Respiratory mask cushion and mask using same
US8127764B2 · kind B2 · utility
48Cited by
11References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2005 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Nov 9, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0683
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A seal and a mask using a seal that includes a first end portion adapted to be coupled to a seal support, a second end portion adapted for sealing engagement with a face of a user, and a sidewall extending between the first end portion and the second end portion. The first end portion, second end portion, sidewall, or any combination thereof is formed from an elastomeric material having an elongation of at least 1000%. The seal preferably formed from a unitary piece of elastomeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.