Combination anesthesia and scavenger surgical mask
US8539953B2 · kind B2 · utility
5Cited by
32References
22Claims
0Family size
Inventor
Key dates
| Filing date | Aug 12, 2009 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Apr 30, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/107
- 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.