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    Method and apparatus for event processing in biological application
    5.
    发明授权
    Method and apparatus for event processing in biological application 失效
    生物应用中事件处理的方法和装置

    公开(公告)号：US5788645A

    公开(公告)日：1998-08-04

    申请号：US657389

    申请日：1996-06-03

    申请人： David K. Swanson ,  Graydon Beatty ,  Douglas Lang

    发明人： David K. Swanson ,  Graydon Beatty ,  Douglas Lang

    IPC分类号： A61N1/36 ,  A61N1/362 ,  A61N1/365 ,  A61N1/39 ,  G06F159/00

    CPC分类号： A61N1/36507 ,  A61N1/3622

    摘要： A method and apparatus for processing biological signals on an event basis. An event low pass filter (LPF) is provided which passes variations in event features below an event cut-off value, which is analogous to the time-based cutoff frequency. An event high pass filter (HPF) is provided which passes variations in event features that are above an event-rate cutoff. An event variability detector is provided which determines the variation of a discrete variable from values at prior events. An event discriminator is provided for filtering out contributions of unrelated events that are superimposed on a discrete periodic measurement of interest. In all of these techniques, sampling of a biological signal is performed in coincidence with a biological event which does not occur at a constant frequency. In accordance with another aspect, an algorithm is provided using event-based techniques for discriminating abnormal rhythms from normal sinus rhythm on the basis of atrial rate, ventricular rate, and A-V intervals. An interval conditioning stage is provided for processing intervals of atrial beats, ventricular beats, and atrial to ventricular beats and classifying intervals for each according to an adaptive triple-bin technique. The three bins are defined as "current", "fast" and "slow" and each comprises memory space for storing the count of intervals stored into the particular bin and the average value of those intervals.

    摘要翻译： 一种用于在事件基础上处理生物信号的方法和装置。 提供事件低通滤波器（LPF），其将事件特征的变化传递到事件截止值以下，其类似于基于时间的截止频率。 提供了一种事件高通滤波器（HPF），其传递高于事件率截止值的事件特征的变化。 提供了事件变异性检测器，其确定离散变量与先前事件的值的变化。 提供事件鉴别器用于滤除叠加在感兴趣的离散周期测量上的不相关事件的贡献。 在所有这些技术中，生物信号的采样与不以恒定频率发生的生物事件一致地进行。 根据另一方面，提供一种使用基于事件的技术的算法，其基于心房率，心室率和A-V间隔来区分来自正常窦性心律的异常节律。 提供间隔调节阶段，用于根据自适应三仓技术处理心房搏动，心室搏动和心房至心室搏动的间隔和分类间隔。 三个箱被定义为“当前”，“快速”和“慢”，并且每个包含用于存储存储到特定仓中的间隔的计数的存储空间和那些间隔的平均值。

    Chamber location method
    6.
    发明申请
    Chamber location method 有权
    室位置法

    公开(公告)号：US20100312086A9

    公开(公告)日：2010-12-09

    申请号：US10955894

    申请日：2004-09-30

    申请人： Graydon Beatty ,  Jonathan Kagan ,  Jeffrey Budd

    发明人： Graydon Beatty ,  Jonathan Kagan ,  Jeffrey Budd

    IPC分类号： A61B5/04

    CPC分类号： A61N1/3625 ,  A61B5/0422 ,  A61B5/1076 ,  A61B2562/0209 ,  A61B2562/046 ,  A61N1/3702

    摘要： A system for mapping electrical activity of a patient's heart. The system includes a set of electrodes spaced from the heart wall and a set of electrodes in contact with the heart wall. Voltage measurements from the electrodes are used to generate three-dimensional and two-dimensional maps of the electrical activity of the heart.

    摘要翻译： 用于映射患者心脏的电活动的系统。 该系统包括与心壁隔开的一组电极和一组与心壁接触的电极。 来自电极的电压测量用于产生心脏的电活动的三维和二维图。

    Electrophysiology Therapy Catheter
    8.
    发明申请
    Electrophysiology Therapy Catheter 审中-公开
    电生理治疗导管

    公开(公告)号：US20070244479A1

    公开(公告)日：2007-10-18

    申请号：US11734191

    申请日：2007-04-11

    申请人： Graydon Beatty ,  Jeffrey Budd ,  John Hauck

    发明人： Graydon Beatty ,  Jeffrey Budd ,  John Hauck

    IPC分类号： A61B18/18

    CPC分类号： A61B5/0422 ,  A61B5/053 ,  A61B5/0538 ,  A61B5/1076

    摘要： A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

    摘要翻译： 映射导管位于心室中，活性电极位置被激活以在腔室内施加电场。 血液体积和壁运动调节电场，该电场由优选导管上的被动电极位点检测。 从被动电极获取电生理学测量以及几何测量，并用于显示内在心脏活动的图。