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    • 1. 发明申请
    • Implantable device for cardiac vector determination
    • 用于心脏载体测定的植入式装置
    • US20070123940A1
    • 2007-05-31
    • US11545791
    • 2006-10-10
    • Thomas DorrAndreas KucherJens PhilippIngo Weiss
    • Thomas DorrAndreas KucherJens PhilippIngo Weiss
    • A61N1/00
    • A61B5/04011A61N1/3622A61N1/3702A61N1/3712A61N1/3956
    • An implantable electrostimulation device having at least three input channels, (each forming a sensing channel), which are each connected to at least one electrode or to one terminal for an electrode, using which at least three different electrical potentials accompanying an excitation of cardiac tissue (myocardium) in a heart may be detected. Uses a signal processing unit which is connected to the input channels and is implemented to analyze the time curve of the potentials detected via the three sensing channels as three input signals in chronological relation to a periodically repeating trigger signal, which triggers a time window, and which is also implemented to detect predefined signal features for each of the three input signals within the time window triggered by the trigger signal, store them, and compare them to corresponding signal features of preceding time windows or of another input channel within the same time window.
    • 具有至少三个输入通道(每个形成感测通道)的可植入电刺激装置,每个输入通道各自连接至至少一个电极或一个电极端子,利用该输入通道将至少三个不同的电位伴随着心脏组织的激发 (心肌)可能被检测到。 使用连接到输入通道的信号处理单元,并且被实现为分析通过三个感测通道检测的电位的时间曲线作为触发时间窗的周期性重复触发信号的按时间顺序的三个输入信号,以及 其还被实现为在由触发信号触发的时间窗口内检测三个输入信号中的每一个的预定义信号特征,将它们存储,并将它们与相同时间窗口内的另一个输入通道的相应信号特征进行比较 。
    • 3. 发明授权
    • Electrochemical detector
    • 电化学检测仪
    • US5100530A
    • 1992-03-31
    • US568099
    • 1990-08-16
    • Thomas DorrClemens Linowski
    • Thomas DorrClemens Linowski
    • G01N27/26G01N27/416G01N27/49G01N30/64
    • G01N27/49G01N27/4163
    • An electrochemical detector comprising an electrochemical cell (11), a working electrode (1), an auxiliary electrode (2), a reference electrode (3), a potentiostat (4), and a circuit (7,8) for deriving a signal indicative of the current developed at the working electrode additionally comprises means for monitoring and determining the potential of the reference electrode (3). These means comprise an electrometer circuit (9) which can be connected via a switch (S2) to the auxiliary electrode (2) to measure the potential of the reference electrode. During the measurement, the working electrode (1) is disconnected from the circuit (7,8) which is at the same time connected to the electrometer circuit (9) via switch (S1). The invention permits to recognize measuring errors associated with instabilities in the reference electrode potential (FIG. 1).
    • 一种电化学检测器,包括电化学电池(11),工作电极(1),辅助电极(2),参考电极(3),恒电位仪(4)和用于导出信号的电路 指示在工作电极处产生的电流另外包括用于监测和确定参考电极(3)的电位的装置。 这些装置包括可经由开关(S2)连接到辅助电极(2)的静电计电路(9),以测量参考电极的电位。 在测量期间,工作电极(1)与电路(7,8)断开,电路(7,8)同时通过开关(S1)连接到静电计电路(9)。 本发明允许识别与参考电极电位中的不稳定性相关的测量误差(图1)。
    • 5. 发明申请
    • Signal processing apparatus for physiological signals
    • 用于生理信号的信号处理装置
    • US20060047216A1
    • 2006-03-02
    • US11218303
    • 2005-09-01
    • Thomas DorrIngo WeissPeter Schneider
    • Thomas DorrIngo WeissPeter Schneider
    • A61B5/04
    • A61B5/04525A61B5/7239A61N1/362A61N1/3702
    • A signal processing apparatus is disclosed comprising an input stage for the preparation of a physiological signal, in particular an electrocardiogram, which is adapted to provide a signal of an alternating polarity, which is formed from the physiological signal and which is to be evaluated, and is connected to an evaluation stage for forwarding of the signal to be evaluated, wherein the evaluation stage is adapted to respond to a reference moment in time associated with the physiological signal, and for at least one signal segment, associated in respect of time with the reference moment in time, of the signal to be evaluated, to detect a respective amplitude value for at least some characteristic curve points contained in the signal segment such as signal maxima and minima, inflection points and so forth and to generate from the amplitude values obtained in that way a morphology code which describes the form of the respective signal segment.
    • 公开了一种信号处理装置,包括用于制备生理信号,特别是心电图的输入级,其适于提供由生理信号形成并且将被评估的交替极性的信号,以及 连接到用于转发要评估的信号的评估阶段,其中评估阶段适于响应于与生理信号相关的时间的参考时刻,以及对于至少一个与时间有关的信号段, 要评估的信号的参考时刻,以检测信号段中包含的至少一些特征曲线点的相应振幅值,例如信号最大值和最小值,拐点等,并从获得的振幅值产生 以这种方式描述相应信号段的形式的形态代码。