(19)

(11)

EP 0 679 104 A1

(12)

(43) Date of publication: 02.11.1995 Bulletin 1995/44 (21) Application number: 92917206.0 (22) Date of filing: 05.08.1992

(51) International Patent Classification (IPC):  A61M 5/ 50( . ) (86) International application number: PCT/AU1992/000412 (87) International publication number: WO 1993/002727 (18.02.1993 Gazette 1993/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 05.08.1991 AU 19910007588 (71) Applicant: Polyblank, Alan Henry Double Bay, NSW 2028 (AU)	(72) Inventors: POLYBLANK, Alan, Henry Double Bay, NSW 2028 (AU) RICHARDSON, Alexander, Stewart West Ryde, NSW 2114 (AU) (74) Representative: Hilleringmann, Jochen, Dipl.-Ing., et al  Patentanwälte von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)