Airway resistance of a patient's lungs is measured by applying an oscillating compressive force to the patient's chest while supplying air pressure to a mouthpiece in communication with the patient's mouth so that airflow from the patient's mouth equals expiratory flow produced by the oscillating compressive...http://www.google.fr/patents/US6210345?utm_source=gb-gplus-shareBrevet US6210345 - Outcome measuring airway resistance diagnostic system
Outcome measuring airway resistance diagnostic system
