(19)

(11)

EP 0 772 840 A1

(12)

(43) Date of publication: 14.05.1997 Bulletin 1997/20 (21) Application number: 95928774.0 (22) Date of filing: 25.07.1995

(51) International Patent Classification (IPC):  G01N 15/ 14( . ) G02B 21/ 36( . ) G06T 7/ 00( . ) G02B 21/ 26( . ) G06T 5/ 00( . ) (86) International application number: PCT/US1995/010006 (87) International publication number: WO 1996/003709 (08.02.1996 Gazette 1996/07)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL PT SE (30) Priority: 26.07.1994 US 19940280293 (71) Applicant: NEUROMEDICAL SYSTEMS, INC Suffern, NY 10901-4114 (US)	(72) Inventors: RUTENBERG, Mark, R. Munsy, NY 10952 (US) TJON-FO-SANG, Robert Valley Cottage, NY 10989 (US) (74) Representative: Cotter, Ivan John  D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)