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    • 3. 发明授权
    • Method and apparatus for monitoring heart rate
    • 监测心率的方法和装置
    • US06714811B1
    • 2004-03-30
    • US09452659
    • 1999-12-01
    • Vasant PadmanabhanKaren A. StoneWalter H. OlsonKevin T. Ousdigian
    • Vasant PadmanabhanKaren A. StoneWalter H. OlsonKevin T. Ousdigian
    • A61B504
    • A61B5/0031A61B5/0205A61B5/024A61B5/11A61B2560/0431
    • A monitoring device for implant in a patient's body. The device is provided with a physiologic sensor generating output signals, which signals are stored as numerical values. The device defines first monitoring periods limited to time periods during successive nights during which the patient is likely to be asleep, stores the numerical values generated during the first monitoring periods in a memory and calculates values reflecting general levels of the numerical values during the first monitoring periods. The device may also or alternatively define second monitoring periods limited to time periods during successive daytime and store numerical values generated during the second monitoring periods. The physiologic sensor may be an electrogram amplifier or other sensor indicative of metabolic demand for oxygenated blood, such as an activity sensor. The calculated values reflecting general levels of the numerical values generated during the monitoring periods may be average values, such as mean values or over-all total values, depending upon the sensor employed.
    • 一种用于植入患者体内的监测装置。 该装置设置有生成输出信号的生理传感器,该信号被存储为数值。 该装置定义了限制在患者可能睡着的连续夜晚的时间段的第一监测时段,将在第一监测周期期间产生的数值存储在存储器中,并且计算反映在第一监测期间的数值的一般水平的值 时期。 设备还可以或者替代地定义限制在连续白天期间的时间段的第二监视周期,并且存储在第二监视周期期间生成的数值。 生理传感器可以是电描记放大器或指示氧合血液的代谢需求的其它传感器,例如活性传感器。 反映在监测期间产生的数值的一般水平的计算值可以是平均值,例如平均值或全部总值,这取决于所使用的传感器。
    • 4. 发明授权
    • Method and apparatus for monitoring heart rate
    • 监测心率的方法和装置
    • US06508771B1
    • 2003-01-21
    • US09452533
    • 1999-12-01
    • Vasant PadmanabhanWalter H. Olson
    • Vasant PadmanabhanWalter H. Olson
    • A61B50468
    • A61N1/3702A61N1/3925
    • An implantable monitoring device for monitoring a patient's heart rate variability over time. The device includes a cardiac electrogram amplifier, a sensing electrode coupled to an input of the amplifier, timing circuitry, processing circutry and a memory. The timing circuitry defines successive monitoring periods each extending over a period of hours, the monitoring periods together extending at least over a period of weeks and also defines successive shorter time periods during each monitoring period. The memory stores heart intervals between depolarizations of the patient's heart sensed by the amplifier during the shorter time periods. The processing circuitry calculates median intervals between depolarizations of the patient's heart sensed by the amplifier during the shorter time periods and calculates standard deviations of the median intervals calculated during each monitoring period. The processing circuitry may also reject heart intervals occurring during tachyarrhythmias and calculate median intervals based only on heart intervals not rejected.
    • 一种可植入监测装置,用于随时间监测患者的心率变异性。 该装置包括心电图放大器,耦合到放大器的输入的感测电极,定时电路,处理循环和存储器。 定时电路定义了连续的监视周期,每个监视周期都在几个小时内延伸,监视周期至少延长了几周,并且还在每个监视周期内定义了连续较短的时间段。 存储器存储在较短时间段期间由放大器感测的患者心脏的去极化之间的心脏间隔。 处理电路计算在较短时间段期间由放大器感测到的患者心脏的去极化之间的中间间隔,并计算在每个监测期间计算的中位数间隔的标准偏差。 处理电路还可以排除在快速性心律失常期间发生的心脏间隔,并且仅基于未被拒绝的心脏间隔计算中位数间隔。
    • 6. 发明授权
    • Prioritized rule based method and apparatus for diagnosis and treatment of arrhythmias
    • 用于诊断和治疗心律失常的优先规则方法和装置
    • US06178350B1
    • 2001-01-23
    • US09487189
    • 2000-01-19
    • Walter H. OlsonJeffrey M. Gillberg
    • Walter H. OlsonJeffrey M. Gillberg
    • A61N1362
    • A61N1/3622A61B5/042A61B5/046A61B5/0464A61B5/7264
    • An implantable anti-tachyarrhythmia device which delivers anti-tachyarrhythmia therapies to a patient's heart in response to detection of tachyarrhythmias. The device defines first criteria indicating the presence of atrial tachycardia and second criteria indicating the presence of atrial fibrillation, and compares the time elapsed since the either the first or second criteria were initially met to a defined time duration. In response to the defined duration having passed and either of the first or second criteria being met, the device triggers delivery of an appropriate anti-tachyarrhythmia therapy. The timer is reset on detection of termination of atrial tachyarrhythmia, but not on failure of the first and second criteria to be met. The first and second criteria are defined such that they can not be concurrently met.
    • 一种可植入的抗快速性心律失常装置,其响应于快速性心律失常的检测而向患者的心脏递送抗快速性心律失常疗法。 该装置定义了指示心房心动过速存在的第一标准和指示心房纤维性颤动的存在的第二标准,并且比较了从第一或第二标准开始满足到限定的持续时间之后经过的时间。 响应于已经通过的限定的持续时间并满足第一或第二标准中的任一个,该装置触发适当的抗快速性心律失常治疗的递送。 在检测到心房性心律失常终止时,定时器复位,但不符合第一和第二标准的失败。 第一和第二个标准被定义为不能同时满足。