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1. WO2014120831 - ENERGY EXPENDITURE COMPUTATION BASED ON ACCELEROMETER AND HEART RATE MONITOR

Publication Number WO/2014/120831
Publication Date 07.08.2014
International Application No. PCT/US2014/013679
International Filing Date 29.01.2014
IPC
A61B 5/11 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
103Measuring devices for testing the shape, pattern, 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 or mobility of a limb
A61B 5/22 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
22Ergometry; Measuring muscular strength or the force of a muscular blow
A61B 5/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
CPC
A61B 5/02438
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
024Detecting, measuring or recording pulse rate or heart rate
02438with portable devices, e.g. worn by the patient
A61B 5/0245
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
024Detecting, measuring or recording pulse rate or heart rate
0245by using sensing means generating electric signals, ; i.e. ECG signals
A61B 5/1118
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
1118Determining activity level
A61B 5/222
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
22Ergometry; Measuring muscular strength or the force of a muscular blow
221Ergometry, e.g. by using bicycle type apparatus
222combined with detection or measurement of physiological parameters, e.g. heart rate
A61B 5/4866
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
48Other medical applications
4866Evaluating metabolism
A61B 5/681
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
6801specially adapted to be attached to or worn on the body surface
6802Sensor mounted on worn items
681Wristwatch-type devices
Applicants
  • SALUTRON, INC. [US]/[US]
Inventors
  • LEE, Yong Jin
  • HUI, Eddy
  • CHEN, Kaiping
Agents
  • MAGEN, BURT
Priority Data
13/755,76031.01.2013US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ENERGY EXPENDITURE COMPUTATION BASED ON ACCELEROMETER AND HEART RATE MONITOR
(FR) CALCUL DE LA DÉPENSE ÉNERGÉTIQUE UTILISANT UN ACCÉLÉROMÈTRE ET UN MONITEUR DE FRÉQUENCE CARDIAQUE
Abstract
(EN) An activity monitor such as a wrist-worn device has an accelerometer which continuously detects motion of the user. The activity monitor also has an on-demand heart rate monitor which is activated by the user touching it from time to time. A calorie expenditure based on the motion of the user can be modified based on a heart rate measurement. Further, a determination can be made as to whether the user has made repetitive motions for a period of time. If the repetitive motions are detected, a calorie expenditure based on the heart rate is determined and compared to the calorie expenditure based on the user motion, and the higher value prevails. A situation is avoided in which the activity monitor underestimates the calories expended, such as when the user is exercising strenuously but the accelerometer indicates relatively little motion, e.g., during strength training.
(FR) L'invention concerne un moniteur d'activité tel qu'un dispositif se portant au poignet, qui comporte un accéléromètre détectant en continu les mouvements de l'utilisateur. Le moniteur d'activité comporte également un moniteur de fréquence cardiaque sur demande, que l'utilisateur active de temps en temps par un contact tactile. Une valeur de dépense calorique, basée sur les mouvements de l'utilisateur, peut être modifiée sur la base d'une mesure de la fréquence cardiaque. De plus, l'invention permet de déterminer si l'utilisateur a effectué des mouvements répétitifs pendant une période temporelle. Si des mouvements répétitifs sont détectés, une valeur de dépense calorique basée sur la fréquence cardiaque est déterminée et comparée à la valeur de dépense calorique basée sur les mouvements de l'utilisateur, et la valeur la plus élevée prévaut. L'invention permet d'éviter une situation dans laquelle le moniteur d'activité sous-estime les calories dépensées, telle que lorsque l'utilisateur effectue des exercices ardus mais que l'accéléromètre indique des mouvements relativement faibles, p. ex. pendant un entraînement musculaire.
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