(19)

(11)

EP 1 017 341 A1

(12)

(43) Date of publication: 12.07.2000 Bulletin 2000/28 (21) Application number: 96909725.2 (22) Date of filing: 15.03.1996

(51) International Patent Classification (IPC)7: A61F 5/00 (86) International application number: PCT/US9603/594 (87) International publication number: WO 9733/541 (18.09.1997 Gazette 1997/40)

(84) Designated Contracting States: BE DE FR GB (71) Applicant: Dean, Richard D. Shawnee, KS 66218 (US)	(72) Inventors: DEAN, Richard, D. Shawnee, KS 66218 (US) JONES, Dick, A. Shawnee, KS 66219 (US) (74) Representative: UEXKÜLL & STOLBERG  PatentanwälteBeselerstrasse 4 22607 Hamburg 22607 Hamburg (DE) (56) References cited: :