(19)

(11)

EP 0 586 371 A1

(12)

(43) Date of publication: 16.03.1994 Bulletin 1994/11 (21) Application number: 91910972.0 (22) Date of filing: 23.05.1991

(51) International Patent Classification (IPC):  A61M 39/ 00( . ) A61M 25/ 00( . ) A61M 25/ 10( . ) A61F 2/ 84( . ) A61M 29/ 02( . ) (86) International application number: PCT/US1991/003638 (87) International publication number: WO 1992/020398 (26.11.1992 Gazette 1992/29)

(84) Designated Contracting States: BE DE FR GB IT NL (71) Applicant: LEOCOR, INC. Houston, TX 77058 (US)	(72) Inventors: WIJAY, Bandula Houston, TX 77058 (US) ANGELINI, Paolo Houston, TX 77099 (US) (74) Representative: Schwan, Gerhard, Dipl.-Ing.  Elfenstrasse 32 D-81739 München D-81739 München (DE)