Patient interface assembly for CPAP respiratory apparatus
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United States of America Patent
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Apr 26, 2011
Grant Date -
May 31, 2007
app pub date -
Jan 29, 2007
filing date -
Dec 20, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A patient interface assembly adapted to be connected to a gas supply pump to deliver pressurized breathable gas to the inlet of a patient's respiratory system includes a patient interface structured to provide a seal with the patient and at least one inlet tube provided to the patient interface. Each inlet tube includes a substantially flat lower side wall to face the patient and a substantially arcuate upper side wall.
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