(19)

(11)

EP 0 085 071 A1

(12)

(43) Date of publication: 10.08.1983 Bulletin 1983/32 (21) Application number: 82902325.0 (22) Date of filing: 21.06.1982

(51) International Patent Classification (IPC):  A61B 5/ 022( . ) (86) International application number: PCT/US1982/000841 (87) International publication number: WO 1983/000426 (17.02.1983 Gazette 1983/05)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 03.08.1981 US 19810289395 (71) Applicant: IVAC CORPORATION San Diego, CA 92121 (US)	(72) Inventor: GEORGI, Heinz W. Del Mar, CA 92014 (US)