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    • 1. 发明申请
    • Pacing interval adjustment for cardiac pacing response determination
    • 心脏起搏反应确定的起搏间隔调整
    • US20070078489A1
    • 2007-04-05
    • US11242240
    • 2005-10-03
    • Scott MeyerYanting DongKevin StalsbergAlok Sathaye
    • Scott MeyerYanting DongKevin StalsbergAlok Sathaye
    • A61N1/362
    • A61N1/371A61B5/04525A61B5/7217A61N1/3682A61N1/3684A61N1/3712
    • The waveform morphology of a propagated pacing response signal may be adjusted to achieve a waveform morphology that enhances cardiac pacing response determination. One or more pacing intervals may be adjusted to achieve at least one cardiac pacing response waveform morphology that enhances determination of the cardiac pacing response. The heart is paced using the one or more adjusted pacing intervals and the cardiac response to the pacing is determined. The one or more adjusted pacing intervals may include an atrioventricular pacing delay, an interatrial pacing delay, an interventricular pacing delay, or other inter-chamber or inter-site pacing delays. Adjusting the one or more pacing intervals may be used to increase a difference between a first waveform morphology associated with multi-chamber capture and a second waveform morphology associated with single chamber capture.
    • 可以调节传播的起搏响应信号的波形形态,以实现增强心脏起搏响应确定的波形形态。 可以调整一个或多个起搏间隔以实现至少一个心脏起搏响应波形形态,其增强心脏起搏响应的确定。 心脏使用一个或多个调整的起搏间隔进行起搏,并且确定对起搏的心脏反应。 一个或多个经调整的起搏间隔可以包括房室起搏延迟,房间起搏延迟,室间起搏延迟或其他间室间或间部间起搏延迟。 可以使用调整一个或多个起搏间隔来增加与多室捕获相关联的第一波形形态与与单室捕获相关联的第二波形形态之间的差异。
    • 3. 发明申请
    • Neural stimulation system for reducing atrial proarrhythmia
    • 用于减少心房心律失常的神经刺激系统
    • US20070150011A1
    • 2007-06-28
    • US11320173
    • 2005-12-28
    • Scott MeyerAlok Sathaye
    • Scott MeyerAlok Sathaye
    • A61N1/36
    • A61N1/3702A61N1/36114A61N1/3624
    • A system for reducing proarrhythmic effects of neural stimulation is provided. One aspect of this disclosure relates to an implantable medical device (IMD) for reducing proarrhythmic effects of neural stimulation. The IMD includes a neural stimulator adapted to deliver an electrical signal through at least one electrode to provide vagal stimulation. The IMD also includes a controller adapted to receive atrial arrhythmia vulnerability data and to control a therapeutic stimulator to limit atrial proarrhythmia using the atrial arrhythmia vulnerability data. The controller is further adapted to receive atrial arrhythmic history data and to control a therapeutic stimulator to limit atrial proarrhythmia using the atrial arrhythmic history data, according to various embodiments. According to one embodiment, the therapeutic stimulator includes the neural stimulator. The therapeutic stimulator includes a cardiac stimulator adapted to provide cardiac rhythm management therapy, according to various embodiments. Other aspects and embodiments are provided herein.
