(19)

(11)

EP 0 814 856 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 96945083.0 (22) Date of filing: 20.12.1996

(51) International Patent Classification (IPC):  A61M 5/ 32( . ) A61M 25/ 06( . ) (86) International application number: PCT/US1996/020740 (87) International publication number: WO 1997/025082 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI NL (30) Priority: 11.01.1996 US 19960584451 17.09.1996 US 19960714959 (71) Applicant: Medisystems Technology Corporation Las Vegas, Nevada 89101 (US)	(72) Inventors: UTTERBERG, David, S. Seattle, WA 98121 (US) SCHNELL, William J. Libertyville, IL 60048 (US) (74) Representative: Schubert, Siegmar, Dipl.-Ing.  Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Grosse Eschenheimer Strasse 39 60313 Frankfurt 60313 Frankfurt (DE)