Systems for reducing exhalation pressure in a mask system
US9259547B2 · kind B2 · utility
4Cited by
17References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Jun 16, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0266
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for improving patient comfort during CPAP therapy includes a venting arrangement arranged to reduce expiratory pressure. A mask system for providing CPAP therapy to a patient includes a mask; a flow generator to provide a flow of pressurized breathable gas; a tube to connect the mask to the flow generator; and a venting arrangement arranged to reduce expiratory pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.