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1. US20180263502 - Method and apparatus for non-contact fast vital sign acquisition based on radar signal

Office
États-Unis d'Amérique
Numéro de la demande 15517214
Date de la demande 08.10.2015
Numéro de publication 20180263502
Date de publication 20.09.2018
Numéro de délivrance 11051702
Date de délivrance 06.07.2021
Type de publication B2
CIB
A61B 5/0205
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
5Mesure servant à établir un diagnostic; Identification des individus
02Mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin; Détermination combinée du pouls, du rythme cardiaque, de la pression sanguine; Evaluation d'un état cardio-vasculaire non prévue ailleurs, p.ex. utilisant la combinaison de techniques prévues dans le présent groupe et des techniques d'électrocardiographie; Sondes cardiaques pour mesurer la pression sanguine
0205Evaluation simultanée de l'état cardio-vasculaire et de l'état d'autres parties du corps, p.ex. de l'état cardiaque et respiratoire
A61B 5/00
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
5Mesure servant à établir un diagnostic; Identification des individus
A61B 5/05
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
5Mesure servant à établir un diagnostic; Identification des individus
05Mesure pour établir un diagnostic au moyen de courants électriques ou de champs magnétiques
A61B 5/113
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
5Mesure servant à établir un diagnostic; Identification des individus
103Dispositifs de mesure pour le contrôle de la forme, du dessin, de la dimension ou du mouvement du corps ou de parties de celui-ci, à des fins de diagnostic
11Mesure du mouvement du corps entier ou de parties de celui-ci, p.ex. tremblement de la tête ou des mains ou mobilité d'un membre
113se produisant au cours de la respiration
A61B 8/02
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
8Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
02Mesure du pouls ou du rythme cardiaque
A61B 8/08
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
8Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
08Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
CPC
A61B 5/05
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
A61B 5/0205
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
0205Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
A61B 5/113
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
103Detecting, measuring or recording devices for testing the shape, pattern, ; colour,; size or movement of the body or parts thereof, for diagnostic purposes
11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
113occurring during breathing
A61B 5/7207
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
72Signal processing specially adapted for physiological signals or for diagnostic purposes
7203for noise prevention, reduction or removal
7207of noise induced by motion artifacts
A61B 5/7214
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
72Signal processing specially adapted for physiological signals or for diagnostic purposes
7203for noise prevention, reduction or removal
7207of noise induced by motion artifacts
7214using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths
A61B 5/7239
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
72Signal processing specially adapted for physiological signals or for diagnostic purposes
7235Details of waveform analysis
7239using differentiation including higher order derivatives
Déposants University of Florida Research Foundation, Inc.
Inventeurs Jenshan Lin
Changyu Wei
Mandataires Thomas|Horstemeyer, LLP
Titre
(EN) Method and apparatus for non-contact fast vital sign acquisition based on radar signal
Abrégé
(EN)

Various examples are provided for non-contact vital sign acquisition. Information can be provided regarding vibrations of a target using a radar signal such as, e.g., non-contact vital sign measurement. Examples include estimation of heart rate, change in heart rate, respiration rate, and/or change in respiration rate, for a human or other animal. Implementations can produce one or both rates of vibration and/or change in one or both rates of vibration for a target other than an animal or human experiencing two vibrations at the same time, such as a motor, a vehicle incorporating a motor, or another physical object. Some implementations can estimate the respiration movement in the radar baseband output signal. The estimated respiration signal can then be subtracted from radar signals in the time domain and, optionally, can be further enhanced using digital signal processing techniques, to produce an estimate of the heartbeat pulses.

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