(19)

(11)

EP 0 051 643 A1

(12)

(43) Date of publication: 19.05.1982 Bulletin 1982/20 (21) Application number: 81901277.0 (22) Date of filing: 07.05.1981

(51) International Patent Classification (IPC):  A61M 1/ 00( . ) (86) International application number: PCT/US1981/000605 (87) International publication number: WO 1981/003125 (12.11.1981 Gazette 1981/27)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 08.05.1980 US 19800148042 (71) Applicant: BIOMEDICAL ENGINEERING CORP. Red Bank New Jersey 07701 (US)	(72) Inventors: BUECHEL, Frederick F. Irvington, NJ 07111 (US) PAPPAS, Michael J. Caldwell, NJ 07006 (US) WITTE, Paul A. Hopewell, NJ 08525 (US) (74) Representative: Dennemeyer, John James, et al  Dennemeyer & Associates Sàrl P.O. Box 1502 L-1015 Luxembourg L-1015 Luxembourg (LU)