William H Burzelewski

US Patent:

20030139691, Jul 24, 2003

Filed:

Jan 22, 2003

Appl. No.:

10/348676

Inventors:

Anand Kumar - Amsterdam, NL
Winni Hofman - Amsterdam, NL
William Burzelewski - Danville CA, US

International Classification:

A61B005/103
A61B005/117

US Classification:

600/587000

Abstract:

A non-intrusive and quantitative method and apparatus for diagnosing sleep apnea and detecting apnea events by monitoring during sleep abdominal effort and thoracic effort, determining the phase of each effort, determining the difference in phase between each type of effort, and then determining the rate of phase angle change and standard deviation over time. Also provided may be treatment when apnea events are detected to trigger therapy apparatus such as airway positive pressure apparatus