(19)

(11)

EP 0 317 559 A1

(12)

(43) Date of publication: 31.05.1989 Bulletin 1989/22 (21) Application number: 87904548.0 (22) Date of filing: 17.07.1987

(51) International Patent Classification (IPC):  A61G 5/ 02( . ) A61H 3/ 04( . ) A61G 5/ 12( . ) A61G 5/ 00( . ) A61G 5/ 10( . ) A61H 3/ 00( . ) (86) International application number: PCT/GB1987/000507 (87) International publication number: WO 1988/000460 (28.01.1988 Gazette 1988/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.07.1986 CA 19860514111 06.05.1987 US 19870046828 (71) Applicant: CANHART INDUSTRIES INC. Ontario L4C 4X7 (CA)	(72) Inventors: WARD, Adele, E Ontario L4C 4X7 (CA) WARD, J., R., Kingsley Ontario L4C 4X7 (CA) LUNAU, Kevin, R. Ontario L4T 1P7 (CA) STRINGER, Jeffrey, D. Ontario L5J 2K3 (CA) ROYCE, John, H. Ontario L0J 1CO (CA) MOORE, A., Edward Quebec J0J 1HO (CA) (74) Representative: Barlow, Roy James, et al  J.A. KEMP & CO. 14, South Square, Gray's Inn London WC1R 5LX London WC1R 5LX (GB)