Device for adjusting the sensitivity level of an implantable medical device
    1.
    发明授权
    Device for adjusting the sensitivity level of an implantable medical device 有权
    用于调节植入式医疗装置的灵敏度水平的装置

    公开(公告)号:US08000790B2

    公开(公告)日:2011-08-16

    申请号:US10576178

    申请日:2003-10-27

    IPC分类号: A61N1/00 A61B5/04

    摘要: An implantable cardiac stimulation device has an atrial detector that detects atrial events of a patient's heart, and a memory in which sequences of IEGM signals are stored, having a predetermined length, and an analyzing unit that analyzes the sequences to determine if the stored sequences contain atrial events having a lower amplitude than the current sensitivity setting of the atrial detector. A control unit is connected to the atrial detector to adjust the sensitivity setting thereof to a threshold that is determined based on the aforementioned analysis of the IEGM signals.

    摘要翻译: 可植入心脏刺激装置具有心房检测器,其检测患者心脏的心房事件,以及存储具有预定长度的IEGM信号序列的存储器,以及分析单元,其分析序列以确定所存储的序列是否包含 心房事件的振幅低于心房检测器的当前灵敏度设置。 控制单元连接到心房检测器以将其灵敏度设置调整到基于上述对IEGM信号的分析确定的阈值。

    Bi-ventricular pacer, system and method
    2.
    发明授权
    Bi-ventricular pacer, system and method 有权
    双心室起搏器,系统及方法

    公开(公告)号:US07228172B2

    公开(公告)日:2007-06-05

    申请号:US10734767

    申请日:2003-12-13

    IPC分类号: A61N1/368

    摘要: An implantable bi-ventricular heart stimulating device and system, suitable for treating congestive heart failure, have a control circuit with first and second pacing circuits and first and second sensing circuits. The device operates with time cycles corresponding to normal heart cycles. The control circuit determines: (a) whether a signal typical of an evoked response to a pacing pulse delivered by the first pacing circuit is sensed within a first time interval and (b) whether a signal typical for an R-wave transferred from the second ventricle, or from some other part of the heart, to the first ventricle is detected within a first time window. The operation of the device depends on whether the conditions (a) and (b) are fulfilled.

    摘要翻译: 适用于治疗充血性心力衰竭的可植入式双心室心脏刺激装置和系统具有具有第一和第二起搏电路和第一和第二感测电路的控制电路。 该装置以对应于正常心脏周期的时间周期运行。 控制电路确定:(a)在第一时间间隔内是否感测到由第一起搏电路传送的起搏脉冲的典型诱发响应的信号,以及(b)是否从第二时间间隔传送的R波的典型信号 在第一时间窗口内检测到心室或心脏的其他部分到第一脑室。 设备的操作取决于条件(a)和(b)是否得到满足。

    Implantable biventricular heart stimulating device and method for performing a capture threshold search
    3.
    发明授权
    Implantable biventricular heart stimulating device and method for performing a capture threshold search 有权
    可植入的双心室心脏刺激装置和执行捕获阈值搜索的方法

    公开(公告)号:US07979125B2

    公开(公告)日:2011-07-12

    申请号:US12090157

    申请日:2005-10-31

    IPC分类号: A61N1/362

    摘要: In an implantable biventricular heart stimulating device, and a biventricular heart stimulating method, wherein operation takes place normally with a time VV between a pacing pulse delivered, or inhibited, by a first ventricular pacing circuit and a pacing pulse delivered, or inhibited, by a second ventricular pacing circuit, and wherein a time VVcts is determined that is to be used instead of VV during a capture threshold search.

    摘要翻译: 在可植入的双心室心脏刺激装置和双心室心脏刺激方法中,其中手术通常由第一心室起搏电路递送或抑制的起搏脉冲与通过一个或多个第一心室起搏电路递送或抑制的起搏脉冲之间的时间VV进行 第二心室起搏电路,并且其中在捕获阈值搜索期间确定要用于代替VV的时间VVcts。

    Implantable heart stimulating device, system and method
    4.
    发明授权
    Implantable heart stimulating device, system and method 有权
    植入式心脏刺激装置,系统及方法

    公开(公告)号:US07181279B2

    公开(公告)日:2007-02-20

    申请号:US10781171

    申请日:2004-02-18

    IPC分类号: A61N1/36

    摘要: An implantable bi-ventricular heart stimulating device and system operate, within a time cycle, to deliver pacing pulses with both a first and a second pacing circuit with a first time delay between these pacing pulses. The device employs a criterion with which a signal typical for a premature ventricular contraction is detected. The device also operates with a second time delay and/or with a third time delay, and, if a predefined pacing rule is fulfilled, to deliver a pacing pulse with the second time delay or said third time delay. The risk for arrhythmia in connection with a PVC is reduced.

