WO2012088017A2 - Biased endoluminal device - Google Patents

Biased endoluminal device Download PDF

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Publication number
WO2012088017A2
WO2012088017A2 PCT/US2011/065989 US2011065989W WO2012088017A2 WO 2012088017 A2 WO2012088017 A2 WO 2012088017A2 US 2011065989 W US2011065989 W US 2011065989W WO 2012088017 A2 WO2012088017 A2 WO 2012088017A2
Authority
WO
WIPO (PCT)
Prior art keywords
flexible tubular
tubular wall
frame member
endoluminal device
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2011/065989
Other languages
English (en)
French (fr)
Other versions
WO2012088017A3 (en
Inventor
Kyle R. BUCKLEY
Vincent PERKO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gore Enterprise Holdings Inc
Original Assignee
Gore Enterprise Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AU2011349406A priority Critical patent/AU2011349406B2/en
Application filed by Gore Enterprise Holdings Inc filed Critical Gore Enterprise Holdings Inc
Priority to BR112013014789A priority patent/BR112013014789A2/pt
Priority to CN201180062065.3A priority patent/CN103298427B/zh
Priority to ES11808785T priority patent/ES2861424T3/es
Priority to EP11808785.7A priority patent/EP2654619B1/en
Priority to JP2013546305A priority patent/JP6117704B2/ja
Priority to CA2821724A priority patent/CA2821724C/en
Priority to RU2013134004/14A priority patent/RU2013134004A/ru
Publication of WO2012088017A2 publication Critical patent/WO2012088017A2/en
Publication of WO2012088017A3 publication Critical patent/WO2012088017A3/en
Anticipated expiration legal-status Critical
Priority to AU2015238886A priority patent/AU2015238886B2/en
Ceased legal-status Critical Current

Links

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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
    • A61F2/9526—Means for mounting a stent or stent-graft onto or into a placement instrument using a mandrel
    • 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/89—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
    • 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
    • A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
    • 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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0019—Angular shapes rectangular
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/005—Rosette-shaped, e.g. star-shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part

