of mending bar.
The overlay film tubular construction sketch map of the branch type intravascular stent that Fig. 3 mends bar for the present invention has.
Fig. 4 is the benefit bar sketch map among the present invention.
Fig. 5 is used for the sanction film method sketch map of the overlay film pipe of branch type intravascular stent for the present invention.
Caption: 1, main body overlay film pipe; 2, branch's overlay film pipe; 3, tapering transition overlay film pipe; 4, two branch's crotches; 5, mend bar.6, main body overlay film; 7, hypotenuse; 8 branch's overlay films.
The specific embodiment
For main body and the bigger such branch type intravascular stent overlay film pipe of branch's diameter difference, its difficulty of processing is often bigger, even is difficult to processing, even process, also is difficult to show good form.The invention provides a kind of overlay film pipe that is used for the branch type intravascular stent, it makes the processing of such branch type intravascular stent overlay film pipe that main body and branch's diameter difference are bigger become easily, and the tubular attitude performance of overlay film is good.Describe the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is the overlay film tubular construction sketch map that is used for the branch type intravascular stent that has tapering transition overlay film pipe of the present invention, the overlay film pipe of branch type intravascular stent comprises main body overlay film pipe 1 and branch's overlay film pipe 2, is tapering transition overlay film pipe 3 between main body overlay film pipe 1 and branch's overlay film pipe 2 wherein.The scope of the cone angle g of tapering transition overlay film pipe is the 0-80 degree, and wherein preferred cone angle scope is the 5-60 degree.The existence of " taper " transition overlay film pipe 3 has improved the machinability of this bigger class branch type intravascular stent overlay film pipe of main body overlay film pipe 1 and branch's overlay film pipe 2 diameter difference, and makes the form performance of overlay film pipe good; In addition, the design of " taper " transition has increased the big and less specification of branch's diameter of the specification, particularly some main diameters of branch type intravascular stent overlay film pipe.
The overlay film tubular construction sketch map of the branch type intravascular stent that Fig. 3 mends bar for the present invention has, Fig. 4 is the benefit bar sketch map among the present invention.Any two branch's crotches 4 at branch's overlay film pipe and main body overlay film pipe can be connected with the benefit bar; For the overlay film pipe that has tapering transition, can be connected with the benefit bar at the crotch of tapering transition overlay film pipe and main body overlay film pipe.
The overlay film pipe that has the branch type overlay film frame of mending bar is not to be sewed up by an integral body to form, but adopts split-type design: the overlay film pipe is stitched into by two parts, and promptly a part is to mend bar 5, and another part is main body overlay film pipe 1 and branch's overlay film pipe 2.Can will mend bar according to the main body overlay film pipe of different size and branch's overlay film pipe and be designed to plurality of specifications and shape, its width range is the 4-20 millimeter.Make the form of overlay film pipe improve owing to mend the existence of bar, particularly the rounding property of two branch's overlay film pipe near-ends is significantly improved, and it is stressed that the benefit bar of main body overlay film pipe and two branch's crotches 4 forms " wire " under the impact of blood flow, stressed more reasonable than " point " of the prior art, also be not easy distortion, thereby improved the unobstructed property of blood flow behind the implantable intravascular.
Aforementioned body overlay film pipe, branch's overlay film pipe and benefit bar all adopt the identical macromolecular material with biocompatibility, as politef, polyester fiber yarn fabric, polyamide yarn fabric, polypropylene spun fabric etc.
Fig. 5 is used for the sketch map of sanction film method of the overlay film pipe of branch type intravascular stent for realizing the present invention.This sanction film method comprises the steps:
1), the square overlay film of a block length is tailored main body overlay film 6 and branch's overlay film 8 according to the main body overlay film pipe of default branch type intravascular stent and the size of branch's overlay film pipe;
2), the transition position edge with main body overlay film 6 and branch's overlay film 8 is cut into hypotenuse 7;
3), respectively with main body overlay film 6 and 8 doublings of branch's overlay film, sew up, promptly can form and have tapering transition overlay film pipe.
