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    • 1. 发明授权
    • Optical coherence tomography methods and systems
    • 光学相干断层扫描方法和系统
    • US08427653B2
    • 2013-04-23
    • US13007470
    • 2011-01-14
    • Martin HackerChristoph HaugerKeith O'HaraScott Meyer
    • Martin HackerChristoph HaugerKeith O'HaraScott Meyer
    • G01B11/02
    • A61B3/102A61B3/1225A61B5/0066A61B5/0073G01B9/02004G01B9/02007G01B9/02009G01B9/02044G01B9/02091G01N21/4795
    • Frequency domain optical coherence tomography (FD-OCT) systems and methods are provided. Thereby, a first measurement and a second measurement is performed, wherein in the first measurement an object region is illuminated by measuring light having a spectrum with a first spectral width and in the second measurement the object region is illuminated with measuring light having a spectrum with a second spectral width, wherein the first spectral width is at least 10% greater than the second spectral width. Further, during the first measurement intensities of spectral ranges of light having interacted with the object and being superimposed with reference light are detected, wherein a width of these spectral ranges is greater than a corresponding width during the second measurement. Thus, switching an axial field of view of structural information of the object across a depth direction is enabled upon minimizing radiation damage at the object.
    • 提供了频域光学相干断层扫描(FD-OCT)系统和方法。 由此,执行第一测量和第二测量,其中在第一测量中,通过测量具有第一光谱宽度的光谱的光照射对象区域,并且在第二测量中,用具有光谱的测量光照射对象区域 第二光谱宽度,其中所述第一光谱宽度比所述第二光谱宽度大至少10%。 此外,在第一测量期间,检测到与对象相互作用并与参考光叠加的光的光谱范围的强度,其中这些光谱范围的宽度大于第二测量期间的对应宽度。 因此,在最小化物体的辐射损伤的情况下,能够在深度方向上切换物体的结构信息的轴向视场。
    • 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。