Definitions

  • the present disclosure relates to improved expandable endoluminal devices for treating disease of the vasculature.
  • an expandable endoluminal device e.g., a stent graft
  • a stent graft can be crush loaded over a tubular element and retained by a sheath or other tubular element. Once delivered through the tortuous vasculature, deployment of the endoluminal device from the delivery device occurs at the treatment site.
  • Crushing can, in some instances, result in infolds in or invagination of the endoluminal device, especially where its cross sectional profile is not curved, as is sometimes the case in a bifurcation portion or an otherwise tapered portion.
  • FIG. 1 illustrates in accordance with various embodiments a mandrel for forming a wire stent or frame member for endoluminal devices.
  • FIG. 2 illustrates an end view of a stent or frame member in
  • FIG. 3 illustrates a tront eievationai view ⁇ an enaoiuminai aevice in accordance with various embodiments.
  • FIG. 4 is a cross-sectional of the endoluminal device in FIG. 3, in accordance with various embodiments, illustrating outward structural bias for resisting deformation during crushing and deployment.
  • An endoluminal device in accordance with various embodiments, comprises a flexible tubular wall and a frame member having a bias for resisting deformation of the tubular wall, such as infolding or invagination, from a desired profile.
  • An endoluminal device in accordance with various embodiments, can be any stent graft comprising a portion with a cross sectional profile having a desired profile and a structural bias that maintains the desired cross sectional profile of the device, for example, during deployment of the device along tortuous anatomy.
  • An endoluminal device in accordance with various embodiments, can, for example, have a substantially uncurved section in a bifurcation portion or an otherwise tapered portion where the stent graft transitions from a larger perimeter to a smaller perimeter.
  • a frame member includes a stent suitable for the treatment of vascular conditions, such as an abdominal aortic aneurism, and can provide structural support for the flexible tubular wall of the endoluminal device and/or the vasculature.
  • a frame member can be comprised either of a wire have a helical configuration or be comprised of one or a plurality of rings.
  • the wire or a ring itself can be linear or have a sinusoidal or zig-zag pattern.
  • Still other various embodiments of the frame member can be cut from a tube and have any pattern suitable for the treatment.
  • the frame member comprises a shape- memory material, such as nitinol.
  • the frame member can be comprised of other materials, self-expandable or otherwise expandable (e.g., with a balloon or spring mechanism), such as various metals (e.g., stainless steel), alloys and polymers.
  • a frame member includes one or more protrusions for creating a bias when the frame member is assembled with and/or between graft layers to form the endoluminal device.
  • a protrusion includes any elevation, ridge, projection, recession, indentation or other outwardly or inwardly extending feature that, while not assembled with a graft layer and/or between graft layers, is substantially different vis-a-vis the endoluminal device.
  • the protrusion can be characterized by the frame member defining a lumen comprising a portion (e.g., a peripheral or an intermediate portion) having a cross-sectional area larger or smaller than that of the corresponding portion of the flexible tubular wall and/or the endoluminal device.
  • the cross-sectional shape can be a pentagon, octagon or any other suitable shape.
  • the frame member is configured to have convex or outwardly extending protrusions.
  • a protrusion can be generally configured in any direction an internal structural bias is desired in the endoluminal device.
  • Protrusions can be manufactured into the frame member or otherwise introduced post manufacture.
  • a suitable bias can be achieved by a protrusion that is from about 5% to about 25% of a desired diameter or width of the flexible tubular wall and/or the endoluminal device.
  • An endoluminal device can, for example, be made with a frame member having a protrusion that is about 10% of the diameter or width of the flexible tubular wall and/or endoluminal device, Generally, a larger protrusion dimension relative to the desired diameter or width of the flexible tubular wall and/or endoluminal device results in a higher bias for resisting infolding or invagination of the endoluminal device at or near the protrusion.
  • a flexible tubular wall is generally any abluminal and/or luminal covering configured to partially or substantially smooth, flatten, or otherwise lessen the frame member protrusion and thereby bring the frame member protrusion into conformity with the desired dimension and profile of the endoluminal device.
  • the shape of the frame is generally conical and is constrained toward a substantially cylindrical shape by the flexible tubular wall.
  • a flexible tubular wall defines a surface that does not include a protrusion present in the frame member.
  • a portion of a flexible tubular wall e.g., a peripheral or an intermediate portion
  • a flexible tubular wall comprises taped ePTFE.
  • Other useful materials for the flexible tubular wall can comprise one or more of nylons, polycarbonates, polyethylenes, polypropylenes, polytetrafluoroethylenes, polyvinyl chlorides, polyurethanes, polysiloxanes, and other biocompatible materials.
  • a flexible tubular wall is fixedly secured or otherwise coupled at a single or a plurality of locations to the abluminal or luminal surface of the frame member, for example, using heat shrinking, adhesion or other processes known in the art.
  • the flexible tubular wall is coupled to an anchor extending outwardly from the frame and being generally proximal to the frame protrusion.
  • a plurality of flexible tubular walls are used, the walls being coupled to both the abluminal and luminal surfaces of the frame member.
  • Various embodiments comprise one or more flexible tubular walls that are coupled to the frame member at, along or near the frame member protrusion to partially or substantially smooth, flatten, or otherwise lessen the frame member protrusion and thereby create an internal structural bias in the direction of the protrusion when the device is in an unconstrained state.
  • frame member protrusion is partially or substantially flattened when coupled to or otherwise formed together with the flexible tubular wall. Flattening the protrusion of the frame member can create a structural bias in the endoluminal device that resists radial deformation (e.g., infolding or invagination) in a direction substantially opposite the protrusion, or that otherwise resists deformation from its cross-sectional shape, during crush loading and maintains its structural integrity when deployed and the device is in an unconstrained state.
  • radial deformation e.g., infolding or invagination
