A device for diagnosing sleep apnea by identifying desaturation and resaturation events in oxygen saturation of a patient's blood. The slope of the events is determined and compared against various information to determine sleep apnea....http://www.google.fr/patents/US5398682?utm_source=gb-gplus-shareBrevet US5398682 - Method and apparatus for the diagnosis of sleep apnea utilizing a single interface with a human body part
Method and apparatus for the diagnosis of sleep apnea utilizing a single ...