(19)

(11)

EP 0 861 098 A1

(12)

(43) Date of publication: 02.09.1998 Bulletin 1998/36 (21) Application number: 97936171.0 (22) Date of filing: 23.07.1997

(51) International Patent Classification (IPC):  A61M 5/ 145( . ) (86) International application number: PCT/US1997/012881 (87) International publication number: WO 1998/003211 (29.01.1998 Gazette 1998/04)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.07.1996 US 19960685285 (71) Applicant: Younkes, William E. Greenwood Village, CO 80121 (US)	(72) Inventor: Younkes, William E. Greenwood Village, CO 80121 (US) (74) Representative: Lucas, Brian Ronald  Lucas & Co. 135 Westhall Road Warlingham Surrey CR6 9HJ Warlingham Surrey CR6 9HJ (GB)