  • the endoluminal device has a resistance to radial deformation which varies circumferentially or peripherally about a cross section generally normal to a longitudinal axis of its lumen.
  • the resistance can peak at a middle portion where one or more flexible tubular walls are coupled to the frame member.
  • methods for making a biased endoluminal device can comprise forming the frame member on a first mandrel having a surface that includes one or more protrusions as compared to the desired profile of the endoluminal device at or near the protrusion.
  • the endoluminal device can then be formed by wrapping the flexible tubular wall about the frame member on a second mandrel not including the protrusions and subsequently heat shrinking the flexible tubular wall to the frame member.
  • An exemplary endoluminal device can thereafter be radially crush loaded with a reduced likelihood of there being undesired deformation, such as infolding or invagination.
  • a supporting balloon can be introduced into the lumen of the endoluminal device and deflated during radial crush loading to further minimize any likelihood unwanted deformation.
  • a mandrel 40 for forming a frame member such as a stent, is provided having a tapered portion 42 where the device transitions from a larger perimeter to a smaller perimeter.
  • Tapered portion 42 can comprise a .05 inch ridge protrusion 44, for example.
  • smaller or larger protrusions, as well as differently shaped protrusions can be used depending on the frame shape and amount of structural bias desired.
  • a nitinol stent frame member 30 is wound over mandrel 40, thus creating a corresponding .05 inch ridge protrusion 32 in the tapered portion of frame member 30, as shown illustratively in the end view of FIG. 2.
  • Frame member 30 is then wrapped with an ePTFE flexible tubular wall 20 to flatten ridge protrusion 32.
  • the resulting endoluminal device 10 is shown in FIGS. 3 and 4.
  • the dotted line 32' in FIG. 4 illustrates the protiie or tne name memoer assembled with a graft layer and/or between graft layers to form the device.
  • the difference in profiles or positions between the unconstrained frame member 32' prior to device assembly and the frame member along the protrusion 32 after assembly with a graft layer and/or between graft layers generally represents a structural bias that resists infolding or invagination of the device along the portion of the frame member having the protrusion.
  • Endoluminal device 10 can be radially crush loaded with a radial crusher. Because of the internal structural bias (depicted as reference numeral 22 in FIG. 4) provided by the protrusion 32, the tapered portion resists inward deflection under the squeezing force of the radial crusher. Endoluminal device 10 is then retained by a sheath or other tubular element, delivered through the tortuous vasculature and deployed at the treatment site with no infolding or invagination.
  • Stents having protrusions for creating a structural bias the resists deformation of an endoluminal device from a desired profile can be fabricated, for example, from cut tubes, wound wires (or ribbons) or flat patterned sheets rolled into a tubular form.
  • Stents can be formed from metallic, polymeric or natural materials and can comprise conventional medical grade materials such as nylon, polyacrylamide, polycarbonate, polyethylene, polyformaldehyde, polymethylmethacrylate, polypropylene, polytetrafluoroethylene, polytrifluorochlorethylene, polyvinylchloride, polyurethane, elastomeric organosilicon polymers; metals such as stainless steels, cobalt-chromium alloys and nitinol and biologically derived materials such as bovine arteries veins, pericardium and collagen.
  • conventional medical grade materials such as nylon, polyacrylamide, polycarbonate, polyethylene, polyformaldehyde, polymethylmethacrylate, polypropylene, polytetrafluoroethylene, polytrifluorochlorethylene, polyvinylchloride, polyurethane, elastomeric organosilicon polymers
  • metals such as stainless steels, cobalt-chromium alloys and nitinol and biological
  • Stents can also comprise bioresorbable materials such as poly(amino acids), poly(anhyd rides), poly(caprolactones), poly(lactic/glycolic acid) polymers, poly(hydroxybutyrates) and poly(orthoesters).
  • bioresorbable materials such as poly(amino acids), poly(anhyd rides), poly(caprolactones), poly(lactic/glycolic acid) polymers, poly(hydroxybutyrates) and poly(orthoesters).
  • a graft member include, for example, expanded polytetrafluoroethylene (ePTFE), polyester, polyurethane, fluoropolymers, such as perfouorelastomers and the like, polytetrafluoroethylene, silicones, urethanes, ultra high molecular weight polyethylene, aramid fibers, and combinations thereof.
  • ePTFE expanded polytetrafluoroethylene
  • fluoropolymers such as perfouorelastomers and the like
  • polytetrafluoroethylene silicones
  • urethanes ultra high molecular weight polyethylene
  • aramid fibers ultra high molecular weight polyethylene
  • the graft member can include a bioactive agent.
  • an ePTFE graft includes a carbon component along a blood contacting surface thereof.
  • Typical materials used to construct catheters for endoluminal delivery of devices can comprise commonly known materials such as Amorphous Commodity Thermoplastics that include Polymethyl Methacrylate (PMMA or Acrylic), Polystyrene (PS), Acrylonitrile Butadiene Styrene (ABS), Polyvinyl Chloride (PVC), Modified Polyethylene Terephthalate Glycol (PETG), Cellulose Acetate Butyrate (CAB); Semi-Crystalline Commodity Plastics that include Polyethylene (PE), High Density Polyethylene (HOPE), Low Density Polyethylene (LDPE or LLDPE), Polypropylene (PP), Polymethylpentene (PMP); Amorphous Engineering Thermoplastics that include Polycarbonate (PC), Polyphenytene Oxide (PPO), Modified Polyphenytene Oxide (Mod PPO), Polyphenelyne Ether (PPE), Modified Polyphenelyne Ether (Mod PPE) .
  • Thermoplastic Polyester Polybutylene Terephthalate (PBT)
  • PBT Polybutylene Terephthalate
  • Polyester Ultra High Molecular Weight Polyethylene (UHMW-PE); High
  • Performance Thermoplastics that include Polyimide (PI, Imidized Plastic), Polyamide Imide (PAI, Imidized Plastic), PolybenzimkJazole (PBI, Imidized Plastic); Amorphous High Performance Thermoplastics that include Polysulfone (PSU), Polyetherimide (PEI), Polyether Surfone (PES), Polyaryl Sulfone (PAS); Semi-Crystalline High Performance Thermoplastics that include Polyphenytene Sulfide (PPS),
  • Thermoplastics Fluoropolymers that include Fluorinated Ethylene Propylene (FEP), Ethylene Chlorotrifluroethylene (ECTFE), Ethylene, Ethylene Tetrafluoroethylene (ETFE), Polychlortrifluoroethytene (PCTFE), Polytetrafluoroethylene (PTFE), Polyvinylidene Fluoride (PVDF), Perfluoroalkoxy (PFA).
  • FEP Fluorinated Ethylene Propylene
  • ECTFE Ethylene Chlorotrifluroethylene
  • Ethylene Ethylene Tetrafluoroethylene
  • PCTFE Polychlortrifluoroethytene
  • PCTFE Polytetrafluoroethylene
  • PVDF Polyvinylidene Fluoride
  • PFA Perfluoroalkoxy
  • Other commonly known medical grade materials include elastomeric organosilicon polymers, polyether block amide or thermoplastic copolyether (

