(19)

(11)

EP 1 450 728 A1

(12)

(43) Date of publication: 01.09.2004 Bulletin 2004/36 (21) Application number: 02790000.0 (22) Date of filing: 06.12.2002

(51) International Patent Classification (IPC)7: A61F 2/06 (86) International application number: PCT/US2002/038641 (87) International publication number: WO 2003/049643 (19.06.2003 Gazette 2003/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 10.12.2001 US 339529 P (71) Applicant: Wit IP Corporation Southborough, MA 01772 (US)	(72) Inventor: CIOANTA, Iulian Exton, PA 19341 (US) (74) Representative: Buckley, Guy Julian et al Castles,1 King Street Bakewell,Derbyshire DE45 1DZ Bakewell,Derbyshire DE45 1DZ (GB)