Patient interface systems
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United States of America Patent
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Apr 21, 2015
Issued Date -
N/A
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2010
priority date (Note) -
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Abstract
A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face.
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