Cushion for a patient interface
US8550080B2 · kind B2 · utility
4Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2008 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0683
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A respiratory mask is provided having cushion and a shell wherein the cushion has a frustum portion that extends towards the face of the user to provide a larger more stable and comfortable interface with a user which is better able to conform to the complex geometry of the user's face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.