Step 2) preferably the transition position edge of main body overlay film 6 and branch's overlay film 8 is cut into symmetric hypotenuse 7.
Step 3) can also will be mended the crotch that bar is sewn to tapering transition overlay film pipe and main body overlay film pipe, be specially: respectively with main body overlay film 6 and 8 doublings of branch's overlay film, to mend the outside of bar 5 and the outside stitching of tapering transition overlay film hypotenuse 7 and branch's overlay film 8 again and link into an integrated entity, promptly can form the overlay film pipe that band is mended bar and tapering transition.
It is to be noted; the described branch type intravascular stent of specific embodiment part be for better implement the present invention preferred embodiment; protection scope of the present invention is not limited to the described technical scheme of above-mentioned embodiment; and should be as the criterion with the described flesh and blood of claims, any possible structural change is only otherwise the scope that the flesh and blood that breaks away from claim of the present invention all belongs to the present invention to be protected.
Claims (14)
1, a kind of overlay film pipe that is used for the branch type intravascular stent comprises main body overlay film pipe and at least one branch's overlay film pipe, it is characterized in that: be tapering transition overlay film pipe between main body overlay film pipe and branch's overlay film pipe.
2, overlay film pipe according to claim 1 is characterized in that: the cone angle scope of tapering transition overlay film pipe is the 0-80 degree.
3, overlay film pipe according to claim 2 is characterized in that: the cone angle scope of tapering transition overlay film pipe is the 5-60 degree.
4, overlay film pipe according to claim 1 is characterized in that: the crotch of described branch overlay film pipe and main body overlay film pipe is connected with the benefit bar.
5, overlay film pipe according to claim 1 is characterized in that: the crotch of described tapering transition overlay film pipe and main body overlay film pipe is connected with the benefit bar.
6, according to the described overlay film pipe of claim 4-5, it is characterized in that: that mends bar is shaped as strip or taper.
7, according to the described overlay film pipe of claim 4-5, it is characterized in that: the width range of described benefit bar is the 4-20 millimeter.
8, according to the described overlay film pipe of claim 4-5, it is characterized in that: mend bar and main body overlay film pipe and be connected by stitching with branch overlay film pipe.
9, according to the described overlay film pipe of claim 4-5, it is characterized in that: main body overlay film pipe, branch's overlay film pipe and benefit strip adoption identical materials.
10, overlay film pipe according to claim 9 is characterized in that: described material is the macromolecular material with biocompatibility.
11, overlay film pipe according to claim 10 is characterized in that: described macromolecular material comprises politef, polyester fiber yarn fabric, polyamide yarn fabric or polypropylene spun fabric.
12, according to the sanction film method of the described overlay film pipe of claim 1, it is characterized in that comprising the steps:
1), the square overlay film of a block length is tailored main body overlay film and branch's overlay film according to the main body overlay film pipe of default branch type intravascular stent and the size of branch's overlay film pipe;
2), the transition position edge with main body overlay film and branch's overlay film is cut into hypotenuse;
3), respectively with main body overlay film and branch's overlay film doubling, sew up, promptly can form the overlay film pipe that has tapering transition.
13, according to the sanction film method of the described overlay film pipe of claim 11, it is characterized in that step 2) specifically be that transition position edge with main body overlay film and branch's overlay film is cut into symmetric hypotenuse.
