(19)

(11)

EP 0 243 365 A1

(12)

(43) Date of publication: 04.11.1987 Bulletin 1987/45 (21) Application number: 86900672.0 (22) Date of filing: 30.12.1985

(51) International Patent Classification (IPC):  A61F 2/ 16( . ) G02C 7/ 04( . ) (86) International application number: PCT/FI1985/000103 (87) International publication number: WO 1986/003961 (17.07.1986 Gazette 1986/17)

(84) Designated Contracting States: AT BE DE GB IT NL SE (30) Priority: 31.12.1984 FI 19840005177 (71) Applicant: VANNAS, Antti SF-00170 Helsinki (FI)	(72) Inventor: VANNAS, Antti SF-00170 Helsinki (FI)