(19)

(11)

EP 0 645 984 A1

(12)

(43) Date of publication: 05.04.1995 Bulletin 1995/14 (21) Application number: 93914666.0 (22) Date of filing: 17.06.1993

(51) International Patent Classification (IPC):  A61B 17/ 15( . ) A61B 17/ 16( . ) A61B 17/ 17( . ) A61B 19/ 00( . ) (86) International application number: PCT/EP1993/001540 (87) International publication number: WO 1993/025157 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL (30) Priority: 18.06.1992 DE 19924219939 (71) Applicant: RADERMACHER, Klaus D-52062 Aachen (DE)	(72) Inventors: RADERMACHER, Klaus D-5100 Aachen (DE) RAU, Günter D-5100 Aachen (DE) STAUDTE, Hans-Walter D-5102 Würselen (DE) (74) Representative: Hilleringmann, Jochen, Dipl.-Ing., et al  Patentanwälte von Kreisler-Selting-Werner, Postfach 10 22 41 D-50462 Köln D-50462 Köln (DE)