Mask and a vent assembly therefor
US6561190B1 · kind B1 · utility
422Cited by
169References
76Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1998 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Feb 10, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mask (10) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal's airways. The mask (10) includes a mask shell (12) which is, in use, in fluid communication with a gas supply conduit (30), and a gas washout vent assembly (20). At least the region of the mask shell (12) or conduit (30) surrounding or adjacent the vent assembly is formed from a relatively flexible elastomeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.