Analysis of Sleep Apnea
US6893405B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2003 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Apr 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.