Method for measuring airway resistance
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United States of America Patent
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Issued Date -
Feb 14, 2008
app pub date -
Aug 11, 2006
filing date -
Aug 11, 2006
priority date (Note) -
Abandoned
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Abstract
A method of characterizing the respiratory properties of a conscious living organism from a single respiratory waveform containing thoracic and nasal flow signal components is described that includes acquiring a single box flow waveform containing thoracic and nasal flow signal components, measuring the areas of peaks of the waveform, and characterizing respiratory properties from the peak areas. A method is also described for characterizing the respiratory function of a conscious living subject by acquiring separate thoracic and nasal respiratory waveforms, determining the phase shifts between the waveforms at first and second time spaced points, determining the net inspired volume between the points, and characterizing respiratory function using the phase shift and net inspired volume.
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