Nasal pillows with high volume bypass flow and method of using same
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United States of America Patent
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Dec 8, 2015
Grant Date -
May 19, 2011
app pub date -
Nov 14, 2008
filing date -
Nov 16, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A fan unit which in use forms part of a gases supply unit, the gases supply unit suitable for use as part of a system for providing heated humidified gases to a user, the fan unit having a casing that has an inlet aperture and an outlet passage, the outlet passage including an exit aperture, the fan unit also including a fan which is located inside the casing and which is adapted for connection to a motor to drive rotation of the fan in use, the fan drawing gases into the casing via the inlet aperture, and forcing these gases out of the casing via the outlet passage as a gases stream, the outlet passage further including at least one bypass vent hole independent of the exit aperture and arranged at an angle to the path of the gases stream through the outlet passage.
First Claim
Family
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