(19)

(11)

EP 1 011 807 A2

(12)

(88) Date of publication A3: 11.09.1998 (43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 97954226.3 (22) Date of filing: 29.12.1997

(51) International Patent Classification (IPC)7: A61N 2/04 (86) International application number: PCT/US9723/845 (87) International publication number: WO 9829/156 (09.07.1998 Gazette 1998/27)

(84) Designated Contracting States: CH DE FR LI (30) Priority: 30.12.1996 US 34561 P 11.04.1997 US 43764 P (71) Applicant: Surbeck, Margaret P. Alberton, CA 94027 (US)	(72) Inventors: SURBECK, Margaret, P. Alberton, CA 94027 (US) DEVRIES, Robert, L. Palo Alto, CA 94301 (US) SURBECK, L., Homer deceased (US) (74) Representative: Müller-Boré & PartnerPatentanwälte  Grafinger Strasse 2 81671 München 81671 München (DE)