Method for using a wireless pressure sensor to monitor pressure inside the human heart
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United States of America Patent
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Mar 22, 2011
Grant Date -
Apr 3, 2008
app pub date -
Jul 3, 2007
filing date -
Jul 5, 2006
priority date (Note) -
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Abstract
A method for measuring pressure within a heart includes the steps of: (1) providing a passive wireless pressure sensor having a characteristic impedance and a deflectable surface, the characteristic impedance changing in response to deflection of the deflectable surface; (2) inserting the sensor to a location within the body of a patient at which the sensor can detect pressure within the heart; (3) affixing the sensor relative to the heart; (4) interrogating the sensor with an electromagnetic field; (5) receiving a signal from the sensor corresponding to a sensed pressure; and (6) leaving the sensor in situ so that future pressure measurements can be made.
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