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    • 5. 发明授权
    • System and method for three-dimensional mapping of electrophysiology information
    • 电生理信息三维映射的系统和方法
    • US08038625B2
    • 2011-10-18
    • US11227006
    • 2005-09-15
    • Valtino X. AfonsoKedar Ravindra BelheJeffrey A. Schweitzer
    • Valtino X. AfonsoKedar Ravindra BelheJeffrey A. Schweitzer
    • A61B5/02A61B5/05
    • A61B5/0422A61B5/04012A61B5/044A61B5/0452
    • An electrophysiology apparatus is used to measure electrical activity occurring in a heart of a patient and to visualize the electrical activity and/or information related to the electrical activity. A three-dimensional map of the electrical activity and/or the information related to the electrical activity is created. Exemplary maps include a time difference between action potentials at a roving electrode and a reference electrode, the peak-to-peak timing of action potentials at the roving electrode, the peak negative voltage of action potentials at the roving electrode, complex fractionated electrogram information, a dominant frequency of an electrogram signal, a maximum peak amplitude at the dominant frequency, a ratio of energy in one band of the frequency-domain to the energy in a second band of the frequency-domain, a low-frequency or high-frequency passband of interest, a frequency with the maximum energy in a passband, a number of peaks within a passband, an energy, power, and/or area in each peak, a ratio of energy and/or area in each peak to that in another passband, and a width of each peak in a spectrum. Colors, shades of colors, and/or grayscales are assigned to values of the parameters and colors corresponding to the parameters for the electrograms sampled by the electrodes are updated on the three-dimensional model.
    • 电生理学装置用于测量在患者心脏中发生的电活动并且可视化与电活动有关的电活动和/或信息。 创建电活动的三维图和/或与电活动相关的信息。 示例性地图包括粗纱电极上的动作电位和参考电极之间的时间差,粗纱动作电位的峰 - 峰定时,粗纱动作电位的峰值负电压,复分数电描记图信息, 电描记信号的主要频率,主频率的最大峰值幅度,频域的一个频带中的能量与频域的第二频带中的能量的比率,低频或高频 通带的通带,通带中的最大能量的频率,通带内的峰值数,每个峰中的能量,功率和/或面积,每个峰中的能量和/或面积与另一峰中的峰的比率 通带和频谱中每个峰的宽度。 将颜色,色调和/或灰度等级分配给参数的值,并且对应于由电极采集的电描记图的参数对应的颜色在三维模型上更新。