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    • 6. 发明授权
    • Defibrillation shock strength determination technology
    • 除颤冲击强度测定技术
    • US07257441B2
    • 2007-08-14
    • US10706793
    • 2003-11-12
    • Charles D. SwerdlowKalyanam Shivkumar
    • Charles D. SwerdlowKalyanam Shivkumar
    • A61N1/39
    • A61N1/3943A61N1/38A61N1/3987
    • A method for determining a cardiac shock strength, for example the programmed first-therapeutic shock strength of an implantable cardioverter defibrillator (ICD), including the steps of sensing a change in a T-wave of an electrogram with respect to time such as the maximum of the first derivative of a T-wave of an electrogram; delivering a test shock by (i) delivering a test shock at a test-shock strength and at a test-shock time relating to the maximum of the first derivative of the T-wave with respect to time; and (ii) sensing for cardiac fibrillation. If fibrillation is not sensed, test-shock delivery is repeated at the same test-shock strength and at specific, different test-shock times relating to the maximum of the first derivative of the T-wave. If fibrillation is still not sensed, the shock strength is decreased and test shocks are repeated at the same specific test shock times relative to the maximum of the first derivative of the T-wave. And if fibrillation is sensed, the programmed therapeutic shock strength of the ICD is set as a function of the incrementally greater test-shock strength. Also disclosed is an apparatus for selecting a programmed first-shock strength of an ICD, including a shock subsystem for delivering therapeutic shocks and test shocks to the heart, and a ULV subsystem connected to the shock subsystem, to provide test shocks of test-shock strengths and at test-shock times relating to the maximum of the first derivative of the T-wave with respect to time, and to determine the therapeutic shock strength of the ICD as a function of the test-shock strengths.
    • 一种用于确定心脏休克强度的方法,例如可植入式心脏复律除颤器(ICD)的编程的第一治疗性休克强度,包括以下步骤:相对于诸如最大值的时间感测电描记图的T波的变化 的电摄影的T波的一阶导数; 通过(i)以测试冲击强度和与T波一阶导数的最大值相对于时间的测试冲击时间提供测试冲击,从而发生测试冲击; 和(ii)感觉心脏颤动。 如果未检测到原纤维颤动,则以相同的测试冲击强度和与T波一阶导数的最大值相关的特定的不同测试冲击时间重复测试冲击输送。 如果仍然没有检测到原纤维化,则相对于T波的一阶导数的最大值,冲击强度降低,并且在相同的特定测试冲击时间重复测试冲击。 并且如果感觉到颤动,ICD的编程治疗性休克强度被设定为逐渐增大的测试冲击强度的函数。 还公开了一种用于选择ICD的编程的第一冲击强度的装置,包括用于递送治疗性冲击并测试心脏震动的冲击子系统,以及连接到冲击子系统的ULV子系统,以提供测试冲击的测试冲击 强度和与T波的一阶导数相对于时间的最大值的测试冲击时间,并且确定作为测试冲击强度的函数的ICD的治疗性冲击强度。
    • 8. 发明授权
    • Electroconvulsive therapy apparatus and method for automatic monitoring
of patient seizures
    • 电惊厥治疗仪和自动监测患者癫痫发作的方法
    • US4873981A
    • 1989-10-17
    • US258209
    • 1988-10-14
    • Richard AbramsConrad M. Swartz
    • Richard AbramsConrad M. Swartz
    • A61N1/38
    • A61N1/38
    • A method and system in electroconvulsive therapy (ECT) to automatically monitor and display the occurrence and the duration of the seizure activity generated during the administration of the electrically induced therapeutic seizures. The ECT device includes a special-purpose electroencephalograph (EEG) system to detect a specific EEG parameter (e.g. integrated voltage) of the electrically induced EEG seizure. The detected integrated voltage is converted to digital data and compared to a threshold reference value previously obtained from the same patient. The operator is informed by an electronic alphanumeric elapsed time display or indications on a moving strip chart paper record, or oscilloscope CRT screen, when the parameter has crossed the predetermined threshold reference value and how long since the termination of the ECT the parameter has taken to reach the reference value.
    • 电惊厥治疗(ECT)中的方法和系统,用于自动监测和显示在施用电诱导的治疗性癫痫发作期间产生的癫痫发作的发生和持续时间。 ECT装置包括专用脑电图(EEG)系统,用于检测电诱发脑电图发作的特定EEG参数(例如积分电压)。 将检测到的积分电压转换为数字数据,并与先前从同一患者获得的阈值参考值进行比较。 当参数已经超过预定的阈值参考值以及从ECT的终止开始多长时间后,操作员将通过电子字母数字经过时间显示或移动条形图纸记录或示波器CRT屏幕上的指示来通知参数。 达到参考值。