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    • 4. 发明公开
    • LASEREINRICHTUNG, INSBESONDERE FÜR DIE OPHTHALMOLOGISCHE LASERCHIRURGIE
    • LASEREINRICHTUNG,INSBESONDEREFÜRDIE OPHTHALMOLOGISCHE LASERCHIRURGIE
    • EP2648665A1
    • 2013-10-16
    • EP10790830.3
    • 2010-12-10
    • WaveLight GmbH
    • WOELFEL, MathiasKITTELMANN, OlafTHUERMER, Daniel
    • A61F9/008
    • A61F9/008A61F9/00825A61F2009/00855A61F2009/00872A61F2009/00897
    • The invention relates to a laser arrangement, in particular for ophthalmological laser surgery, comprising a laser source (14) for producing laser radiation, controllable scanning components (20) for adjusting a focus position of the laser radiation, measuring components (30) for detecting information which is representative of an actual position of the radiation focus, and a control arrangement (22) controlling the laser source and the scanning components. According to the invention, the control arrangement is configured to carry out a test run of at least some of the scanning components according to a predetermined test scanning pattern when the laser source is switched off, the test scanning pattern defining at least one scanning path for the radiation focus, and the control arrangement being configured to detect the actual focus position during a scanning movement along the scanning path several times in succession without the scanning movement stopping, and to determine a rated focus position in association with each actual focus position detected. The test run can ensure that the scanning components can move to all positions within an available scanning region even if the laser arrangement has previously experienced downtime.
    • 本发明涉及一种激光装置,特别是用于眼科激光手术,包括用于产生激光辐射的激光源(14),用于调节激光辐射的焦点位置的可控扫描部件(20),测量用于检测的部件(30) 表示辐射聚焦的实际位置的信息,以及控制激光源和扫描部件的控制装置(22)。 根据本发明,控制装置被配置为当激光源关闭时根据预定的测试扫描图案执行至少一些扫描部件的测试运行,测试扫描模式定义至少一个扫描路径,用于 所述辐射聚焦和所述控制装置被配置为在扫描移动停止期间连续扫描多次扫描移动期间检测实际聚焦位置,并且与检测到的每个实际聚焦位置相关联地确定额定聚焦位置。 测试运行可以确保扫描组件可以移动到可用扫描区域内的所有位置,即使激光装置先前已经停机。
    • 10. 发明公开
    • Selective photocoagulation
    • 选择性凝固
    • EP2210575A2
    • 2010-07-28
    • EP10000476.1
    • 2001-06-01
    • The General Hospital Corporation
    • Lin, Charles P.
    • A61F9/008
    • A61B18/20A61B2017/00057A61B2018/00636A61B2018/00642A61F9/008A61F9/00821A61F2009/00844A61F2009/00855A61F2009/00863A61F2009/00897
    • Selective photocoagulation of particular cells, tissue or portion of tissue can be aided by monitoring microcavitation within the material exposed to electromagnetic radiation (12). The information gained by the detection of microcavitation events can be used to modulate the intensity of the radiation (12) to prevent significant thermal energy transmission and mechanical damage to cells, tissues or portions of tissues which are not directly exposed, but prone to thermal damage by such energy transmission. Detection of microcavitation also serves as a valuable therapeutic endpoint. The methods of the invention are applicable to laser eye surgery, since the target cells of several therapeutic photocoagulation methods, the retinal pigment epithelial (RPE) cells are proximate to photoreceptor cells. The inventive methods can help prevent the formation of blind spots that can be associated with laser eye surgery. Other fields of laser surgery can also be readily adapted to the methods described herein.
    • 特定细胞,组织或组织部分的选择性光凝可以通过监测暴露于电磁辐射的材料中的微气蚀来辅助(12)。 通过检测微蚀刻事件获得的信息可用于调制辐射强度(12),以防止对细胞,组织或组织的显着的热能传递和机械损伤,这些组织或组织部分不直接暴露,但容易发生热损伤 通过这种能量传输。 微腔的检测也可作为有价值的治疗终点。 本发明的方法适用于激光眼科手术,因为几种治疗性光凝方法的靶细胞,视网膜色素上皮(RPE)细胞接近感光细胞。 本发明的方法可以帮助防止形成与激光眼科手术有关的盲点。 激光手术的其他领域也可以容易地适应于本文所述的方法。