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    • 2. 发明授权
    • Augmentation of electrical conduction and contractility by biphasic cardiac pacing
    • 通过双相心脏起搏增强电传导和收缩
    • US06332096B1
    • 2001-12-18
    • US09504710
    • 2000-02-16
    • Morton M. Mower
    • Morton M. Mower
    • A61N1362
    • A61N1/3627A61N1/368
    • Augmentation of electrical conduction and contractility by biphasic cardiac pacing. A first stimulation phase is administered to the muscle tissue. This first stimulation phase has a predefined polarity, amplitude and duration. A second stimulation phase is then administered to the muscle tissue. This second phase also has a predefined polarity, amplitude and duration. The two phases are applied sequentially. Contrary to current thought, anodal stimulation is first applied and followed by cathodal stimulation. In this fashion, pulse conduction through the cardiac muscle is improved together with the increase in contractility. The technique can also be applied to large muscle tissue stimulation other than cardiac muscle.
    • 通过双相心脏起搏增强电传导和收缩。 向肌肉组织施用第一刺激阶段。 该第一刺激阶段具有预定义的极性,幅度和持续时间。 然后将第二刺激期施用于肌肉组织。 该第二阶段也具有预定义的极性,幅度和持续时间。 顺序应用两个阶段。 与目前的想法相反,首先应用阳极刺激,然后进行阴极刺激。 以这种方式,通过心肌的脉冲传导随着收缩性的增加而提高。 该技术也可应用于心肌以外的大肌肉组织刺激。
    • 4. 发明授权
    • Implantable cardiac function monitor and stimulator for diagnosis and
therapy delivery
    • 可植入的心脏功能监测和刺激器用于诊断和治疗
    • US5417717A
    • 1995-05-23
    • US243069
    • 1994-05-16
    • Rodney W. SaloBruce A. TockmanMorton M. Mower
    • Rodney W. SaloBruce A. TockmanMorton M. Mower
    • A61M5/172A61N1/36A61N1/362A61N1/365
    • A61N1/36042A61N1/36585A61M5/1723A61N1/3627
    • An implantable monitor/stimulator is disclosed that monitors and assesses indices of cardiac function, including the strength and timing of cardiac contraction, then automatically executes a physician-selected mode of therapy. It accomplishes this by assessing impedance, electrocardiogram, and/or pressure measurements, then calculating various cardiac parameters. The results of these calculations may be stored within the device, telemetered to an external monitor or display and/or may be used by the physician to determine the mode of therapy to be chosen. If indicated, therapy is administered by the device itself or by telemetering control signals to various peripheral devices for the purpose of enhancing either contraction or relaxation of the heart. The cardiac parameters that are calculated all provide an assessment of level of cardiac function by monitoring changes in ventricular filling and ejection or by calculating isovolumic phase indices of heart contraction. Examples of such parameters are ejection fraction, cardiac output, stroke work, and/or various pressure-volume relationships. These parameters determine the mode of therapy that will be selected by a physician. Choices of therapy include several forms of pacing of cardiac or skeletal muscle, and telemetry to implanted or external units for drug infusion or for monitoring by a central data system.
    • 公开了一种监测和评估心脏功能指标(包括心脏收缩的强度和时间)的植入式监测器/刺激器,然后自动执行医师选择的治疗模式。 它通过评估阻抗,心电图和/或压力测量,然后计算各种心脏参数来实现。 这些计算的结果可以存储在设备内,遥测到外部监视器或显示器,和/或可被医师用来确定要选择的治疗方式。 如果指示,治疗由装置本身施用或通过将控制信号遥测到各种外围装置,以增强心脏的收缩或放松的目的。 计算的心脏参数都通过监测心室充盈和排出的变化或通过计算心脏收缩的等容性相位指数来提供心脏功能水平的评估。 这些参数的实例是射血分数,心输出量,中风工作量和/或各种压力 - 体积关系。 这些参数决定了医生选择的治疗方式。 治疗选择包括心脏或骨骼肌的几种形式的起搏,以及用于药物输注或由中央数据系统监测的植入或外部单元的遥测。
    • 5. 发明授权
    • Method and apparatus for correcting abnormal cardiac activity by low
energy shocks
    • 通过低能量冲击矫正心脏活动异常的方法和装置
    • US4559946A
    • 1985-12-24
    • US389907
    • 1982-06-18
    • Morton M. Mower
    • Morton M. Mower
    • A61N1/365A61N1/38A61N1/39A61N1/36
    • A61N1/3956A61N1/3987
    • The present invention relates to a method and apparatus for delivering two or more individual low-level pulses to correct certain cardiac arrhythmias such as high-rate ventricular tachycardia and ventricular fibrillation; at least the latter shocks are delivered in synchronism with a repeatable characteristic of the heart's electrical activity. Basically, the apparatus comprises an electrode sensor placed in the right ventricle of the heart or in the coronary sinus to act as a detector for the electrical activity of the heart. Connected to the electrode sensor is an arrhythmia detector chosen to detect such arrhythmias as ventricular tachycardia and ventricular fibrillation. Upon detection of one of these arrhythmias, the detector issues a signal which is interpreted by a programmable logic device to activate an energy storage device for delivering a first low-level shock to the heart through a shock delivering electrode. A slew rate detector is then activated by the logic device. The output of the slew rate detector is fed to a comparator to be compared with a continually updated reference signal supplied by the logic device. When the slew rate output equals or exceeds the value of the reference signal, the comparator issues a signal which activates the energy storage device to issue a second low-level shock to the heart through the shock delivering electrode. Additional shocks may be delivered in a manner similar to the delivery of the second shock under the control of the logic device.
    • 本发明涉及一种用于递送两个或多个单独的低电平脉冲以校正某些心律不齐的方法和装置,例如高速心室心动过速和心室颤动; 至少后面的冲击与心脏的电活动的可重复的特征同步传递。 基本上,该装置包括放置在心脏的右心室或冠状窦中的电极传感器,用作心脏电活动的检测器。 连接到电极传感器是一种心律失常检测器,被选择用于检测心律失常与室性心动过速和心室颤动。 在检测到这些心律失常之一时,检测器发出由可编程逻辑器件解释的信号,以激活用于通过冲击输送电极向心脏递送第一低电平冲击的能量存储装置。 然后,逻辑器件激活转换速率检测器。 转换速率检测器的输出被馈送到比较器,以与逻辑器件提供的连续更新的参考信号进行比较。 当转换速率输出等于或超过参考信号的值时,比较器发出一个信号,激活能量存储装置,通过冲击输送电极向心脏发出第二次低电平冲击。 额外的冲击可以以类似于在逻辑设备的控制下传送第二冲击的方式来传送。