(19)

(11)

EP 0 746 248 A1

(12)

(43) Date of publication: 11.12.1996 Bulletin 1996/50 (21) Application number: 94901156.0 (22) Date of filing: 07.10.1993

(51) International Patent Classification (IPC):  A61B 18/ 24( . ) A61B 17/ 22( . ) (86) International application number: PCT/US1993/009656 (87) International publication number: WO 1995/009574 (13.04.1995 Gazette 1995/16)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: PDT SYSTEMS, INC. Goleta, CA 93117 (US)	(72) Inventors: DOIRON, Daniel, R. Santa Ynez, CA 93460 (US) NARCISO, Hugh, L., Jr. Santa Barbara, CA 93109 (US) (74) Representative: Lehmann, Klaus, et al  Lehmann & Partner, Patentanwälte, Postfach 71 03 50 81453 München 81453 München (DE)