(19)

(11)

EP 0 241 462 A1

(12)

(43) Date of publication: 21.10.1987 Bulletin 1987/43 (21) Application number: 86900021.0 (22) Date of filing: 06.12.1985

(51) International Patent Classification (IPC):  A61F 7/ 00( . ) A61N 1/ 00( . ) A61N 1/ 40( . ) A61H 39/ 00( . ) A61N 1/ 36( . ) A61N 5/ 06( . ) (86) International application number: PCT/AU1985/000310 (87) International publication number: WO 1986/003401 (19.06.1986 Gazette 1986/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.12.1984 AU 19840036439 (71) Applicant: PEARL, Henry Mosman, NSW 2088 (AU)	(72) Inventor: LEWIS, John Neutral Bay, NSW 2089 (AU)