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    • 4. 发明申请
    • SYSTEM AND METHOD FOR ESTIMATING AND MANIPULATING ESTIMATED RADIATION DOSE
    • 用于估计和操作估计辐射剂量的系统和方法
    • US20130102830A1
    • 2013-04-25
    • US13806677
    • 2011-06-22
    • Karl Otto
    • Karl Otto
    • A61N5/10
    • A61N5/1031A61N5/00A61N5/10G01T1/29H05K999/00
    • Methods are provided for permitting manipulation of an achievable dose distribution estimate deliverable by a radiation delivery apparatus for proposed treatment of a subject. One such method comprises: determining a dose modification voxel for which it is desired to modify the dose value and a corresponding magnitude of desired dose modification; for each of a plurality of beams: (i) characterizing the beam as a two-dimensional array of beamlets, wherein each beamlet is associated with a corresponding intensity value and a ray line representing the projection of the beamlet into space; and (ii) identifying one or more dose-change beamlets which have associated ray lines that intersect the dose modification voxel; modifying the intensity values of at least one of the dose-change beamlets; and updating the achievable dose distribution estimate to account for the modified intensity values of the at least one of the dose-change beamlets.
    • 提供了用于允许操纵由辐射递送装置输送的用于建议的受试者治疗的可实现的剂量分布估计的方法。 一种这样的方法包括:确定期望修饰剂量值的剂量修饰体素和所需剂量修饰的相应量级; 对于多个波束中的每一个:(i)将波束表征为子波束的二维阵列,其中每个子波束与对应的强度值相关联,并且射线代表子束进入空间的投影; 和(ii)识别具有与剂量修改体素相交的相关联的射线的一个或多个剂量变化子束; 修改至少一个剂量变化子束的强度值; 以及更新所述可实现的剂量分布估计以考虑所述剂量变化子束中的至少一个的修改的强度值。
    • 9. 发明授权
    • Systems and methods for optimization of on-line adaptive radiation therapy
    • 在线自适应放射治疗优化的系统和方法
    • US08073103B2
    • 2011-12-06
    • US12374788
    • 2007-07-27
    • Karl OttoAnte Mestrovic
    • Karl OttoAnte Mestrovic
    • A61N5/10
    • A61N5/1042A61B6/022A61B6/5241A61N5/1038A61N5/1067
    • Methods and systems are disclosed for radiation treatment of a subject involving one or more fractional treatments. A fractional treatment comprises: obtaining fractional image data pertaining to a region of interest of the subject; performing a fractional optimization of a radiation treatment plan to determine optimized values of one or more radiation delivery variables based at least in part on the fractional image data; and delivering a fraction of the radiation treatment plan to the region of interest using the optimized values of the one or more radiation delivery variables as one or more corresponding parameters of the radiation treatment plan. A portion of performing the fractional optimization overlaps temporally with a portion of at least one of: obtaining the fractional image data and delivering the fraction of the radiation treatment plan.
    • 公开了涉及一个或多个分数处理的受试者的放射治疗的方法和系统。 分数处理包括:获得与受试者的感兴趣区域有关的分数图像数据; 执行辐射治疗计划的分数优化以至少部分地基于分数图像数据来确定一个或多个辐射递送变量的优化值; 以及使用所述一个或多个辐射递送变量的优化值作为所述辐射治疗计划的一个或多个对应参数将所述辐射治疗计划的一部分递送到感兴趣区域。 执行分数优化的一部分与以下至少一个的一部分在时间上重叠:获得分数图像数据并递送辐射处理计划的分数。