Cushion for ventilation interface
US8215305B2 · kind B2 · utility
0Cited by
14References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2008 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0655
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In accordance with at least one exemplary embodiment, a cushion for a ventilation interface is disclosed. A ventilation mask can include a mask body adapted to matingly engage with the cushion. The cushion can be a double-membrane cushion having an outer sealing membrane and an inner membrane, both of which can extend from a frame. The outer sealing membrane can have a face-contacting portion. The inner membrane can be outwardly oriented from the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.