Patent ID: 7146979
Filing Date: 2006-12-12
Classification: A61M

Abstract:
1. Humidification apparatus for providing humidified gas to a patient or other person in need of such gas comprising: an inlet for receiving gas, a humidifier configured to provide water vapour to at least some of said gas received at said inlet so that at least same of the received gas is humidified and/or heated, an outlet through which humidified and/or heated gas is discharged from the humidifier, an air heater configured to directly heat at least some of said gas passing through said humidification apparatus, in parallel to said humidifier, at least one sensor configured to provide an indication of at least two of, relative humidity, absolute humidity and temperature of said gas, a controller or processor configured to energise said humidifier and said air heater to achieve a combination of any two of predetermined absolute humidity, predetermined relative humidity and predetermined temperature of said gas.