CA2216383A1 - Radially-enlargeable ptfe tape-reinforced vascular grafts and their methods of manufacture - Google Patents

Radially-enlargeable ptfe tape-reinforced vascular grafts and their methods of manufacture

Info

Publication number
CA2216383A1
CA2216383A1 CA002216383A CA2216383A CA2216383A1 CA 2216383 A1 CA2216383 A1 CA 2216383A1 CA 002216383 A CA002216383 A CA 002216383A CA 2216383 A CA2216383 A CA 2216383A CA 2216383 A1 CA2216383 A1 CA 2216383A1
Authority
CA
Canada
Prior art keywords
graft
radially
enlargeable
reinforced
grafts
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.)
Granted
Application number
CA002216383A
Other languages
French (fr)
Other versions
CA2216383C (en
Inventor
Donald Shannon
John Mcintyre
Chris Kuo
Chris Mccollam
Robert Peterson
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.)
Edwards Lifesciences Corp
Original Assignee
Baxter International Inc.
Donald Shannon
John Mcintyre
Chris Kuo
Chris Mccollam
Robert Peterson
Edwards Lifesciences Corporation
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 Baxter International Inc., Donald Shannon, John Mcintyre, Chris Kuo, Chris Mccollam, Robert Peterson, Edwards Lifesciences Corporation filed Critical Baxter International Inc.
Publication of CA2216383A1 publication Critical patent/CA2216383A1/en
Application granted granted Critical
Publication of CA2216383C publication Critical patent/CA2216383C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
    • Y10S623/901—Method of manufacturing prosthetic device

Abstract

A method for improving the radial enlargeability and other properties of tape-reinforced tubular vascular graft formed of sintered fluoropolymer(s), such as expanded, sintered PTFE. Broadly, the method comprises the step of radially shrinking the reinforcement tape layer of the graft, or the entire tape-reinforced graft, after sintering thereof. Such radial shrinkage of the reinforcement tape layer, or of the entire graft, renders the graft subsequently radially enlargeable by more than 5%, without tearing or breaking of the reinforcement tape layer of the graft. Radially enlargeable grafts of the present invention may be combined with various types of stents or anchoring systems, to form endovascular graft devices which are transluminally insertable and implantable within the lumen of a host blood vessel.
Alternatively, radially enlargeable grafts of the present invention may be implanted by way of traditional surgical graft implantation techniques, without any radial enlargement of the graft at the time of implantation, so as to take advantage of the improved strength properties and suture-holding properties of the radially-shrunken tape-reinforced grafts of the present invention.
CA002216383A 1995-04-17 1996-04-15 Radially-enlargeable ptfe tape-reinforced vascular grafts and their methods of manufacture Expired - Lifetime CA2216383C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/423,762 1995-04-17
US08/423,762 US5641373A (en) 1995-04-17 1995-04-17 Method of manufacturing a radially-enlargeable PTFE tape-reinforced vascular graft
PCT/US1996/005165 WO1996033066A1 (en) 1995-04-17 1996-04-15 Radially-enlargeable ptfe tape-reinforced vascular grafts and their methods of manufacture

Publications (2)

Publication Number Publication Date
CA2216383A1 true CA2216383A1 (en) 1996-10-24
CA2216383C CA2216383C (en) 2007-08-07

Family

ID=23680082

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002216383A Expired - Lifetime CA2216383C (en) 1995-04-17 1996-04-15 Radially-enlargeable ptfe tape-reinforced vascular grafts and their methods of manufacture

Country Status (12)

Country Link
US (3) US5641373A (en)
EP (1) EP0821648B1 (en)
JP (2) JP3907208B2 (en)
AT (1) ATE205776T1 (en)
AU (1) AU692707B2 (en)
BR (1) BR9608191A (en)
CA (1) CA2216383C (en)
DE (1) DE69615356T2 (en)
DK (1) DK0821648T3 (en)
ES (1) ES2166885T3 (en)
PT (1) PT821648E (en)
WO (1) WO1996033066A1 (en)

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WO1996033066A1 (en) 1996-10-24
JP3907208B2 (en) 2007-04-18
EP0821648B1 (en) 2001-09-19
AU5545796A (en) 1996-11-07
US5641373A (en) 1997-06-24
US6267834B1 (en) 2001-07-31
ES2166885T3 (en) 2002-05-01
CA2216383C (en) 2007-08-07
ATE205776T1 (en) 2001-10-15
US5843173A (en) 1998-12-01
JP2007021250A (en) 2007-02-01
AU692707B2 (en) 1998-06-11
PT821648E (en) 2002-02-28
EP0821648A1 (en) 1998-02-04
DK0821648T3 (en) 2002-01-21
BR9608191A (en) 1998-07-21
JPH11503981A (en) 1999-04-06
DE69615356T2 (en) 2002-06-13
DE69615356D1 (en) 2001-10-25

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