AU721661B2 - Method of making expanded polytetrafluoroethylene products - Google Patents

Method of making expanded polytetrafluoroethylene products Download PDF

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Publication number
AU721661B2
AU721661B2 AU66502/98A AU6650298A AU721661B2 AU 721661 B2 AU721661 B2 AU 721661B2 AU 66502/98 A AU66502/98 A AU 66502/98A AU 6650298 A AU6650298 A AU 6650298A AU 721661 B2 AU721661 B2 AU 721661B2
Authority
AU
Australia
Prior art keywords
tubular extrudate
shaping
tubular
shaping mandrel
extrudate
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.)
Expired
Application number
AU66502/98A
Other languages
English (en)
Other versions
AU6650298A (en
Inventor
Tarun J. Edwin
Scott Randall
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.)
Bard Peripheral Vascular Inc
Original Assignee
Impra 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
Application filed by Impra Inc filed Critical Impra Inc
Publication of AU6650298A publication Critical patent/AU6650298A/en
Application granted granted Critical
Publication of AU721661B2 publication Critical patent/AU721661B2/en
Assigned to BARD PERIPHERAL VASCULAR, INC. reassignment BARD PERIPHERAL VASCULAR, INC. Request to Amend Deed and Register Assignors: IMPRA, INC.
Anticipated expiration legal-status Critical
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • B29C61/025—Thermal shrinking for the production of hollow or tubular articles
    • 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
    • A61F2002/061—Blood vessels provided with means for allowing access to secondary lumens
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7532—Artificial members, protheses
    • B29L2031/7534—Cardiovascular protheses

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Molding Of Porous Articles (AREA)
AU66502/98A 1997-02-03 1998-02-02 Method of making expanded polytetrafluoroethylene products Expired AU721661B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/792780 1997-02-03
US08/792,780 US6203735B1 (en) 1997-02-03 1997-02-03 Method of making expanded polytetrafluoroethylene products
PCT/US1998/002142 WO1998033638A1 (en) 1997-02-03 1998-02-02 Method of making expanded polytetrafluoroethylene products

Publications (2)

Publication Number Publication Date
AU6650298A AU6650298A (en) 1998-08-25
AU721661B2 true AU721661B2 (en) 2000-07-13

Family

ID=25158035

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66502/98A Expired AU721661B2 (en) 1997-02-03 1998-02-02 Method of making expanded polytetrafluoroethylene products

Country Status (8)

Country Link
US (1) US6203735B1 (enExample)
EP (3) EP2298537A3 (enExample)
JP (1) JP4255136B2 (enExample)
AT (1) ATE344128T1 (enExample)
AU (1) AU721661B2 (enExample)
CA (1) CA2274694A1 (enExample)
DE (1) DE69836316T2 (enExample)
WO (1) WO1998033638A1 (enExample)

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DE69634278T2 (de) 1996-02-28 2006-01-05 Bard Peripheral Vascular, Inc., Tempe Mit einem flansch ausgestattetes transplantat für eine end-zu-seit-anastomose
US6951572B1 (en) * 1997-02-20 2005-10-04 Endologix, Inc. Bifurcated vascular graft and method and apparatus for deploying same
GB9709967D0 (en) * 1997-05-17 1997-07-09 Harris Peter L Prosthetic grafts
WO2000033769A1 (en) 1998-12-11 2000-06-15 Endologix, Inc. Endoluminal vascular prosthesis
US6733523B2 (en) 1998-12-11 2004-05-11 Endologix, Inc. Implantable vascular graft
US6660030B2 (en) * 1998-12-11 2003-12-09 Endologix, Inc. Bifurcation graft deployment catheter
US6187036B1 (en) 1998-12-11 2001-02-13 Endologix, Inc. Endoluminal vascular prosthesis
EP1148899B1 (en) * 1999-01-25 2006-04-05 Atrium Medical Corporation Expandable fluoropolymer device for delivery of therapeutic agents
US6395208B1 (en) 1999-01-25 2002-05-28 Atrium Medical Corporation Method of making an expandable fluoropolymer device
US6955661B1 (en) * 1999-01-25 2005-10-18 Atrium Medical Corporation Expandable fluoropolymer device for delivery of therapeutic agents and method of making
US7637886B2 (en) 1999-01-25 2009-12-29 Atrium Medical Corporation Expandable fluoropolymer device and method of making
US6187054B1 (en) * 1999-02-04 2001-02-13 Endomed Inc. Method of making large diameter vascular prosteheses and a vascular prosthesis made by said method
US6261316B1 (en) 1999-03-11 2001-07-17 Endologix, Inc. Single puncture bifurcation graft deployment system
US8034100B2 (en) 1999-03-11 2011-10-11 Endologix, Inc. Graft deployment system
US7972337B2 (en) 2005-12-28 2011-07-05 Intrinsic Therapeutics, Inc. Devices and methods for bone anchoring
WO2009033100A1 (en) 2007-09-07 2009-03-12 Intrinsic Therapeutics, Inc. Bone anchoring systems
CA2425951C (en) 1999-08-18 2008-09-16 Intrinsic Therapeutics, Inc. Devices and method for nucleus pulposus augmentation and retention
US20040024465A1 (en) 1999-08-18 2004-02-05 Gregory Lambrecht Devices and method for augmenting a vertebral disc
US7553329B2 (en) * 1999-08-18 2009-06-30 Intrinsic Therapeutics, Inc. Stabilized intervertebral disc barrier
US7717961B2 (en) 1999-08-18 2010-05-18 Intrinsic Therapeutics, Inc. Apparatus delivery in an intervertebral disc
US8323341B2 (en) 2007-09-07 2012-12-04 Intrinsic Therapeutics, Inc. Impaction grafting for vertebral fusion
US7220281B2 (en) 1999-08-18 2007-05-22 Intrinsic Therapeutics, Inc. Implant for reinforcing and annulus fibrosis
US6936072B2 (en) * 1999-08-18 2005-08-30 Intrinsic Therapeutics, Inc. Encapsulated intervertebral disc prosthesis and methods of manufacture
US7998213B2 (en) 1999-08-18 2011-08-16 Intrinsic Therapeutics, Inc. Intervertebral disc herniation repair
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SE515231C2 (sv) 1999-10-13 2001-07-02 Jan Otto Solem Täckt stent och sätt att tillverka densamma
US6821295B1 (en) 2000-06-26 2004-11-23 Thoratec Corporation Flared coronary artery bypass grafts
US6638468B1 (en) * 2000-12-26 2003-10-28 Scimed Life Systems, Inc. Method of reducing the wall thickness of a PTFE tube
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ATE344128T1 (de) 2006-11-15
US6203735B1 (en) 2001-03-20
JP2001510408A (ja) 2001-07-31
EP1741544A2 (en) 2007-01-10
CA2274694A1 (en) 1998-08-06
EP1741544B1 (en) 2011-09-07
EP1741544A3 (en) 2007-01-24
EP2298537A2 (en) 2011-03-23
EP0956189A1 (en) 1999-11-17
EP0956189B1 (en) 2006-11-02
JP4255136B2 (ja) 2009-04-15
DE69836316T2 (de) 2007-05-31
AU6650298A (en) 1998-08-25
WO1998033638A1 (en) 1998-08-06
EP2298537A3 (en) 2015-08-12

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