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    • 10. 发明授权
    • Dimensional compensator for use with a patient interface
    • 尺寸补偿器用于患者界面
    • US09398979B2
    • 2016-07-26
    • US13793396
    • 2013-03-11
    • Technolas Perfect Vision GmbH
    • Kristian HohlaFrieder LoeselGwillem MosedaleGerhard Youssefi
    • A61F9/008A61F9/009
    • A61F9/008A61F9/00825A61F9/009A61F2009/00848A61F2009/00851A61F2009/00872
    • An apparatus and method are provided for performing ocular laser surgery using a patient interface having a posterior contact surface that may include surface irregularities that were generated during manufacturing of the patient interface. A beam delivery system having a focusing lens, scanning subsystem and adaptive optic (e.g. deformable mirror) is provided for guiding the surgical laser beam through the patient interface and to a desired focal spot location. An optical detector generates image data representing the posterior patient interface surface which is then processed by a computer system to identify surface irregularities by comparing the image data to a reference surface or axis. In particular, a surface irregularity can be identified as having a z-axis component; a tilt component and a surface profile component. Each irregularity component can be compensated separately by sending an adjustment signal to one of the beam delivery system components.
    • 提供了一种用于使用具有后接触表面的患者接口执行眼部激光手术的装置和方法,所述后接触表面可包括在患者界面的制造期间产生的表面不规则性。 提供了具有聚焦透镜,扫描子系统和自适应光学器件(例如,可变形反射镜)的束传送系统,用于引导外科激光束穿过患者界面并到达所需焦点位置。 光学检测器产生表示后部患者接口表面的图像数据,然后由计算机系统进行处理以通过将图像数据与参考表面或轴进行比较来识别表面不规则。 特别地,可以将表面不规则识别为具有z轴分量; 倾斜部件和表面轮廓部件。 可以通过将调整信号发送到光束传送系统部件之一来分别补偿每个不规则部件。