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    • 1. 发明授权
    • Process and arrangement for examining a section of the eye
    • 检查眼睛部分的过程和安排
    • US6095648A
    • 2000-08-01
    • US263844
    • 1999-03-08
    • Reginald BirngruberChristian ScholzPeter KochRalf Engelhardt
    • Reginald BirngruberChristian ScholzPeter KochRalf Engelhardt
    • A61B3/12A61B3/10
    • A61B3/1225
    • Systems, methods, and apparatus are provided for deriving the relative position of an eye by tracking a boundary of the eye such as the limbus (i.e., the interface between the white sclera and the colored iris). A technique for tracking the position of the eye of patient comprises directing light to an annular region of the eye between the sclera and the iris and receiving reflected light from that region. The intensity of the reflected light is then measured to determine a relative position of the eye. In some embodiments, the measured region is scanned around the boundary. In other embodiments, a light spot is scanned around a substantially annular trajectory radially outward from the pupil. The signals corresponding to the intensity of the reflected light are then processed and measured to determine the eye's position. A flap of tissue covering the boundary may be automatically detected so as to selectively measure the boundary away from the flap. The invention also provides for integrating the eye tracker into a laser eye surgery system.
    • 提供系统,方法和装置,用于通过跟踪眼睛的边界(例如,白色巩膜和彩色虹膜之间的界面)来导出眼睛的相对位置。 用于跟踪患者眼睛位置的技术包括将光引导到巩膜和虹膜之间的眼睛的环形区域并且接收来自该区域的反射光。 然后测量反射光的强度以确定眼睛的相对位置。 在一些实施例中,测量的区域围绕边界扫描。 在其他实施例中,光斑围绕从瞳孔径向向外的基本上环形的轨迹被扫描。 然后对与反射光强度相对应的信号进行处理和测量,以确定眼睛的位置。 可以自动检测覆盖边界的组织瓣,以便选择性地测量远离瓣的边界。 本发明还提供将眼睛跟踪器整合到激光眼睛手术系统中。
    • 2. 发明授权
    • Device with an OCT system for examining and treating living tissue by means of heating of the tissue by absorbing electromagnetic radiation
    • 具有OCT系统的装置,用于通过吸收电磁辐射来加热组织来检查和处理活组织
    • US08774904B2
    • 2014-07-08
    • US13642212
    • 2011-04-16
    • Reginald BirngruberRalf BrinkmannGereon HuettmannHeike Mueller
    • Reginald BirngruberRalf BrinkmannGereon HuettmannHeike Mueller
    • A61B6/00
    • A61B5/0066A61B5/0097A61B5/015A61B5/05A61B5/7225A61B5/742A61B18/20A61B2018/00636A61F9/008A61N5/00
    • A device for examining or treating living tissue by means of local heating of the tissue by absorbing electromagnetic radiation, with at least one radiation source emitting electromagnetic radiation, a control unit for controlling the irradiation parameters of the radiation source, and at least one FD-OCT apparatus with a light source emitting a measurement light for illuminating that tissue region in which the electromagnetic radiation is absorbed by the tissue, characterized by a computational unit for carrying out the following steps: determining the depth-resolved tissue velocity in the radiation direction of the measurement light at a predetermined measurement point of the tissue from the phase information from the FD-OCT interference light, integrating the established tissue velocity over time, differentiating the calculated time integral with respect to space, and displaying the spatial derivative as a function of space and time and/or feeding the spatial derivative as a function of space and time to an evaluation module and/or feeding the spatial derivative as a function of space and time to the control unit.
    • 一种用于通过吸收电磁辐射的局部加热来检查或处理生物体组织的装置,具有至少一个发射电磁辐射的辐射源,用于控制辐射源的照射参数的控制单元和至少一个FD- OCT装置,具有发射用于照射组织区域的测量光的光源,其中电磁辐射被组织吸收,其特征在于用于执行以下步骤的计算单元:确定辐射方向上的深度分辨组织速度 根据来自FD-OCT干涉光的相位信息在组织的预定测量点处的测量光,将所建立的组织速度随时间积分,将所计算的时间积分与空间进行微分,并将空间导数作为 空间和时间和/或馈送空间导数作为功能 n到评估模块的空间和时间和/或将空间导数作为空间和时间的函数馈送到控制单元。