(19)

(11)

EP 0 120 885 A1

(12)

(43) Date of publication: 10.10.1984 Bulletin 1984/41 (21) Application number: 83903018.0 (22) Date of filing: 21.09.1983

(51) International Patent Classification (IPC):  A61B 19/ 00( . ) A61F 5/ 445( . ) (86) International application number: PCT/SE1983/000332 (87) International publication number: WO 1984/001103 (29.03.1984 Gazette 1984/09)

(84) Designated Contracting States: AT CH DE FR GB LI NL (30) Priority: 23.09.1982 SE 19820005451 (71) Applicant: AB TESI S-114 56 Stockholm (SE)	(72) Inventor: SILANDER, Gustaf, Torsten, Haraldsson S-114 56 Stockholm (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)