(19)

(11)

EP 0 809 467 A1

(12)

(43) Date of publication: 03.12.1997 Bulletin 1997/49 (21) Application number: 96906406.0 (22) Date of filing: 15.02.1996

(51) International Patent Classification (IPC):  A61B 17/ 04( . ) A61B 17/ 88( . ) (86) International application number: PCT/US1996/001934 (87) International publication number: WO 1996/025104 (22.08.1996 Gazette 1996/38)

(84) Designated Contracting States: CH DE FR GB LI (30) Priority: 15.02.1995 US 19950388951 (71) Applicant: Stone, Kevin R. Mill Valley, CA 94941 (US)	(72) Inventors: STONE, Kevin, R. Mill Valley, CA 94941 (US) DESATNICK, Allen, H. Marblehead, MA 01945 (US) (74) Representative: Dubois-Chabert, Guy, et al  Société de Protection des Inventions 25, rue de Ponthieu 75008 Paris 75008 Paris (FR)