Patent ID: 9440040
Filing Date: 2016-09-13
CPC Classification: A61M

Claim Text:
1. A respiratory apparatus for delivering gas to a patient, including: a PAP device generating a supply of pressurised gas to be delivered to the patient; a humidifier configured to a) contain a body of water, b) vaporise at least a portion of the body of water and c) deliver water vapour generated from the body of water to humidify the gas; a gas flow path leading from the PAP device to the humidifier and from the humidifier to a patient interface; and a heater arranged to be in thermal contact with the gas and the body of water, wherein the heater comprises an elongate heating filament in the form of a tape and a portion of the elongate heating filament is arranged to be buoyantly supported by the body of water when the body of water is contained in the humidifier.