(19)

(11)

EP 0 955 912 A1

(12)

(43) Date of publication: 17.11.1999 Bulletin 1999/46 (21) Application number: 97953447.0 (22) Date of filing: 31.12.1997

(51) International Patent Classification (IPC):  A61B 17/ 22( . ) (86) International application number: PCT/US1997/023881 (87) International publication number: WO 1998/029043 (09.07.1998 Gazette 1998/27)

(84) Designated Contracting States: DE DK ES FR GB IE IT (30) Priority: 31.12.1996 US 19960034137P (71) Applicant: Cook Urological Inc. Spencer, IN 47460 (US)	(72) Inventor: PINGLETON, Edward, D. Fillmore, IN 46128 (US) (74) Representative: Johnston, Kenneth Graham  5 Mornington Road Woodford Green Essex, IG8 OTU Woodford Green Essex, IG8 OTU (GB)