Cushion for a respiratory mask assembly

Details Cushion for a respiratory mask assembly Cushion for a respiratory mask assembly

2011-06-14

2011-06-14

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S207170, C128S206260

Reexamination Certificate

active

07958893

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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