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    • 3. 发明授权
    • Apparatus and methods for fibrillation and defibrillation
    • 用于纤维颤动和除颤的装置和方法
    • US08036742B2
    • 2011-10-11
    • US10357267
    • 2003-01-31
    • Joseph L. SullivanFred W. ChapmanRobert G. Walker
    • Joseph L. SullivanFred W. ChapmanRobert G. Walker
    • A61N1/39
    • A61N1/39A61N1/3925
    • The invention is directed to techniques for attempting to restore a patient to a normal sinus rhythm. In a patient experiencing asystole or pulseless electrical activity, defibrillation therapy may be ineffective. The invention is directed to techniques for delivering one or more shocks to induce ventricular fibrillation in the patient, followed by one or more defibrillation shocks to restore normal sinus rhythm. A defibrillator may deliver the fibrillation and defibrillation therapies. The invention may also include techniques for estimating the probability that the patient will respond favorably to the defibrillation therapy, and delivering defibrillation therapy when the therapy has a good probability of success.
    • 本发明涉及用于尝试将患者恢复到正常窦性心律的技术。 在经历停搏或无脉搏电活动的患者中,除颤疗法可能无效。 本发明涉及用于递送一次或多次冲击以诱发患者心室颤动的技术,随后进行一次或多次除颤休克以恢复正常窦性心律。 除颤器可以递送原纤维和除颤疗法。 本发明还可以包括用于估计患者对除颤治疗有利的响应的可能性的技术,以及当治疗具有良好的成功概率时递送除颤疗法。
    • 10. 发明授权
    • Defibrillator method and apparatus
    • 除颤器方法和装置
    • US5999852A
    • 1999-12-07
    • US62192
    • 1998-04-17
    • Tarek Z. ElabbadyFred W. ChapmanJoseph L. SullivanRichard C. NovaLawrence A. Borschowa
    • Tarek Z. ElabbadyFred W. ChapmanJoseph L. SullivanRichard C. NovaLawrence A. Borschowa
    • A61N1/39
    • A61N1/39A61N1/3943
    • A defibrillator method and apparatus wherein a patient's measured transthoracic impedance (TTI) is used to control the amount of energy contained in a defibrillation pulse applied to the patient. Prior to delivering a defibrillation pulse, the patient's TTI is measured by an impedance measuring circuit (11). The patient's TTI may also be measured during delivery of a prior defibrillation pulse. A microprocessor (23) uses the measured patient TTI to control the shape of the defibrillation pulse by controlling: (i) the phase duration of the defibrillation pulse; and (ii) the voltage level to which the defibrillator's capacitor bank (15) is charged. The defibrillation pulse shape is controlled so that the energy conveyed by the defibrillation pulse to the patient is near or exceeds a desired value. The desired value may be set by an operator via an energy selector (25). A switch (13) controls the connection of defibrillator electrodes (27a, 27b) to the impedance measuring circuit (11) and the capacitor bank (15).
    • 一种除颤器方法和装置,其中患者测量的经胸阻抗(TTI)用于控制施加到患者的除颤脉冲中包含的能量的量。 在发送除颤脉冲之前,通过阻抗测量电路(11)测量患者的TTI。 患者的TTI也可以在递送以前的除颤脉冲期间被测量。 微处理器(23)使用测量的患者TTI通过控制以下步骤来控制除颤脉冲的形状:(i)除颤脉冲的相位持续时间; 和(ii)除颤器的电容器组(15)对其充电的电压电平。 控制除颤脉冲形状使得由除颤脉冲输送给患者的能量接近或超过期望值。 期望的值可以由操作者经由能量选择器(25)来设定。 开关(13)控制除颤电极(27a,27b)与阻抗测量电路(11)和电容器组(15)的连接。