Title:
DILATATION CATHETER BALLOON MADE FROM PEN BASED HOMOPOLYMER OR RANDOM COPOLYMER
Document Type and Number:
WIPO Patent Application WO1999012585
Kind Code:
A3
Abstract:
A balloon for a medical device has a structural layer of a highly crystallized PEN polymer material. The PEN polymer material a polyethylene naphthalate homopolymer or a crystallizable copolyester made up of residues of ethylene glycol, naphthalene dicarboxylic acid (NDC) and at least one member of the group (PA) consisting of terephthalic acid and isophthalic acid. The NDC groups make up about 5 % or more of the sum of NDC and PA groups in the copolymer. The balloon is characterized by an ability to withstand a hoop stress of at least 35,000 psi without bursting.
Inventors:
FERRERA DAVID A
SAHATJIAN RONALD A
CAMPBELL ANDREW J
MICHAELS GEORGES C
SAHATJIAN RONALD A
CAMPBELL ANDREW J
MICHAELS GEORGES C
Application Number:
PCT/US1998/018344
Publication Date:
May 27, 1999
Filing Date:
September 04, 1998
Export Citation:
Assignee:
SCIMED LIFE SYSTEMS INC (US)
International Classes:
A61L29/04; A61L29/06; A61F2/958; (IPC1-7): A61L29/00; A61M25/10
Domestic Patent References:
| WO1996000752A1 | 1996-01-11 |
Foreign References:
| US5556383A | 1996-09-17 | |||
| EP0768097A2 | 1997-04-16 | |||
| EP0747070A2 | 1996-12-11 | |||
| US5270086A | 1993-12-14 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 017, no. 285 (C - 1066) 2 June 1993 (1993-06-02)
PATENT ABSTRACTS OF JAPAN vol. 095, no. 001 28 February 1995 (1995-02-28)
PATENT ABSTRACTS OF JAPAN vol. 095, no. 001 28 February 1995 (1995-02-28)
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