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    • 29. 发明专利
    • Particle therapy planning apparatus and particle therapy system
    • 颗粒治疗计划设备和颗粒治疗系统
    • JP2012223259A
    • 2012-11-15
    • JP2011091660
    • 2011-04-18
    • Hitachi Ltd株式会社日立製作所
    • FUJITAKA SHINICHIROFUJII YUSUKEFUJIMOTO RINTAROHIRAMOTO KAZUOAKIYAMA HIROSHI
    • A61N5/10
    • A61N5/1043A61N5/1036A61N5/1045A61N2005/1087
    • PROBLEM TO BE SOLVED: To efficiently utilize charged particle beams while reducing treatment time, in uniform scanning or in conformal layer stacking irradiation.SOLUTION: In uniform scanning, a therapy planning apparatus calculates an optimum charged particle beam scan path for uniformly irradiating a collimator aperture area. In the conformal layer stacking irradiation, the therapy planning apparatus calculates for each layer an optimum charged particle beam scan path for uniformly irradiating the multi-leaf collimator aperture area of each layer of a layered affected area. Alternatively, a minimum irradiation field size that covers the multi-leaf collimator aperture area of each layer is calculated by the therapy planning apparatus, and a charged particle beam scan path corresponding to the irradiation field size, stored in a memory of a particle beam therapy control apparatus, is selected. The charged particle beam scan path in the lateral directions is optimally changed in conformity with the collimator aperture area in the uniform scanning or in each layer in the conformal layer stacking irradiation.
    • 要解决的问题:为了有效地利用带电粒子束,同时减少处理时间,均匀扫描或共形层堆叠照射。 解决方案:在均匀扫描中,治疗计划装置计算用于均匀照射准直器孔径面积的最佳带电粒子束扫描路径。 在保形层堆叠照射中,治疗计划装置针对各层计算用于均匀照射分层受影响区域的各层的多叶准直器开口面积的最佳带电粒子束扫描路径。 或者,通过治疗计划装置计算覆盖各层的多叶准直器开口面积的最小照射场尺寸,以及存储在粒子束疗法的存储器中的照射场尺寸对应的带电粒子束扫描路径 控制装置。 横向上的带电粒子束扫描路径根据均匀扫描中的准直器开口面积或保形层堆积照射中的每层中的最佳变化。 版权所有(C)2013,JPO&INPIT