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

G. de Haan; M. Rocque

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

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

Electronic Systems

Research output: Patent › Patent publication

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Abstract

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.

Original language	English
Patent number	WO2016083228
IPC	A61B 5/ 1455 A I
Priority date	24/11/14
Publication status	Published - 2 Jun 2016

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WO2016083228A1Final published version, 1.13 MB

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

abstract = "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.",

author = "{de Haan}, G. and M. Rocque",

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N2 - 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.

AB - 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.

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