PULSE DEPTH INDEX EXTRACTION DEVICE AND METHOD USING PRESSURE AT A CONSTANT VELOCITY
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United States of America Patent
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Mar 26, 2015
app pub date -
May 8, 2013
filing date -
May 8, 2012
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Abstract
The present invention relates to a pulse depth index extraction device and method using pressure at a constant velocity. A device comprises: a pressure applying unit for applying a pressure at a constant velocity to a confirmed pulse location in a direction perpendicular to the skin; a pressure pulse wave signal measuring unit for measuring a pressure pulse wave signal generated based on the applied pressure; and a measured signal analysis unit for deriving the pulse depth index (PDI) by using the measured pressure pulse wave signal.
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