(19)

(11)

EP 1 214 019 A1

(12)

(43) Date of publication: 19.06.2002 Bulletin 2002/25 (21) Application number: 00965347.8 (22) Date of filing: 21.09.2000

(51) International Patent Classification (IPC)7: A61F 2/06 (86) International application number: PCT/US0026/111 (87) International publication number: WO 0121/106 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 22.09.1999 US 401437 (71) Applicant: IMPRA, INC. Tempe, AZ 85280-1740 (US)	(72) Inventors: EDWIN, Tarun, J. Tempe, AZ 85285 (US) MCDERMOTT, John, D. Mesa, AZ 85210 (US) (74) Representative: Barlow, Roy James  J.A. KEMP & CO.14, South SquareGray's Inn London WC1R 5JJ London WC1R 5JJ (GB)