    摘要翻译: 一种可植入的双心室心脏刺激装置和系统在一个时间周期内操作,以便在这些起搏脉冲之间具有第一和第二起搏电路与第一时间延迟之间输送起搏脉冲。 该装置采用标准,通过该标准可以检测出早期心室收缩的典型信号。 该装置还以第二时间延迟和/或第三时间延迟进行操作,并且如果满足预定的起搏规则,则以第二时间延迟或所述第三时间延迟递送起搏脉冲。 与PVC相关的心律失常风险降低。

    Multi-chamber pacing system
    5.
    发明授权
    Multi-chamber pacing system 失效
    多室起搏系统

    公开(公告)号:US07089058B2

    公开(公告)日:2006-08-08

    申请号:US10813776

    申请日:2004-03-31

    IPC分类号: A61N1/368

    CPC分类号: A61N1/3702 A61N1/3684

    摘要: A multi-chamber pacing system has a pulse generator for successively delivering pacing pulses to chambers of a patient's heart. Evoked response detectors having blanking intervals following the delivery of pacing pulses include sensing elements for sensing IEGM-signals from each of the heart chambers and an integrating unit that integrates the IEGM-signal within evoked response detection time windows after delivery of pacing pulses for detecting evoked response. The evoked response detection time window for a heart chamber contain at least one blanking interval resulting from delivery of a pacing pulse to another chamber and each of the sensed IEGM signals having a generally known morphology. An integral reconstructing unit reconstructs the time integral of the IEGM signal from one of the heart chambers in the blanking interval following delivery of a pacing pulse to another heart chamber.

    摘要翻译: 多室起搏系统具有脉冲发生器,用于连续地向患者心脏的腔室输送起搏脉冲。 在递送起搏脉冲之后具有消隐间隔的诱发响应检测器包括用于感测来自每个心室的IEGM信号的感测元件和在递送用于检测诱发的起搏脉冲之后的诱发响应检测时间窗口内积分IEGM信号的积分单元 响应。 心室的诱发反应检测时间窗口包含至少一个消隐间隔,其由将起搏脉冲递送到另一个腔室而产生,每个感测的IEGM信号具有通常已知的形态。 整体重建单元在将起搏脉冲递送到另一个心室之后的消隐间隔中的一个心室重建IEGM信号的时间积分。

    Multi-chamber pacing system
    6.
    发明授权
    Multi-chamber pacing system 失效
    多室起搏系统

    公开(公告)号:US07069076B2

    公开(公告)日:2006-06-27

    申请号:US10761707

    申请日:2004-01-21

    IPC分类号: A61N1/36

    CPC分类号: A61N1/3702 A61N1/3684

    摘要: A multi-chamber pacing system has a pulse generator for successively delivering pacing pulses to chambers of a patient's heart, and IEGM signal detectors, having blanking intervals following the delivery of pacing pulses, including sensing circuits for sensing IEGM-signals from each of the heart chambers. Each of said sensed IEGM signals has a generally known morphology. A signal-reconstructing unit reconstructs the IEGM signal from one of the heart chambers in the blanking interval following delivery of a pacing pulse to another heart chamber.

    摘要翻译: 多室起搏系统具有脉冲发生器,用于连续地向患者心脏的腔室输送起搏脉冲,以及IEGM信号检测器,其具有递送起搏脉冲之后的消隐间隔,包括用于感测来自每个心脏的IEGM信号的感测电路 房间。 所述感测的IEGM信号中的每一个具有通常已知的形态。 信号重建单元在将起搏脉冲递送到另一个心室之后的消隐间隔中的一个心室重建IEGM信号。

    Biventricular heart stimulator and method of controlling a biventricular heart stimulator
    7.
    发明授权
    Biventricular heart stimulator and method of controlling a biventricular heart stimulator 有权
    双心室心脏刺激器和控制双心室心脏刺激器的方法

    公开(公告)号:US08131366B2

    公开(公告)日:2012-03-06

    申请号:US11885326

    申请日:2005-03-02

    IPC分类号: A61N1/37

    摘要: In a biventricular heart stimulator and a method for controlling such a biventricular heart stimulator, successive stimulation pulses are delivered to the ventricles of a heart such that stimulation pulses in a single heartbeat cycle are respectively first delivered to the first ventricle and then to the second ventricle. Capture or loss of capture in response to stimulation pulses delivered to one ventricle is detected. As a result of a detected loss of capture, preventative measures are taken for preventing loss of capture in the other ventricle.

