Method and sensor for wireless measurement of physiological variables
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United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Sep 12, 2001
filing date -
Dec 23, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The sensor and guide wire assembly having a sensor element is inserted into the patient's body. Acoustic or electromagnetic waves are them emitted from an external source toward the sensor element. The sensor element receives the incident waves and enters into a resonating state. The characteristics of the resonance correspond to the variable or variables to be measured. A transducer is located externally from the patient's body and receives the scattered wave and transmits a resultant signal to an electronic drive and detection unit for signal analysis.
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