Vital signs monitor using an optical ear-based module
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United States of America Patent
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Feb 9, 2010
Grant Date -
Jun 8, 2006
app pub date -
Dec 7, 2004
filing date -
Dec 7, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a system for measuring blood pressure from a patient that includes: 1) an optical module configured to be worn on the patient's ear and comprising at least one optical source and a photodetector; 2) a calibration source configured to make a blood pressure measurement; and, 3) a processing module configured to: i) receive a first signal from the optical module; ii) receive a second signal from the calibration source; iii) process the first and second signals to generate a calibration table; and iv) receive a third signal from the optical module and compare it to the calibration table to determine the patient's blood pressure.
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