System and method for providing a breathing gas
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United States of America Patent
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Nov 29, 2011
Grant Date -
Mar 18, 2010
app pub date -
Nov 23, 2009
filing date -
Jun 23, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for providing a breathing gas are provided. In one embodiment, the method includes sensing a sensed parameter associated with delivery of the breathing gas, changing a control parameter associated with a flow/pressure control element in response to a difference between the sensed parameter and a first predetermined sensed parameter value during a first portion of a breathing cycle, determining a transition from the first portion to a second portion of the breathing cycle based at least in part on the changing control parameter, changing the control parameter to cause a first change in the sensed parameter during the second portion of the breathing cycle based at least in part on the determined transition, and changing the control parameter to cause a second change in the sensed parameter during a third portion of the breathing cycle based at least in part on the first predetermined sensed parameter value.
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