Method and apparatus for adjusting respiratory mask sealing force
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United States of America Patent
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Jan 29, 2013
Grant Date -
May 1, 2008
app pub date -
Nov 9, 2005
filing date -
Nov 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A mask assembly includes a mask with an inflatable bladder. The internal pressure of the inflatable bladder can be set to be higher than the delivered therapeutic pressure. The pressure offset may be constant, or it may vary over the range of therapeutic pressures. Thus, the force necessary to maintain a contact seal between the mask and the patient can be reduced, thereby providing a system that is more comfortable to the patient, which increases patient compliance.
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