(19)

(11)

EP 0 535 049 A1

(12)

(43) Date of publication: 07.04.1993 Bulletin 1993/14 (21) Application number: 91911038.0 (22) Date of filing: 07.06.1991

(51) International Patent Classification (IPC):  A61H 1/ 02( . ) (86) International application number: PCT/GB1991/000920 (87) International publication number: WO 1991/019472 (26.12.1991 Gazette 1991/29)

(84) Designated Contracting States: DE FR GB (30) Priority: 21.06.1990 GB 19900013868 (71) Applicant: CLARKE, Allan Nr Macclesfield, Cheshire SK10 5DA (GB)	(72) Inventor: CLARKE, Allan Nr Macclesfield, Cheshire SK10 5DA (GB) (74) Representative: McNeight, David Leslie (GB), et al  McNeight & Lawrence Regent House Heaton Lane GB-Stockport, Cheshire SK4 1BS GB-Stockport, Cheshire SK4 1BS (GB)