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    • 4. 发明申请
    • HEMODYNAMIC MORPHOLOGICAL ANALYSIS FOR RHYTHM IDENTIFICATION
    • 用于RHYTHM识别的HEMODYMM MORPHOLOGICAL ANALYSIS
    • US20090264716A1
    • 2009-10-22
    • US12425193
    • 2009-04-16
    • Allan C. ShurosDan Li
    • Allan C. ShurosDan Li
    • A61N1/365A61B5/0205A61B5/00A61N1/39
    • A61N1/36585A61B5/02028A61B5/04525A61B5/0464A61N1/3962
    • This document discusses, among other things, an apparatus comprising an implantable hemodynamic sensor circuit that provides a hemodynamic signal representative of mechanical function of a cardiovascular system of a subject and a controller circuit communicatively coupled to the hemodynamic sensor circuit. The controller circuit includes a detection module configured to detect an onset of tachyarrhythmia, a signal analyzer module configured to determine a measure of morphological variability of the hemodynamic signal during the episode of tachyarrhythmia, and a rhythm discrimination module configured to deem whether the tachyarrhythmia episode is indicative of ventricular tachycardia (VT) according to the measure of morphological variability.
    • 本文件尤其涉及一种包括可植入血液动力学传感器电路的装置,其提供表示受试者的心血管系统的机械功能的血液动力学信号和通信地耦合到血液动力学传感器电路的控制器电路。 所述控制器电路包括检测模块,所述检测模块被配置为检测快速性心律失常的发作,信号分析器模块被配置为确定在快速性心律失常发作期间的血液动力学信号的形态变异性的度量;以及节律辨别模块,其被配置为认为是否发生快速性心律失常发作 根据形态变异性的测量指示室性心动过速(VT)。
    • 6. 发明授权
    • Methods of monitoring hemodynamic status for rhythm discrimination within the heart
    • 监测心脏内节律辨别的血液动力学状态的方法
    • US08725260B2
    • 2014-05-13
    • US12366334
    • 2009-02-05
    • Allan C. ShurosDan LiQuan Ni
    • Allan C. ShurosDan LiQuan Ni
    • A61N1/00
    • A61N1/36585A61N1/36578
    • Systems and methods of performing rhythm discrimination within a patient's body using sensed hemodynamic signals are disclosed. The method can include the steps of receiving an electrical activity signal from an electrode located within or near the heart, detecting an event of the heart based on the received electrical activity signal, sensing one or more mechanical measurements using a sensor located within the body, analyzing a mechanical activity signal received from the sensor, and confirming the type of event based on the mechanical and electrical activity signals. The sensor can comprise a single pressure sensor configured to sense both atrial and ventricular activity within the heart.
    • 公开了使用感测到的血液动力学信号在患者体内进行节律辨别的系统和方法。 该方法可以包括以下步骤:从位于心脏内部或附近的电极接收电活动信号,基于接收到的电活动信号检测心脏的事件,使用位于体内的传感器感测一个或多个机械测量, 分析从传感器接收的机械活动信号,以及基于机械和电活动信号来确认事件的类型。 传感器可以包括构造成感测心脏内的心房和心室活动的单个压力传感器。