    • 提供了减少神经刺激的心律失常作用的系统。 本公开的一个方面涉及用于减少神经刺激的心律失常作用的可植入医疗装置(IMD)。 IMD包括适于通过至少一个电极传递电信号以提供迷走神经刺激的神经刺激器。 IMD还包括一个控制器,适用于接收心房心律失常的脆弱性数据,并使用房性心律失常漏洞数据来控制治疗性刺激器来限制心房心律失常。 根据各种实施例,控制器还适于接收心房心律失常历史数据并且使用心房心律不齐历史数据来控制治疗性刺激器来限制心房心律失常。 根据一个实施例,治疗刺激器包括神经刺激器。 根据各种实施例,治疗性刺激器包括适于提供心律控制治疗的心脏刺激器。 本文提供了其它方面和实施例。
    • 5. 发明授权
    • Arrhythmia discrimination using ECG's sensed from multiple implanted electrodes
    • 使用从多个植入电极感测的心电图进行心律失常辨别
    • US08321002B2
    • 2012-11-27
    • US13027608
    • 2011-02-15
    • Yi ZhangCarlos A. RicciJeffrey E. StahmannAaron McCabeScott MeyerYinghong Yu
    • Yi ZhangCarlos A. RicciJeffrey E. StahmannAaron McCabeScott MeyerYinghong Yu
    • A61B5/0464
    • A61B5/04011A61B5/7203
    • Cardiac monitoring and/or stimulation methods and systems provide for monitoring, diagnosing, defibrillation and pacing therapies, or a combination of these capabilities, including cardiac systems incorporating or cooperating with neuro-stimulating devices, drug pumps, or other therapies. Embodiments of the present invention relate generally to implantable medical devices employing automated cardiac activation sequence monitoring and/or tracking for arrhythmia discrimination. Embodiments of the invention are directed to devices and methods involving sensing a plurality of composite cardiac signals using a plurality of implantable electrodes. A source separation is performed using the sensed plurality of composite cardiac signals and the separation produces one or more cardiac signal vectors associated with one or more cardiac activation sequences that is indicative of ischemia. A change of the one or more cardiac signal vectors is detected using the one or more cardiac signal vectors. Cardiac arrhythmias are discriminated using the one or more cardiac signal vectors.
    • 心脏监测和/或刺激方法和系统提供监测,诊断,除颤和起搏治疗,或这些能力的组合,包括结合或与神经刺激装置,药物泵或其他疗法组合的心脏系统。 本发明的实施方案一般涉及使用自动心脏激活序列监测和/或跟踪用于心律失常鉴别的可植入医疗装置。 本发明的实施例涉及使用多个可植入电极感测多个复合心脏信号的装置和方法。 使用感测的多个复合心脏信号进行源分离,并且分离产生与指示缺血的一个或多个心脏激活序列相关联的一个或多个心脏信号载体。 使用一个或多个心脏信号矢量检测一个或多个心脏信号矢量的改变。 使用一个或多个心脏信号载体来区分心律失常。
    • 8. 发明申请
    • Image adjustment derived from optical imaging measurement data
    • 从光学成像测量数据导出的图像调整
    • US20080055543A1
    • 2008-03-06
    • US11511651
    • 2006-08-29
    • Scott MeyerXunchang ChenRodney P. Chin
    • Scott MeyerXunchang ChenRodney P. Chin
    • A61B3/10
    • A61B3/102A61B3/113
    • A method and apparatus for imaging within the eye is provided whereby a component of eye position is detected using optical imaging data. Tracking eye position over time and correctly registering imaging data for scan locations or using eye position to detect decentration achieves improved imaging. In one embodiment, essentially perpendicular B-scans are imaged sequentially and the corneal arc within each B-scan is analyzed to determine the vertex of the eye. The eye vertex is tracked over pairs of perpendicular B-scans to determine eye motion. In another embodiment, the decentration in the Pachymetry map is removed by correcting for the misalignment of the center of the Pachymetry map and the actual location of the corneal vertex.
    • 提供一种用于眼内成像的方法和装置,由此使用光学成像数据检测眼睛位置的分量。 随着时间的推移跟踪眼睛位置并正确记录扫描位置的成像数据或使用眼睛位置来检测偏心,实现了改善的成像。 在一个实施例中,基本上垂直的B扫描被顺序成像,并且分析每个B扫描内的角膜弧以确定眼睛的顶点。 通过成对的垂直B扫描来跟踪眼睛顶点以确定眼睛运动。 在另一个实施例中,通过校正Pachymetry图的中心和角膜顶点的实际位置的偏移来去除Pachymetry图中的偏心。