(19)

(11)

EP 0 389 615 A1

(12)

(43) Date of publication: 03.10.1990 Bulletin 1990/40 (21) Application number: 89911502.0 (22) Date of filing: 28.09.1989

(51) International Patent Classification (IPC):  A61B 18/ 00( . ) A61F 9/ 007( . ) G10K 11/ 24( . ) A61F 9/ 00( . ) G10K 11/ 20( . ) (86) International application number: PCT/US1989/004207 (87) International publication number: WO 1990/003150 (05.04.1990 Gazette 1990/08)

(84) Designated Contracting States: FR IT (30) Priority: 30.09.1988 US 19880251531 (71) Applicant: STORZ INSTRUMENT COMPANY St Louis Missouri 63122 (US)	(72) Inventor: KLUG, Kevin, L. St. Louis, MO 63011 (US) (74) Representative: Williams, Trevor John  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5EU London WC1R 5EU (GB)