BODY-WORN SENSOR FEATURING A LOW-POWER PROCESSOR AND MULTI-SENSOR ARRAY FOR MEASURING BLOOD PRESSURE
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Jan 9, 2012
filing date -
Jun 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A system is described that continuously measures a patient's blood pressure over a length of time. The system features a sensor assembly featuring a flexible cable configured to wrap around a portion of a patient's arm. The flexible cable features a back surface that includes at least two electrodes that are positioned to contact the patient's skin to generate electrical signals. It additionally features an optical sensor that includes at least one light source and at least one photodetector. These components form an optical sensor that is configured to generate an optical signal by detecting optical radiation emitted by the at least one light source and reflected from a blood vessel underneath the patient's skin.
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