Patient interface systems
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United States of America Patent
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Jan 28, 2014
Grant Date -
Dec 9, 2010
app pub date -
Oct 22, 2008
filing date -
Oct 22, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A patient interface system for delivery of a supply of air at positive pressure to the entrance of a patient's airways for treatment of sleep disordered breathing includes an air delivery tube connected to a flexible portion of a plenum; a vent structure having sufficient rigidity to support its own weight under gravity and/or not to block or fold under tube movement or tube drag; and a patient interface structure. The patient interface structure includes a seal forming structure arranged on a top portion of the plenum; and a seal positioning and stabilizing structure connected to a flexible portion of the plenum. The seal-forming structure is substantially decoupled from a tube drag force.
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