Respiratory mask assembly
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United States of America Patent
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-
Jan 15, 2013
Grant Date -
Sep 15, 2011
app pub date -
Mar 21, 2011
filing date -
Jun 16, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cushion for a respiratory mask assembly includes a breathing chamber forming portion and a face contacting portion formed in one piece of an elastomeric material, and a gusset portion including one or more folds. The breathing chamber forming portion includes a mask interior breathing chamber and the face contacting portion is structured to engage a patient's face. The gusset portion is structured to provide flexibility to the face contacting portion. The breathing chamber forming portion includes a front side of the mask and the face contacting portion includes a rear side of the mask. The breathing chamber forming portion, when provided to a mask frame, includes an exterior surface exposed at the front side of the mask.
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Family
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