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 manufactureInfo
- 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
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.
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.
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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-
1995
- 1995-04-17 US US08/423,762 patent/US5641373A/en not_active Expired - Lifetime
-
1996
- 1996-04-15 EP EP96912756A patent/EP0821648B1/en not_active Expired - Lifetime
- 1996-04-15 AU AU55457/96A patent/AU692707B2/en not_active Ceased
- 1996-04-15 WO PCT/US1996/005165 patent/WO1996033066A1/en active IP Right Grant
- 1996-04-15 AT AT96912756T patent/ATE205776T1/en not_active IP Right Cessation
- 1996-04-15 DE DE69615356T patent/DE69615356T2/en not_active Expired - Lifetime
- 1996-04-15 BR BR9608191A patent/BR9608191A/en not_active IP Right Cessation
- 1996-04-15 CA CA002216383A patent/CA2216383C/en not_active Expired - Lifetime
- 1996-04-15 JP JP53182396A patent/JP3907208B2/en not_active Expired - Fee Related
- 1996-04-15 ES ES96912756T patent/ES2166885T3/en not_active Expired - Lifetime
- 1996-04-15 PT PT96912756T patent/PT821648E/en unknown
- 1996-04-15 DK DK96912756T patent/DK0821648T3/en active
-
1997
- 1997-04-18 US US08/844,482 patent/US5843173A/en not_active Expired - Lifetime
-
1998
- 1998-12-01 US US09/201,953 patent/US6267834B1/en not_active Expired - Lifetime
-
2006
- 2006-10-23 JP JP2006288111A patent/JP2007021250A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0821648A1 (en) | 1998-02-04 |
AU5545796A (en) | 1996-11-07 |
DK0821648T3 (en) | 2002-01-21 |
ATE205776T1 (en) | 2001-10-15 |
DE69615356D1 (en) | 2001-10-25 |
ES2166885T3 (en) | 2002-05-01 |
US6267834B1 (en) | 2001-07-31 |
DE69615356T2 (en) | 2002-06-13 |
JP3907208B2 (en) | 2007-04-18 |
AU692707B2 (en) | 1998-06-11 |
EP0821648B1 (en) | 2001-09-19 |
US5843173A (en) | 1998-12-01 |
CA2216383C (en) | 2007-08-07 |
BR9608191A (en) | 1998-07-21 |
WO1996033066A1 (en) | 1996-10-24 |
JP2007021250A (en) | 2007-02-01 |
US5641373A (en) | 1997-06-24 |
PT821648E (en) | 2002-02-28 |
JPH11503981A (en) | 1999-04-06 |
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MKEX | Expiry |
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