(19)

(11)

EP 0 221 963 A1

(12)

(43) Date of publication: 20.05.1987 Bulletin 1987/21 (21) Application number: 86903172.0 (22) Date of filing: 13.05.1986

(51) International Patent Classification (IPC):  A61B 5/ 103( . ) G01C 11/ 00( . ) (86) International application number: PCT/BR1986/000007 (87) International publication number: WO 1986/006948 (04.12.1986 Gazette 1986/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 20.05.1985 BR 19850002508 (71) Applicants: VERAS BOFF, Saul A-90.000 - Porte Alegre, RS (BR) PINTO GUERREIRO, Léo 90.000 - Porte Alegre, RS (BR)	(72) Inventor: PINTO GUERREIRO, Léo 90.000 Porto Alegre, RS (BR)