(19)

(11)

EP 0 936 934 A1

(12)

(43) Date of publication: 25.08.1999 Bulletin 1999/34 (21) Application number: 97945280.0 (22) Date of filing: 25.09.1997

(51) International Patent Classification (IPC):  A61M 5/ 28( . ) A61M 5/ 315( . ) (86) International application number: PCT/US1997/017194 (87) International publication number: WO 1998/013088 (02.04.1998 Gazette 1998/13)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 27.09.1996 US 19960722603 (71) Applicant: Abbott Laboratories Abbott Park, Illinois 60064-3500 (US)	(72) Inventors: GRABENKORT, Richard, W. Barrington, IL 60010 (US) HOFSTETTER, John, M. Vernon Hills, IL 60061 (US) O'NEIL, John, A. Mundelein, IL 60060 (US) (74) Representative: Modiano, Guido, Dr.-Ing., et al  Modiano, Josif, Pisanty & Staub, Baaderstrasse 3 80469 München 80469 München (DE)