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    • 7. 发明申请
    • METHOD AND SYSTEM FOR DETERMINING A PHYSIOLOGICAL CONDITION
    • 用于确定生理条件的方法和系统
    • WO2009136306A1
    • 2009-11-12
    • PCT/IB2009/051688
    • 2009-04-24
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.CROMPVOETS, Floris, M., H.OUWERKERK, MartinHESSEL, Henk, A.KRANS, MartijnWESTERINK, Joanne, H., D., M.
    • CROMPVOETS, Floris, M., H.OUWERKERK, MartinHESSEL, Henk, A.KRANS, MartijnWESTERINK, Joanne, H., D., M.
    • A61B5/00A61B5/024A61B5/16
    • A61B5/02438A61B5/02405A61B5/0456A61B5/16A61B5/486
    • The present invention relates to a method for determining a physiological condition of a person, comprising sampling a plurality of heart beats of the person, extracting a series of cardiac R-R intervals from the heart beat samples, and providing a two- dimensional representation of subsequent R-R intervals, wherein two subsequent R-R interval forms an entry in the two-dimensional representation, wherein the method further comprises the steps of determining a centroid, an average radius and an average rotation frequency for the plurality of entries in the two-dimensional representation, determining a plurality of distances between the radius and each of the entries in the two-dimensional representation, and determining the physiological condition of the person using the radius in combination with the plurality of distances. An advantage with the present invention following from this solution is that the time it take for determining the coherent state of the person is minimized at the same time as it is possible to quickly detect a change in state as each of the entries are directly related to the radius of the ellipse. The present invention also relates to a corresponding system making use of such a determination method.
    • 本发明涉及一种用于确定人的生理状况的方法,包括对人的多个心跳进行采样,从心跳样本中提取一系列心脏RR间隔,以及提供后续RR的二维表示 间隔,其中两个后续RR间隔形成二维表示中的条目,其中该方法还包括以下步骤:确定二维表示中的多个条目的质心,平均半径和平均旋转频率,确定 所述半径与所述二维表示中的每个条目之间的多个距离,以及使用与所述多个距离相结合的所述半径的人的生理状态来确定。 本解决方案的本发明的优点在于,确定人的相干状态所需的时间在同时被最小化,因为可以快速检测状态的变化,因为每个条目都直接与 椭圆的半径。 本发明还涉及使用这种确定方法的相应系统。