Patent ID: 6050260
Filing Date: 2000-04-18
Classification: A61M

Abstract:
Breathing assistance apparatus for delivering gases to a patient to assist said patient's breathing comprising:gases supply means, including pressure regulating means for supplying gases at a required pressure level,means for providing an indication of the actual pressure of said gases,humidification means which receive said supply gases and variably humidify said gases up to a required humidity level,humidified gases transportation pathway means which channel said humidified gases to said patient,means for providing an indication of the humidity of said gases, andcontrol means programmed with stored instructions which in response to gases humidity and pressure information supplied by said means for providing an indication of the gases humidity and pressure, controls the pressure of gases supplied by said gases supply means so that the gases flow passing through said humidification means is limited to an amount which can be humidified to said required humidity level by said humidification means.