ApplicationNo. 412086 filed on 10/04/1999
ExaminersPrimary: Winakur, Eric F.
Assistant: Natnithithadha, Navin
Attorney, Agent or Firm
Foreign Patent References
International ClassA61B 005/08
AbstractAirway 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 force.