Device, system and method for determining the concentration of a substance in the blood of a subject

G. de Haan (Uitvinder), M. Rocque (Uitvinder)

Onderzoeksoutput: OctrooiOctrooi-publicatie

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Samenvatting

There is a device, system and method for determining the concentration of a substance, such as the oxygen saturation, in the blood of a subject, which reduce or remove the influence of specular reflection. The proposed device comprises an input unit (11) for receiving detection signals reflected back from a skin area of the subject in response to irradiation of the skin area by a radiation signal, a signal extraction unit (12) for extracting at least two photo-plethysmography, PPG, signals at two different wavelengths from said detection signals, and a processing unit (13) for computing the concentration of a desired substance in the blood of the subject based on said PPG signals, wherein said computation is adapted to the skin tone of the subject.

Originele taal-2Engels
OctrooinummerWO2016083228
IPCA61B 5/ 1455 A I
Prioriteitsdatum24/11/14
StatusGepubliceerd - 2 jun 2016

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