Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
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United States of America Patent
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May 8, 2018
Issued Date -
N/A
app pub date -
Sep 3, 2010
filing date -
Apr 2, 2009
priority date (Note) -
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Abstract
A system for supplying ventilatory support may include a nasal interface configured to communicate with a patient's nose while allowing the patient to breathe ambient air directly without flowing through the nasal interface. A nozzle may be associated with the nasal interface at a distance from a nose. The nozzle may be connectable to the gas delivery circuit and the gas delivery source. The nozzle may be capable of delivering gas into the nasal passage by creating negative pressure area near the nozzle and a positive pressure area near the entrance to the nose. A combination of gas from the gas delivery source and air entrained from the gas exiting the nozzle may provide ventilatory support.
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