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1. 发明申请

WO2007027562A1 SYSTEM AND METHOD FOR AUTOMATIC SELF-ALIGNMENT OF A SURGICAL LASER 审中-公开
标题翻译：手术激光自动自对准系统与方法
公开(公告)号：WO2007027562A1
公开(公告)日：2007-03-08
申请号：PCT/US2006/033427
申请日：2006-08-28
申请人： ALCON REFRACTIVEHORIZONS, INC. , GRAY, Gary, P. , BOWES, John, J. , OMORI, Ricardo
发明人： GRAY, Gary, P. , BOWES, John, J. , OMORI, Ricardo
IPC分类号： A61F9/01
CPC分类号： A61B3/00 , A61F9/00804 , A61F2009/00846 , A61F2009/00872 , G06F19/00 , G16H50/50
摘要： Embodiments of the present invention provide an alignment system operable to align a laser associated with a laser vision correction system. One embodiment of the alignment system comprises a laser source, a beam steering device, a system controller, a partially reflective surface, focusing optics, and an optical detector. The laser source generates a laser beam that the beam steering device receives and redirects along either a surgical pathway or an alignment pathway. The system controller couples to the beam steering device and directs the beam steering device to choose which pathway to be utilized. Additionally, the system controller may control the pulse repetition rate, intensity, beam profile and alignment of the laser beam. The partially reflective surface, within the alignment pathway, partially reflects the laser beam towards alignment coordinates on the surface of the optical detector. Focusing optics, if needed, may further be utilized to focus the partially reflected laser beam on the surface of the optical detector. The optical detector senses the coordinates associated with the illuminated portion of the surface of the optical detector. The system controller compares the coordinates associated with the alignment coordinates and the sensed coordinates and generates a position offset which is used to align the laser beam/steering device.
摘要翻译：本发明的实施例提供了可对准与激光视力校正系统相关联的激光器的对准系统。对准系统的一个实施例包括激光源，光束转向装置，系统控制器，部分反射表面，聚焦光学器件和光学检测器。激光源产生激光束，光束转向装置沿着外科路径或对准路径接收和重定向。系统控制器耦合到光束转向装置并引导光束转向装置选择要使用的通路。此外，系统控制器可以控制激光束的脉冲重复率，强度，光束分布和对准。在对准路径内的部分反射表面部分地将激光束反射到光学检测器表面上的对准坐标。如果需要，可以进一步利用聚焦光学器件将部分反射的激光束聚焦在光学检测器的表面上。光学检测器感测与光学检测器的表面的照射部分相关联的坐标。系统控制器将与对准坐标和感测坐标相关联的坐标进行比较，并产生用于对准激光束/转向装置的位置偏移。

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