Mask and vent assembly therefor

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United States of America Patent

PATENT NO 8833371
APP PUB NO 20110277771A1
SERIAL NO

12944583

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A mask (10) for use with a system for supplying breathable gas pressurized 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 and a gas washout vent assembly (20). The gas washout vent assembly (20) includes at least one gas washout orifice (22) extending from a first side of the vent assembly (20) positioned, in use, adjacent the human or animal's face and a second side positioned, in use, adjacent the atmosphere. The cross-sectional area of the orifice (22) at the first side is larger than the cross-sectional area of the orifice (22) at the second side.

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Patent Owner(s)

  • RESMED LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kwok, Philip Rodney Chatswood, AU 299 15429
Lithgow, Perry David Moruya, AU 148 6412

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