Valsalva mask
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Jun 22, 2017
filing date -
Sep 4, 2012
priority date (Note) -
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Abstract
An interface for positive pressure therapy includes a mask assembly and a headgear assembly. The mask assembly comprises a mask seal that is adapted to underlie the nose. The mask seal extends up the lateral sides of the nose. The mask seal has a primary seal below the nose and a secondary seal alongside the nose.
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