Patent · US Expired

Analysis of Sleep Apnea

US6893405B2 · kind B2 · utility

34Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 2003
Grant dateMay 17, 2005
Priority date
Expiry dateApr 11, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/08
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.