(19)

(11)

EP 0 612 236 A1

(12)

(43) Date of publication: 31.08.1994 Bulletin 1994/35 (21) Application number: 92923019.0 (22) Date of filing: 11.11.1992

(51) International Patent Classification (IPC):  A61G 7/ 10( . ) (86) International application number: PCT/GB1992/002084 (87) International publication number: WO 1993/009748 (27.05.1993 Gazette 1993/13)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 15.11.1991 GB 19910024327 20.06.1992 GB 19920013149 (71) Applicant: MUSTARDE, John Clark Ayr, Ayrshire KA7 4DF (GB)	(72) Inventor: MUSTARDE, John Clark Ayr, Ayrshire KA7 4DF (GB) (74) Representative: Shanks, Andrew  Cruikshank & Fairweather, 19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)