Patent ID: 7962018
Filing Date: 2011-06-14
Classification: A61M,G01F,G05D

Abstract:
1. A breathing assistance apparatus adapted to deliver humidified gases at a desired level of humidity or at a desired temperature to a patient, comprising: a humidifier including a heater, a heater temperature sensor providing an indication of the heater temperature, and a heater power input for energising said heater, said humidifier adapted to receive a chamber for holding a volume of water, said heater adapted to transfer heat to water within said chamber to produce water vapour within said chamber, said gases in use passing through water vapour within said chamber thereby being humidified; and a controller adapted to monitor and control said heater power input so as to energise said heater to humidify said gases to said desired level of humidity or said desired temperature, said controller configured to: