Nasal mask
US7621274B2 · kind B2 · utility
103Cited by
207References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2003 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Jul 21, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal mask of the type for delivering gas for example to ease or assist the breathing process includes a shell and a cushion connected with the shell. The shell has a side wall and a retaining ring disposed inside the side wall. The side wall and the retaining ring define a gap extending around the shell. The cushion has a side wall with an outer peripheral edge portion including a tongue extending around the cushion. The tongue of the cushion is received in the gap in the shell to secure the cushion to the shell. Various straps assemblies and forehead adjusters for nasal masks are also shown.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.