(19)

(11)

EP 1 104 277 A1

(12)

(43) Date of publication: 06.06.2001 Bulletin 2001/23 (21) Application number: 99939512.2 (22) Date of filing: 10.08.1999

(51) International Patent Classification (IPC)7: A61G 7/10 (86) International application number: PCT/GB9902/637 (87) International publication number: WO 0009/063 (24.02.2000 Gazette 2000/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.08.1998 US 96449 P (71) Applicant: Silver Crown Associates Limited Hanley,Stoke-on-Trent,Staffordshire ST1 5NH (GB)	(72) Inventor: STEADMAN, William David Stuart, FL 34997 (US) (74) Representative: Sales, Robert Reginald  Swindell & Pearson,48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)