(19)

(11)

EP 0 868 134 A1

(12)

(43) Date of publication: 07.10.1998 Bulletin 1998/41 (21) Application number: 96935142.0 (22) Date of filing: 31.10.1996

(51) International Patent Classification (IPC):  A61G 7/ 057( . ) (86) International application number: PCT/GB1996/002672 (87) International publication number: WO 1997/016094 (09.05.1997 Gazette 1997/20)

(84) Designated Contracting States: DE FR NL (30) Priority: 31.10.1995 GB 19950022208 (71) Applicant: Welch, Robert Dudley London N7 9DP (GB)	(72) Inventor: Welch, Robert Dudley London N7 9DP (GB) (74) Representative: Stebbing, Peter John Hunter, et al  Ablett & Stebbing, Caparo House, 101-103 Baker Street London W1M 1FD London W1M 1FD (GB)