Combination anesthesia and scavenger surgical mask
US8291905B2 · kind B2 · utility
7Cited by
32References
18Claims
0Family size
Inventor
Key dates
| Filing date | Nov 19, 2008 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Apr 22, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical mask for administering and/or scavenging medical gases includes a nasal mask and an oral mask that envelops the nasal mask. The nasal mask is secured to the oral mask and may be removable from it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.