    摘要翻译: 在双心室心脏刺激器和用于控制这种双心室心脏刺激器的方法中,连续的刺激脉冲被递送到心脏的心室,使得单个心跳周期中的刺激脉冲分别首先被传送到第一脑室,然后被传送到第二脑室 。 检测到响应于输送到一个脑室的刺激脉冲的捕获或丢失。 由于检测到的捕获损失,采取预防措施来防止在另一脑室中的捕获损失。

    Implantable medical device and method for classifying arrhythmia events
    8.
    发明授权
    Implantable medical device and method for classifying arrhythmia events 有权
    植入式医疗器械和心律失常事件分类方法

    公开(公告)号:US08755874B2

    公开(公告)日:2014-06-17

    申请号:US12989581

    申请日:2008-05-07

    IPC分类号: A61B5/04

    摘要: In an implantable medical device such as an implantable cardiac defibrillator, and a method for classifying arrhythmia events, IEGM signals are analyzed to detect an arrhythmia event and a respiratory pattern of the patient is sensed. At least one respiratory parameter reflecting characteristics of the respiratory pattern of the patient is determined based on the sensed respiratory pattern and a respiratory measure corresponding to a change of a rate of change of the at least one respiratory parameter is calculated. The detected arrhythmia event is classified based on the respiratory measure and the IEGM signals, wherein arrhythmia events that satisfy at least a first criterion is classified as an arrhythmia event requiring therapy.

    摘要翻译: 在诸如可植入心脏除颤器的可植入医疗装置和用于分类心律失常事件的方法中,分析IEGM信号以检测心律失常事件并感测患者的呼吸模式。 基于感测到的呼吸模式来确定反映患者呼吸模式特征的至少一个呼吸参数,并且计算与至少一个呼吸参数的变化率的变化相对应的呼吸测量。 基于呼吸测量和IEGM信号对所检测到的心律失常事件进行分类,其中满足至少第一标准的心律失常事件被分类为需要治疗的心律失常事件。

    Implantable medical device and method comprising means for detecting and classifying an arrhythmia
    9.
    发明授权
    Implantable medical device and method comprising means for detecting and classifying an arrhythmia 有权
    可植入医疗装置和方法包括用于检测和分类心律失常的装置

    公开(公告)号:US08738120B2

    公开(公告)日:2014-05-27

    申请号:US13696261

    申请日:2010-05-12

    IPC分类号: A61B5/0468

    摘要: An implantable medical device (100) is configured for generating a cardiogenic impedance signal representative of the cardiogenic impedance of at least a portion of a heart (10) of a subject (20) during at least a portion of cardiac cycle. A moment processor (132) calculates a moment parameter value based on the cardiogenic impedance signal. The moment parameter is representative of a weighted sum of impedance amplitudes within a time window centered at defined time instance within the cardiac cycle. The weights of the impedance amplitudes are further dependent on the length in time between the defined time instance and the point of time of the associated impedance amplitude. The moment parameter is of high diagnostic value and is employed by an arrhythmia classifier (132) in order to classify a detected arrhythmia of the heart (10), such as discriminate between hemodynamically stable or unstable arrhythmias and/or supraventricular or ventricular tachycardia.

    摘要翻译: 可植入医疗装置(100)被配置为在心脏周期的至少一部分期间产生代表受试者(20)的心脏(10)的至少一部分的心源阻抗的心源性阻抗信号。 时刻处理器(132)基于心源阻抗信号计算力矩参数值。 力矩参数代表以心动周期内规定时间范围为中心的时间窗内的阻抗振幅加权和。 阻抗幅度的权重进一步取决于所定义的时间实例和相关联的阻抗幅度的时间点之间的时间长度。 时刻参数具有很高的诊断价值,并被心律失常分类器(132)采用,以便将检测到的心脏(10)的心律失常进行分类,例如区分血流动力学稳定或不稳定的心律失常和/或室上或室性心动过速。

    IMPLANTABLE MEDICAL DEVICE AND METHOD FOR CLASSIFYING ARRHYTHMIA EVENTS
    10.
    发明申请
    IMPLANTABLE MEDICAL DEVICE AND METHOD FOR CLASSIFYING ARRHYTHMIA EVENTS 有权
    可植入医疗装置和分类ARRHYTHMIA事件的方法

    公开(公告)号:US20110112419A1

    公开(公告)日:2011-05-12

    申请号:US12989581

    申请日:2008-05-07

    IPC分类号: A61B5/04

    摘要: In an implantable medical device such as an implantable cardiac defibrillator, and a method for classifying arrhythmia events, IEGM signals are analyzed to detect an arrhythmia event and a respiratory pattern of the patient is sensed. At least one respiratory parameter reflecting characteristics of the respiratory pattern of the patient is determined based on the sensed respiratory pattern and a respiratory measure corresponding to a change of a rate of change of the at least one respiratory parameter is calculated. The detected arrhythmia event is classified based on the respiratory measure and the IEGM signals, wherein arrhythmia events that satisfy at least a first criterion is classified as an arrhythmia event requiring therapy.

    摘要翻译: 在诸如可植入心脏除颤器的可植入医疗装置和用于分类心律失常事件的方法中,分析IEGM信号以检测心律失常事件并感测患者的呼吸模式。 基于感测到的呼吸模式来确定反映患者呼吸模式特征的至少一个呼吸参数,并且计算与至少一个呼吸参数的变化率的变化相对应的呼吸测量。 基于呼吸测量和IEGM信号对所检测到的心律失常事件进行分类,其中满足至少第一标准的心律失常事件被分类为需要治疗的心律失常事件。