(19)

(11)

EP 0 172 872 A1

(12)

(43) Date of publication: 05.03.1986 Bulletin 1986/10 (21) Application number: 85901103.0 (22) Date of filing: 07.02.1985

(51) International Patent Classification (IPC):  A61F 5/ 453( . ) A61F 13/ 15( . ) A61F 5/ 44( . ) (86) International application number: PCT/SE1985/000062 (87) International publication number: WO 1985/003428 (15.08.1985 Gazette 1985/18)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 10.02.1984 SE 19830006888 (71) Applicant: LENNAARD, Douglas S-115 38 Stockholm (SE)	(72) Inventor: LENNAARD, Douglas S-115 38 Stockholm (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)