Method and apparatus for monitoring respiration
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United States of America Patent
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Jun 5, 2012
Grant Date -
Sep 4, 2008
app pub date -
Feb 1, 2008
filing date -
Feb 2, 2007
priority date (Note) -
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Abstract
A device for monitoring respiration comprises a duct, a flow restricting element in the duct, and a pressure sensor arranged in the duct. The pressure sensor measures a pressure drop across the flow restricting element as a pressure difference between a pressure at a location in the duct on a first side of the flow restricting element and a substantially constant pressure on a second side of the flow restricting element opposite the first side.
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