Andruschenko et al., 2010 - Google Patents

A novel algorithm for “ac/dc” ratio calculation of pulse signals using energy criteria of the pulse

Andruschenko et al., 2010

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Document ID
10424354991675550898
Author
Andruschenko S
Kraitl J
Timm U
Lewis E
Ewald H
Publication year
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Peak detection of the Photoplethysmographic (PPG) waves is a key element in the feature extraction of the pulse waveform in time domain. Peaks and valleys detection of the PPG- signals has been used for estimation of pulse oximetry arterial oxygen saturation () …
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    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infra-red radiation
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