(19)

(11)

EP 1 011 447 A2

(12)

(88) Date of publication A3: 11.03.1999 (43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 98906256.7 (22) Date of filing: 06.02.1998

(51) International Patent Classification (IPC)7: A61B 7/00 (86) International application number: PCT/US9802/496 (87) International publication number: WO 9834/542 (13.08.1998 Gazette 1998/32)

(84) Designated Contracting States: CH DE ES FR GB IT LI (30) Priority: 06.02.1997 US 795755 (71) Applicant: Stethtech Corporation Sharon, MA 02067 (US)	(72) Inventors: GRASFIELD, James, A. Sharon, MA 02067 (US) WINSTON, David, E. Winchester, MA 01890 (US) (74) Representative: de Beaumont, Michel  1bis, rue Champollion 38000 Grenoble 38000 Grenoble (FR)