(19)

(11)

EP 0 098 840 A1

(12)

(43) Date of publication: 25.01.1984 Bulletin 1984/04 (21) Application number: 83900260.0 (22) Date of filing: 10.01.1983

(51) International Patent Classification (IPC):  A61B 18/ 14( . ) (86) International application number: PCT/AU1983/000001 (87) International publication number: WO 1983/002389 (21.07.1983 Gazette 1983/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 11.01.1982 AU 19820002248 08.09.1982 AU 19830000057 (71) Applicant: BOLTON, Gerrida Mt. Eliza VIC (AU)	(72) Inventor: BOLTON, Gerrida Mt. Eliza VIC (AU)