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Pulmonology (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Body Structure For Vehicles (AREA)
  • Exhaust Silencers (AREA)
  • Buffer Packaging (AREA)
PCT/US2011/065989 2010-12-22 2011-12-20 Biased endoluminal device Ceased WO2012088017A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
RU2013134004/14A RU2013134004A (ru) 2010-12-22 2011-12-20 Эндолюминальное устройство
BR112013014789A BR112013014789A2 (pt) 2010-12-22 2011-12-20 dispositivo endovascular predisposto
CN201180062065.3A CN103298427B (zh) 2010-12-22 2011-12-20 偏置的管腔内装置
ES11808785T ES2861424T3 (es) 2010-12-22 2011-12-20 Dispositivo endoluminal solicitado
EP11808785.7A EP2654619B1 (en) 2010-12-22 2011-12-20 Biased endoluminal device
AU2011349406A AU2011349406B2 (en) 2010-12-22 2011-12-20 Biased endoluminal device
CA2821724A CA2821724C (en) 2010-12-22 2011-12-20 Biased endoluminal device
JP2013546305A JP6117704B2 (ja) 2010-12-22 2011-12-20 バイアス型管腔内装置
AU2015238886A AU2015238886B2 (en) 2010-12-22 2015-10-09 Biased endoluminal device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201061425882P 2010-12-22 2010-12-22
US61/425,882 2010-12-22
US13/330,522 2011-12-19
US13/330,522 US10617514B2 (en) 2010-12-22 2011-12-19 Biased endoluminal device

Publications (2)

Publication Number Publication Date
WO2012088017A2 true WO2012088017A2 (en) 2012-06-28
WO2012088017A3 WO2012088017A3 (en) 2012-08-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/065989 Ceased WO2012088017A2 (en) 2010-12-22 2011-12-20 Biased endoluminal device

Country Status (10)

Country Link
US (3) US10617514B2 (https=)
EP (1) EP2654619B1 (https=)
JP (1) JP6117704B2 (https=)
CN (1) CN103298427B (https=)
AU (2) AU2011349406B2 (https=)
BR (1) BR112013014789A2 (https=)
CA (1) CA2821724C (https=)
ES (1) ES2861424T3 (https=)
RU (1) RU2013134004A (https=)
WO (1) WO2012088017A2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10617514B2 (en) 2010-12-22 2020-04-14 W. L. Gore & Associates, Inc. Biased endoluminal device
US11376112B2 (en) 2017-01-31 2022-07-05 W. L. Gore & Associates, Inc. Pre-strained stent elements

Family Cites Families (57)

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Publication number Priority date Publication date Assignee Title
SE392582B (sv) 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
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