(19)

(11)

EP 0 115 489 A1

(12)

(43) Date of publication: 15.08.1984 Bulletin 1984/33 (21) Application number: 83900981.0 (22) Date of filing: 09.03.1983

(51) International Patent Classification (IPC):  A61B 5/ 155( . ) G01N 33/ 483( . ) G01N 1/ 00( . ) (86) International application number: PCT/SE1983/000082 (87) International publication number: WO 1983/003057 (15.09.1983 Gazette 1983/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 09.03.1982 SE 19820001448 (71) Applicant: WALLE, Roald-Franch S-151 60 Södertälje (SE)	(72) Inventor: WALLE, Roald-Franch S-151 60 Södertälje (SE)