A dual-purpose medical device for upper airway treatment and methods for using the device are disclosed. The device for upper airway treatment includes two primary components. The first component is a cassette connectable to an airflow generator. The second component is the airflow generator. The airflow...http://www.google.de/patents/US6457471?utm_source=gb-gplus-sharePatent US6457471 - Dual-purpose medical device for upper airway treatment and methods for using same
