(19)

(11)

EP 1 715 901 A2

(12)

(88) Date of publication A3: 06.10.2005 (43) Date of publication: 02.11.2006 Bulletin 2006/44 (21) Application number: 05712537.9 (22) Date of filing: 26.01.2005

(51) International Patent Classification (IPC):  A61M 1/00(2006.01) (86) International application number: PCT/US2005/003128 (87) International publication number: WO 2005/072789 (11.08.2005 Gazette 2005/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 26.01.2004 US 539158 P (71) Applicant: Medtronic Brooklyn Park, MN 55428 (US)	(72) Inventor: OPIE, John, C. Scottsdale, AZ 85258 (US) (74) Representative: Hackney, Nigel John et al Mewburn Ellis LLP York House, 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)