Methods, devices and systems for photoplethysmography at the nasal columella
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United States of America Patent
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Aug 8, 2017
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app pub date -
Mar 10, 2014
filing date -
Mar 15, 2013
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Abstract
Provided according to embodiments of the invention are photoplethysmography (PPG) sensors, systems and methods of using the same. In some embodiments of the invention, methods of obtaining a photoplethysmography (PPG) signals include securing a PPG sensor onto a nasal columella of an individual; and obtaining a PPG signal from the PPG sensor.
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