14, sanction film method according to claim 12, it is characterized in that step 3) is specially: respectively with main body overlay film and branch's overlay film doubling, to mend the outside of bar and the outside stitching of tapering transition overlay film hypotenuse and branch's overlay film again and link into an integrated entity, promptly can form the overlay film pipe that band is mended bar and tapering transition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100389495A CN101601615B (en) | 2008-06-10 | 2008-06-10 | Membrane pipe used for branch type stent and membrane cutting method thereof |
| PCT/CN2009/072139 WO2009149645A1 (en) | 2008-06-10 | 2009-06-05 | A coated tuber for the bifurcated stent and the method for cutting membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100389495A CN101601615B (en) | 2008-06-10 | 2008-06-10 | Membrane pipe used for branch type stent and membrane cutting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101601615A true CN101601615A (en) | 2009-12-16 |
| CN101601615B CN101601615B (en) | 2012-01-25 |
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ID=41416367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100389495A Active CN101601615B (en) | 2008-06-10 | 2008-06-10 | Membrane pipe used for branch type stent and membrane cutting method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101601615B (en) |
| WO (1) | WO2009149645A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972180A (en) * | 2010-10-22 | 2011-02-16 | 上海索康医用材料有限公司 | Bifurcated vessel implant and preparation method thereof |
| WO2018010546A1 (en) * | 2016-07-13 | 2018-01-18 | 先健科技(深圳)有限公司 | Branched, membrane-coated stent |
| WO2020258983A1 (en) * | 2019-06-28 | 2020-12-30 | 脉通医疗科技(嘉兴)有限公司 | Tubular cover film structure and preparation method thereof, and film-covered stent |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609627A (en) * | 1994-02-09 | 1997-03-11 | Boston Scientific Technology, Inc. | Method for delivering a bifurcated endoluminal prosthesis |
| US5683449A (en) * | 1995-02-24 | 1997-11-04 | Marcade; Jean Paul | Modular bifurcated intraluminal grafts and methods for delivering and assembling same |
| US5800514A (en) * | 1996-05-24 | 1998-09-01 | Meadox Medicals, Inc. | Shaped woven tubular soft-tissue prostheses and methods of manufacturing |
| AU2759399A (en) * | 1998-02-12 | 1999-08-30 | Prodesco, Inc. | Tapered tubular prosthesis and method of making |
| US7014653B2 (en) * | 2001-12-20 | 2006-03-21 | Cleveland Clinic Foundation | Furcated endovascular prosthesis |
| US20070106375A1 (en) * | 2005-11-07 | 2007-05-10 | Carlos Vonderwalde | Bifurcated stent assembly |
| CN2912562Y (en) * | 2006-05-10 | 2007-06-20 | 上海赢生医疗科技有限公司 | Branch type tectorial blood vessel support bracket designed with modular structure |
| US8257431B2 (en) * | 2006-11-01 | 2012-09-04 | Boston Scientific Scimed, Inc. | Multi-furcated ePTFE grafts and stent-graft prostheses and methods of making the same |
-
2008
- 2008-06-10 CN CN2008100389495A patent/CN101601615B/en active Active
-
2009
- 2009-06-05 WO PCT/CN2009/072139 patent/WO2009149645A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972180A (en) * | 2010-10-22 | 2011-02-16 | 上海索康医用材料有限公司 | Bifurcated vessel implant and preparation method thereof |
| WO2018010546A1 (en) * | 2016-07-13 | 2018-01-18 | 先健科技(深圳)有限公司 | Branched, membrane-coated stent |
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN107625562B (en) * | 2016-07-13 | 2020-02-04 | 先健科技(深圳)有限公司 | Branch type covered stent |
| WO2020258983A1 (en) * | 2019-06-28 | 2020-12-30 | 脉通医疗科技(嘉兴)有限公司 | Tubular cover film structure and preparation method thereof, and film-covered stent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101601615B (en) | 2012-01-25 |
| WO2009149645A1 (en) | 2009-12-17 |
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Address after: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Patentee after: Shanghai MicroPort Medical Equipment (Group) Co., Ltd. Address before: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Patentee before: Weichuang Medical Equipment (Shanghai) Co., Ltd. |
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Owner name: MICROPORT ENDOVASCULAR (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI MICROPORT MEDICAL EQUIPMENT (GROUP) CO., LTD. Effective date: 20141028 |
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Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 201318 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20141028 Address after: 201318 Pudong New Area Kang Xin Road, Lane 3399, Lane 1, No. Patentee after: Minimally invasive medical technology (Shanghai) Co., Ltd. Address before: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Patentee before: Shanghai MicroPort Medical Equipment (Group) Co., Ltd. |
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Address after: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee after: Shanghai Minimally Invasive Heart Vein Medical Technology Co., Ltd. Address before: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee before: Minimally invasive medical technology (Shanghai) Co., Ltd. |
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