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    • 61. 发明申请
    • POWER SUPPLY MONITORING FOR AN IMPLANTABLE DEVICE
    • 用于可移植设备的电源监控
    • US20100198313A1
    • 2010-08-05
    • US12725962
    • 2010-03-17
    • Randolph K. ARMSTRONGScott A. ARMSTRONGD. Michael INMANTimothy L. SCOTT
    • Randolph K. ARMSTRONGScott A. ARMSTRONGD. Michael INMANTimothy L. SCOTT
    • A61N1/378
    • A61N1/08A61N1/3708A61N1/378
    • A method and an apparatus for determining a time period remaining in a useful life of an energy storage device in an implantable medical device. The method may include measuring a voltage of the energy storage device to produce a measured voltage, and comparing the measured voltage to a transition voltage. While the measured voltage is greater than or equal to the transition voltage, the time period remaining in the energy storage device's useful life is approximated based upon a function of charge depleted. While the measured voltage is less than the transition voltage, the time period remaining in the energy storage device's useful life is approximated based upon a higher order polynomial function of the measured voltage. The transition voltage corresponds to a predetermined point on a energy storage device voltage depletion curve representing the voltage across the energy storage device over time.
    • 一种用于确定可植入医疗装置中的能量存储装置的使用寿命中剩余的时间段的方法和装置。 该方法可以包括测量能量存储装置的电压以产生测量的电压,并将测量的电压与转换电压进行比较。 当测量的电压大于或等于转换电压时,能量存储器件的使用寿命中剩余的时间段基于电荷耗尽的函数近似。 当测量的电压小于转换电压时,能量存储器件的使用寿命中剩余的时间段基于所测量的电压的较高阶多项式函数近似。 转换电压对应于表示能量存储装置上的电压随时间的电压耗尽曲线上的预定点。
    • 63. 发明申请
    • DYNAMIC LEAD CONDITION DETECTION FOR AN IMPLANTABLE MEDICAL DEVICE
    • 用于可植入医疗器械的动态引线条件检测
    • US20090112292A1
    • 2009-04-30
    • US11925749
    • 2007-10-26
    • Randolph K. Armstrong
    • Randolph K. Armstrong
    • A61N1/08
    • A61N1/3706A61N1/3605A61N1/36542A61N1/37241A61N2001/083
    • The present invention provides for a method, apparatus, and system for performing a dynamic detection of a lead condition associated with a lead assembly in an implantable medical device for providing a controlled current therapeutic electrical signal to a cranial nerve. A pulsed therapeutic electrical signal is provided to a portion of a patient's body. A multiplicity of feedback signals is provided. Each the signal in the multiplicity comprises a voltage signal associated with the lead assembly for a pulse in the pulsed therapeutic electrical signal. For each the feedback signal, a determination is made as to whether the voltage signal is below a predetermined threshold to create a multiplicity of voltage signal comparison results. A determination is made as to whether or not a lead condition problem exists based upon the multiplicity of voltage signal comparison results.
    • 本发明提供了一种方法,装置和系统,用于执行与可植入医疗装置中的引线组件相关联的引导条件的动态检测,用于向颅神经提供受控的当前治疗电信号。 将脉冲治疗电信号提供给患者身体的一部分。 提供了多种反馈信号。 多重信号中的每个信号包括与用于脉冲治疗电信号中的脉冲的引线组件相关联的电压信号。 对于每个反馈信号,确定电压信号是否低于预定阈值以产生多个电压信号比较结果。 基于电压信号比较结果的多重性,确定是否存在引导条件问题。
    • 64. 发明申请
    • Neural Conductor
    • 神经指导
    • US20090012590A1
    • 2009-01-08
    • US11773317
    • 2007-07-03
    • Michael InmanDavid Thompson
    • Michael InmanDavid Thompson
    • A61N1/02
    • A61N1/0556A61N1/0558
    • Methods and devices for reducing current spread in nerve stimulation therapy are described herein. The disclosed methods and devices utilize a novel neural conductor placed between electrodes in an implantable medical device. The neural conductor provides a path for the current to pass through rather than allowing current to spread to neighboring tissues. In an embodiment, an electrode assembly for reducing current spread in nerve stimulation therapy comprises a first and a second electrode adapted to be coupled to a target nerve. In addition, the electrode assembly comprises a neural conductor which is spaced apart from the first and second electrodes.
    • 本文描述了用于减少神经刺激治疗中的电流扩散的方法和装置。 所公开的方法和装置利用放置在可植入医疗装置中的电极之间的新型神经导体。 神经导体提供了电流通过的路径,而不是允许电流扩散到相邻组织。 在一个实施例中,用于减少神经刺激治疗中的电流扩散的电极组件包括适于与目标神经耦合的第一和第二电极。 此外,电极组件包括与第一和第二电极间隔开的神经导体。
    • 66. 发明授权
    • Neurostimulator with activation based on changes in body temperature
    • 基于体温变化的激活神经刺激器
    • US07366571B2
    • 2008-04-29
    • US11009122
    • 2004-12-10
    • Randolph K. Armstrong
    • Randolph K. Armstrong
    • A61B5/01A61N1/36
    • A61B5/01A61B5/4094A61N1/36053A61N1/36135
    • Improved methods and devices are provided for detecting and/or predicting the onset of an undesirable physiological event or neural state, such as an epileptic seizure, to facilitate rapid intervention with a treatment therapy such as neurostimulation or drug therapy. The methods and devices involve monitoring the patient's body temperature, preferably by an implanted temperature sensor, to detect a sudden change in a body temperature parameter. The temperature parameter change may comprise an increase or decrease in the patient's body temperature, time rate of change of body temperature, or a difference in a moving average temperature for a first period from that of a second period. When a parameter change is detected that exceeds a threshold, neurostimulation therapy is delivered to a neural structure of the patient.
    • 提供改进的方法和装置用于检测和/或预测不期望的生理事件或神经状态(例如癫痫发作)的发作,以促进用诸如神经刺激或药物治疗的治疗疗法的快速干预。 所述方法和装置包括通过植入的温度传感器监测患者体温,以检测体温参数的突然变化。 温度参数变化可以包括患者体温的增加或减少,体温变化的时间变化率,或者第一时间段的移动平均温度与第二周期的差异。 当检测到超过阈值的参数变化时,将神经刺激治疗递送到患者的神经结构。