(19)

(11)

EP 0 821 597 A1

(12)

(43) Date of publication: 04.02.1998 Bulletin 1998/06 (21) Application number: 95916351.0 (22) Date of filing: 11.04.1995

(51) International Patent Classification (IPC):  A61B 17/ 12( . ) A61F 2/ 958( . ) A61M 25/ 00( . ) A61B 19/ 02( . ) A61M 1/ 10( . ) (86) International application number: PCT/US1995/004531 (87) International publication number: WO 1996/032145 (17.10.1996 Gazette 1996/46)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: NEW YORK UNIVERSITY New York, NY 10016 (US)	(72) Inventor: PARADIS, Norman, A. Brooklyn, NY 11201-4106 (US) (74) Representative: Hübner, Gerd, Dipl.-Phys., et al  Rau, Schneck & Hübner Patentanwälte Königstrasse 2 90402 Nürnberg 90402 Nürnberg (DE)