(19)

(11)

EP 1 011 773 A1

(12)

(43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 98938520.8 (22) Date of filing: 13.08.1998

(51) International Patent Classification (IPC)7: A61M 16/00 (86) International application number: PCT/AU9800/641 (87) International publication number: WO 9908/738 (25.02.1999 Gazette 1999/08)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 14.08.1997 AU PO857797 13.03.1998 AU PP239198 (71) Applicant: RESMED LIMITED North Ryde,New South Wales 2113 (AU)	(72) Inventors: BRYDON, John, William, Ernest Waverton, NSW 2060 (AU) WICKHAM, Peter, John, Deacon Five Dock, NSW 2046 (AU) (74) Representative: Asquith, Julian Peter et al Marks & Clerk,Nash Court,Oxford Business Park South Oxfordshire OX4 2RU Oxfordshire OX4 2RU (GB)