Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 22, 2009
Patent Application Number
11219457
Date Filed
September 2, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and device are provided for measuring state of lung function of a patient using ultrasonic flow and molar mass measurement. Flow and molar mass signals are recorded during tidal breathing without requiring patient cooperation. Statistical analysis of the recorded data in combination with anthropometirc data and/or data form a questionnaire can be used to diagnose various pulmonary ailments or diseases.
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