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    • 1. 发明授权
    • Electrotherapy circuit for producing therapeutic discharge waveform
based on high-current sensing pulse
    • 基于大电流感应脉冲产生治疗放电波形的电疗电路
    • US5800462A
    • 1998-09-01
    • US769045
    • 1996-12-18
    • Michael L. LopinShervin Ayati
    • Michael L. LopinShervin Ayati
    • A61N1/39A61N1/37
    • A61N1/3937A61N1/3906A61N1/3912
    • An electrotherapy circuit administers to a patient a current waveform. The electrotherapy circuit includes a charge storage device, at least two discharge electrodes connected by electrical circuitry to opposite poles of the charge storage device, a sensor that senses a patient-dependent electrical parameter (such as a patient impedance sensor), and a control circuit. The control circuit is connected to the sensor and the charge storage device and controls discharge of the charge storage device through the electrodes. The discharge of the charge storage device includes a current waveform having a sensing pulse portion, with insufficient energy for performing therapy, during which the sensor senses a patient-dependent electrical parameter (such as patient impedance), and a therapeutic discharge portion, with sufficient energy for performing therapy, having an initial discharge current controlled by the control circuit based on the patient-dependent electrical parameter (such as patient impedance) as sensed by the sensor. The sensing pulse portion has a discharge current that is at least about one-third of the initial discharge current of the therapeutic discharge portion.
    • 电疗电路向患者施加电流波形。 电疗电路包括电荷存储装置,通过电路连接到电荷存储装置的相对极的至少两个放电电极,感测依赖于患者的电参数(例如患者阻抗传感器)的传感器和控制电路 。 控制电路连接到传感器和电荷存储装置,并通过电极控制电荷存储装置的放电。 电荷存储装置的放电包括具有感测脉冲部分的电流波形,其中用于进行治疗的能量不足,在此期间传感器感测依赖于患者的电参数(例如患者阻抗)和治疗性放电部分,具有足够的 用于执行治疗的能量,具有由控制电路根据由传感器检测到的依赖于患者的电参数(例如患者阻抗)控制的初始放电电流。 感测脉冲部分具有至少约治疗放电部分的初始放电电流的三分之一的放电电流。
    • 3. 发明授权
    • Electrotherapy circuit and method for producing therapeutic discharge
waveform immediately following sensing pulse
    • 电疗法及感应脉冲后立即产生治疗放电波形的方法
    • US5733310A
    • 1998-03-31
    • US769776
    • 1996-12-18
    • Michael L. LopinShervin Ayati
    • Michael L. LopinShervin Ayati
    • A61N1/39
    • A61N1/3937A61N1/3906A61N1/3912
    • An electrotherapy circuit administers to a patient a current waveform. The electrotherapy circuit includes a charge storage device, at least two discharge electrodes connected by electrical circuitry to opposite poles of the charge storage device, a sensor that senses a patient-dependent electrical parameter (such as a patient impedance sensor), and a control circuit. The control circuit is connected to the sensor and the charge storage device and controls discharge of the charge storage device through the electrodes. The discharge of the charge storage device includes a current waveform having a sensing pulse portion, with insufficient energy for performing therapy, during which the sensor senses a patient-dependent electrical parameter (such as patient impedance), and a therapeutic discharge portion, with sufficient energy for performing therapy, having an initial discharge current controlled by the control circuit based on the patient-dependent electrical parameter (such as patient impedance) as sensed by the sensor during the sensing pulse portion. The discharge of the charge storage device occurs without the necessity of recharging the charge storage device between the sensing pulse portion and the therapeutic discharge portion of the current waveform.
    • 电疗电路向患者施加电流波形。 电疗电路包括电荷存储装置,通过电路连接到电荷存储装置的相对极的至少两个放电电极,感测依赖于患者的电参数(例如患者阻抗传感器)的传感器和控制电路 。 控制电路连接到传感器和电荷存储装置,并通过电极控制电荷存储装置的放电。 电荷存储装置的放电包括具有感测脉冲部分的电流波形,其中用于进行治疗的能量不足,在此期间传感器感测依赖于患者的电参数(例如患者阻抗)和治疗性放电部分,具有足够的 用于执行治疗的能量,具有由控制电路控制的初始放电电流,其基于在感测脉冲部分期间由传感器感测到的依赖于患者的电参数(例如患者阻抗)。 发生电荷存储装置的放电,而不需要在电流波形的感测脉冲部分和治疗放电部分之间对电荷存储装置再充电。
    • 4. 发明授权
    • Method and apparatus for producing electrotherapy current waveform with
ripple
    • 用于产生具有波纹的电疗电流波形的方法和装置
    • US5904706A
    • 1999-05-18
    • US910757
    • 1997-08-13
    • Shervin AyatiMichael L. Lopin
    • Shervin AyatiMichael L. Lopin
    • A61N1/39
    • A61N1/39A61N1/3906A61N1/3912
    • The invention provides a method and circuit for forming an electrotherapy current waveform. A charge storage device located externally of a patient's body is charged, and is discharged through the patient's body through at least two discharge electrodes connected by electrical circuitry to opposite poles of the charge storage device. A continuous discharge of the charge storage device through the electrodes is controlled so as to produce at least one phase of a current waveform that includes a ripple. The ripple has a height less than one-third of the height of the peak current of the phase, and the difference between the peak current of the phase and the lowest current of the phase is less than one third of the peak current of the phase. The current waveform has a sensing pulse portion that is integral with the therapeutic discharge portion of the current waveform.
    • 本发明提供了一种形成电疗电流波形的方法和电路。 位于患者身体外部的电荷存储装置被充电,并且通过由电路连接到电荷存储装置的相对极的至少两个放电电极通过患者身体排出。 控制通过电极的电荷存储装置的连续放电,以便产生包括纹波的电流波形的至少一个相位。 纹波的高度小于相位峰值电流高度的三分之一,相位峰值电流与相位最小电流之间的差值小于相位峰值电流的三分之一 。 电流波形具有与电流波形的治疗放电部分成一体的感测脉冲部分。
    • 6. 发明授权
    • Electrotherapy circuit having controlled peak current
    • 电疗电路具有受控的峰值电流
    • US5800463A
    • 1998-09-01
    • US769777
    • 1996-12-18
    • Michael L. LopinShervin Ayati
    • Michael L. LopinShervin Ayati
    • A61N1/39A61N1/36
    • A61N1/3937A61N1/3906A61N1/3912
    • An electrotherapy circuit administers to a patient a current waveform. The electrotherapy circuit includes a charge storage device, at least two discharge electrodes connected by electrical circuitry to opposite poles of the charge storage device, a sensor that senses a patient-dependent electrical parameter (such as a patient impedance sensor), and a control circuit. The control circuit is connected to the sensor and the charge storage device and controls discharge of the charge storage device through the electrodes, based on the patient-dependent electrical parameter (such as the patient impedance) as sensed by the sensor. The discharge is controlled in a manner so as to reduce the dependence of peak discharge current on the electrical parameter (such as patient impedance) for a given amount of charge stored by the charge storage device.
    • 电疗电路向患者施加电流波形。 电疗电路包括电荷存储装置,通过电路连接到电荷存储装置的相对极的至少两个放电电极,感测依赖于患者的电参数(例如患者阻抗传感器)的传感器和控制电路 。 控制电路连接到传感器和电荷存储装置,并且基于由传感器感测到的依赖于患者的电参数(例如患者阻抗)来控制通过电极的电荷存储装置的放电。 控制放电是为了减少由电荷存储装置存储的给定量的电荷的峰值放电电流对电参数(例如患者阻抗)的依赖性。