A passive humidifier for use with positive airway pressure devices including a chamber having an inlet and an outlet for holding a supply of water. Pressurized air is forced over a series of baffles arrayed within parallel channels inside the chamber for creating localized turbulence at the free water...http://www.google.es/patents/US5598837?utm_source=gb-gplus-sharePatente US5598837 - Passive humidifier for positive airway pressure devices
Passive humidifier for positive airway pressure devices