Oxygen mask assembly
US6718979B1 · kind B1 · utility
6Cited by
32References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2000 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Jul 8, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0683
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An oxygen mask assembly including an oxygen dilutor assembly with air inlet apertures located in a top wall thereof for diluting the oxygen flowing therethrough. In one embodiment, the mask assembly additionally includes an air reservoir bag assembly, a one-way inhalation valve for maintaining continuous positive airway pressure in the mask and a pressure valve on the mask for adjusting the air pressure in the mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.