Method for determining cardiovascular parameters and device...

A - Human Necessities – 61 – B

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A61B 5/02 (2006.01)

Patent

CA 2618293

The invention relates to a method, a device and a computer program product which is used to determine at least one cardiovascular parameter Pm, for example, the pulse, average arterial pressure (MAP), systolic pressure, diastolic pressure, arterial wave form, speed of the blood flow, systole duration, diastole duration and similar, by means of a measuring device which detects, in a non-invasive manner and in a time interval, several signals F1 m of an artery which is cross-flown by blood, as a reaction of an application of force in the artery. As a result, distances between the signals F1 m and the reference signals are defined from the detected signals F1 m with the aid of reference signals, which are used to determine the at least one parameter Pm.

L'invention concerne un procédé, un dispositif et un progiciel servant à déterminer au moins un paramètre cardio-vasculaire Pm, comme le pouls, la pression artérielle moyenne (PAM), la pression systolique, la pression diastolique, la forme de l'onde artérielle, la vitesse du flux sanguin, la durée de la systole, la durée de la diastole et autres, au moyen d'un instrument de mesure qui détecte de manière non invasive pendant un intervalle de temps plusieurs signaux F1 m d'une artère parcourue par le sang, en réaction à une application de force dans l'artère. A cet effet, on définit, à partir des signaux détectés F1 m et au moyen de signaux de référence, des écarts entre les signaux F1 m et les signaux de référence qui sont utilisés pour déterminer le paramètre Pm.

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