Cushion for a respiratory mask assembly
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United States of America Patent
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-
Jun 14, 2011
Issued Date -
N/A
app pub date -
Mar 18, 2009
filing date -
Sep 7, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth. The mask includes a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections. The chin seal section is upwardly curved in an arch to follow the chin's bony contour.
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