Method for characterizing the physiological state of a patient from the analysis of the cerebral electrical activity of said patient, and monitoring device applying said method

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United States of America Patent

PATENT NO 10939838
APP PUB NO 20150119745A1
SERIAL NO

14398217

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Abstract

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The invention relates to a method for detecting a physiological state of a patient deviating from a reference physiological state, in which, after having determined, in each of Q frequency bands, R reference matrices PRq,r with qe[1 . . . Q] and rϵ[1 . . . R] which correspond to the reference physiological state, the following steps are repeated in a loop: carrying out measurements, in M time segments, of an electroencephalographic signal; filtering and centering the measurements in Q frequency bands to obtain and determine M×Q scaled matrices of spatial covariance; for each time segment m, calculating a deviation from the reference physiological state, and comparing each of the deviations from the reference physiological state to a predefined threshold. The invention also relates to a monitoring device applying said method.

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Patent Owner(s)

Patent OwnerAddress
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE3 RUE MICHEL ANGE CEDEX 16 PARIS 75794
INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE101 RUE DE TOLBIAC 75624 PARIS CEDEX 13
UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)75005 PARIS
FONDATION ICM-INSTITUT DU CERVEAU ET DE LA MOELLE EPINIEREDIRECTION DES APPLICATIONS DE LA RECHERCHE HOPITAL PITIE-SALPETRIERE 47/83 BOULEVARD DE L'HOPITAL PARIS 75013
ASSISTANTE PUBLIQUE-HOPITAUX DE PARIS3 AVENUE VICTORIA PARIS 75004

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chavez, Mario Choisy le Roi, FR 4 10
Martinerie, Jacques Palaiseau, FR 5 367
Pouget, Pierre Paris, FR 4 11
Raux, Mathieu Paris, FR 4 22
Similowski, Thomas Issy-les-Moulineaux, FR 9 19

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