Method and apparatus for resolving upper airway obstruction, resistance or instability
US8413654B2 · kind B2 · utility
5Cited by
9References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2005 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Sep 28, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/63
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A CPAP apparatus has a variable rise time (iii) from a base level of positive air pressure during expiration (EPAP) to a higher level during inspiration (IPAP). The rise time is adjusted in order to reduce obstruction, resistance or instability in the upper airway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.