Mask and a vent assembly therefor
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United States of America Patent
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May 13, 2003
Grant Date -
N/A
app pub date -
Feb 10, 1998
filing date -
Feb 10, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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