Breathing assistance device comprising a gas regulating valve and associated breathing assistance method
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jan 9, 2014
app pub date -
Sep 4, 2013
filing date -
May 2, 2005
priority date (Note) -
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Abstract
The invention relates to a breathing assistance device for a patient, the device including: a source of respiratory pressurised gas; a gas transmission duct comprising a distal end coupled to said source and a proximal end coupled to the patient; a gas regulating valve interposed in the gas transmission duct at a proximal location, comprising a leakage orifice and an obstruction means capable of varying the opening of the leakage orifice upon signal of controlling means and allowing a bidirectional gas flow through the leakage orifice in both expiration and inspiration phases.
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