(19)

(11)

EP 1 140 266 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 99966785.0 (22) Date of filing: 22.12.1999

(51) International Patent Classification (IPC)7: A61M 16/00, F24F 13/24 (86) International application number: PCT/AU9901/146 (87) International publication number: WO 0038/771 (06.07.2000 Gazette 2000/27)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 23.12.1998 AU PP789698 (71) Applicant: RESMED LIMITED North Ryde,New South Wales 2113 (AU)	(72) Inventor: DANTANARAYANA, Muditha, Pradeep Baulkham Hills, NSW 2153 (AU) (74) Representative: Asquith, Julian Peter  Marks & Clerk,4220 Nash Court,Oxford Business Park South Oxford OX4 2RU Oxford OX4 2RU (GB)