(19)

(11)

EP 0 986 358 A1

(12)

(43) Date of publication: 22.03.2000 Bulletin 2000/12 (21) Application number: 98924472.8 (22) Date of filing: 28.05.1998

(51) International Patent Classification (IPC)7: A61G 7/10 (86) International application number: PCT/GB9801/570 (87) International publication number: WO 9855/068 (10.12.1998 Gazette 1998/49)

(84) Designated Contracting States: BE DE FR GB IE NL (30) Priority: 03.06.1997 US 48533 P 05.11.1997 US 66634 P (71) Applicant: Silver Crown Associates Limited HanleyStoke-on-TrentStaffordshire ST1 5NH (GB)	(72) Inventor: STEADMAN, William David Palm City, FL 34990 (US) (74) Representative: Sales, Robert Reginald  Swindell & Pearson,48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)