OPTICAL STIMULATION THERAPY
    3.
    发明申请
    OPTICAL STIMULATION THERAPY 有权
    光刺激治疗

    公开(公告)号:US20110125077A1

    公开(公告)日:2011-05-26

    申请号:US12951766

    申请日:2010-11-22

    IPC分类号: A61N5/06 A61N1/36 A61M37/00

    摘要: Methods of delivering optical stimulation to a target tissue from an optical stimulation device are provided. One method comprises sensing a temperature at the optical stimulation device or proximate to the optical stimulation device, and adjusting the delivery of light to the target tissue based on the sensed temperature. Another method comprises delivering the light to the target tissue with an optical light guide and sensing bioelectric signals with a sense electrode, wherein the optical light guide and the sense electrode each comprise a material that produces substantially no induced current in an electromagnetic field. Another method comprises delivering light from a light source of an optical stimulation device to a window of the optical stimulation device, delivering the light from the window to an optical light guide optically connected to the window, and delivering the light to a target tissue via the optical light guide.

    摘要翻译: 提供了从光学刺激装置向目标组织递送光学刺激的方法。 一种方法包括感测光学刺激装置处的温度或接近光学刺激装置的温度,以及基于感测的温度调节到目标组织的光的传送。 另一种方法包括用光学光导将光传送到目标组织,并用感测电极感测生物电信号,其中光学光导和感测电极各自包括在电磁场中基本上不产生感应电流的材料。 另一种方法包括将光从光学刺激装置的光源传送到光学刺激装置的窗口,将光从窗口传送到光学连接到窗户的光学导光板,并经由 光学光导。

    Determining intercardiac impedance
    9.
    发明授权
    Determining intercardiac impedance 有权
    确定心脏阻力

    公开(公告)号:US08478402B2

    公开(公告)日:2013-07-02

    申请号:US12263346

    申请日:2008-10-31

    IPC分类号: A61N1/00

    摘要: A system and method for determining complex intercardiac impedance to detect various cardiac functions are disclosed involving a signal generator means for providing an adjustable direct current signal, a modulator for modulating the adjustable direct current signal to produce a modulated signal, at least one electrode for propagating the modulated signal across a myocardium, at least one sensor for detecting an outputted modulated signal from the myocardium, and at least one circuit to reduce the influence of process noise (aggressors) in the outputted modulated signal. The at least one circuit comprises an amplifier, a demodulator, and an integrator. The amplitude and phase of the final outputted modulated signal indicate the complex impedance of the myocardium. Changes in the complex impedance patterns of the myocardium provide indication of reduced oxygen and blood flow to the myocardium. The apparatus can be employed in implantable devices, including cardiac pacemakers and implantable cardioverter defibrillators.

    摘要翻译: 公开了一种用于确定复杂心脏阻抗以检测各种心脏功能的系统和方法,其涉及用于提供可调节直流电流信号的信号发生器装置,用于调制可调直流电信号以产生调制信号的调制器,用于传播的至少一个电极 跨越心肌的调制信号,用于检测来自心肌的输出的调制信号的至少一个传感器,以及至少一个电路,以减少输出的调制信号中的过程噪声(侵略者)的影响。 所述至少一个电路包括放大器,解调器和积分器。 最终输出的调制信号的振幅和相位表示心肌的复阻抗。 心肌复合阻抗模式的变化提供氧气和血液流向心肌的指示。 该装置可用于可植入装置,包括心脏起搏器和可植入的心律转复除颤器。

    Seizure prediction
    10.
    发明申请
    Seizure prediction 有权
    缉获预测

    公开(公告)号:US20080269630A1

    公开(公告)日:2008-10-30

    申请号:US11799031

    申请日:2007-04-30

    IPC分类号: A61B5/04

    摘要: Seizure prediction systems and methods include measuring impedance and a potential within a brain of a patient to determine whether the brain is in a state indicative of a possibility of seizure. In some embodiments, at least one of the measured impedance or the measured potential may be used as a primary indication of the brain state indicative of a possibility of seizure. In one embodiment, if one of the measured impedance or the measured potential indicates a seizure, the other measurement (impedance or potential) may be used to validate whether the brain is in the state indicative of the possibility of seizure.

    摘要翻译: 缉获预测系统和方法包括测量患者的脑中的阻抗和潜力,以确定大脑是否处于指示癫痫发作可能性的状态。 在一些实施例中,测量的阻抗或测量电位中的至少一个可以用作指示发作可能性的脑状态的主要指示。 在一个实施例中,如果所测量的阻抗或测量的电位之一表示发作,则可以使用另一测量(阻抗或电位)来验证大脑是否处于表示发作可能性的状态。