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    • 1. 发明申请
    • SEMANTIC RADIATION TREATMENT PLAN OPTIMIZATION GUIDANCE
    • 语义辐射治疗计划优化指导
    • WO2013049845A3
    • 2013-05-23
    • PCT/US2012058355
    • 2012-10-01
    • VARIAN MEDICAL SYSTEMS INT AGTOIMELA LASSENORD JANNEZANKOWSKI COREY
    • TOIMELA LASSENORD JANNEZANKOWSKI COREY
    • A61N5/00G06Q50/22
    • A61N5/1031A61N2005/1041
    • A method for radiation therapy treatment plan optimization, comprising generating a first radiation therapy treatment plan for a patient using a selected treatment type from a database and optimizing the first radiation therapy treatment plan. A selection of metrics from the first radiation therapy treatment plan are identified and compared to metrics from aggregated prior patient records selected from the database. At least one parameter is identified that affects the ability of the first radiation therapy treatment plan to meet an identified metric. The at least one parameter is defined with a single, clinically meaningful, human understandable language statement. The at least one parameter for the identified metric is compared to at least one parameter for a competing metric and at least one alternative treatment step for the treatment plan is determined that will change the identified at least one parameter to improve the identified metric. The at least one alternative treatment step is expressed in clinically meaningful, human understandable language.
    • 一种用于放射疗法治疗计划优化的方法,包括使用来自数据库的选择的治疗类型为患者生成第一放射疗法治疗计划并优化第一放射疗法治疗计划。 识别来自第一放射疗法治疗计划的一系列指标并将其与来自数据库中选择的聚集的先前患者记录的指标进行比较。 识别至少一个参数,其影响第一放射疗法治疗计划满足所识别的度量的能力。 至少一个参数用单一的临床上有意义的,人类可理解的语言陈述来定义。 将针对所识别的度量的所述至少一个参数与针对竞争性度量的至少一个参数进行比较,并且确定将改变所识别的至少一个参数以改善所识别的度量的治疗计划的至少一个替代治疗步骤。 至少一个替代治疗步骤以临床上有意义的,人类可理解的语言表达。
    • 3. 发明公开
    • METHOD AND APPARATUS PERTAINING TO MULTI-STAGE RADIATION-TREATMENT PLAN OPTIMIZATION
    • VERFAHREN UND VORRICHTUNG ZUR OPTIMIERUNG EINES MEHRSTUFIGEN STRAHLUNGSBEHANDLUNGSPLANS
    • EP2758128A4
    • 2015-06-03
    • EP12834356
    • 2012-09-20
    • VARIAN MEDICAL SYSTEMS INT AGVARIAN MEDICAL SYSTEMS CANADA INC
    • NORD JANNEARCHAMBAULT YVES
    • A61N5/00A61N5/10G06Q50/22
    • A61N5/1031
    • A control circuit employs at least two optimization stages while developing a radiation-treatment plan. During a first optimization stage the control circuit uses a first radiation-treatment plan optimization process that employs user-selected constraints to provide general plan results. During this first optimization stage the control circuit then provides one or more opportunities for a user to modify those user-selected constraints to thereby influence the general plan results. Eventually, this first optimization stage identifies a set of resultant user-selected constraints. During the second optimization stage the control circuit then uses a second radiation-treatment plan optimization process that employs the aforementioned resultant user-selected constraints to provide an optimized radiation-treatment plan.
    • 控制电路在开发放射治疗计划时采用至少两个优化阶段。 在第一优化阶段期间,控制电路使用采用用户选择的约束来提供总体计划结果的第一辐射处理计划优化过程。 在该第一优化阶段期间,控制电路为用户提供一个或多个机会来修改这些用户选择的约束从而影响总体计划结果。 最终,该第一优化阶段标识一组由此产生的用户选择的约束。 在第二优化阶段期间,控制电路然后使用第二辐射处理计划优化过程,其采用前述的所得到的用户选择的约束来提供优化的辐射处理计划。
    • 8. 发明申请
    • TRAJECTORY OPTIMIZATION METHOD
    • TRAJECTORY优化方法
    • WO2010025115A8
    • 2010-10-21
    • PCT/US2009054807
    • 2009-08-24
    • VARIAN MED SYS TECH INCNORD JANNEPELTOLA JARKKO
    • NORD JANNEPELTOLA JARKKO
    • A61N5/10H05G1/42
    • A61N5/1031A61N5/1047G06Q50/22
    • A method for determining a radiation treatment plan includes defining a part of a treatment using control points, defining dose calculation points, calculating dose in the dose calculation points, and changing a number of the dose calculation points. A method for determining a radiation treatment plan includes modeling a first part of a treatment plan using a fluence map, and modeling a second part of the treatment plan using a first machine parameter. A method for determining a radiation treatment plan includes determining a plurality of dose calculation points, determining a level of complexity of fluence for one of the plurality of dose calculation points, and converting a fluence map to one or more machine parameters for the one of the plurality of dose calculation points based on the determined level of complexity.
    • 用于确定放射治疗计划的方法包括使用控制点定义治疗的一部分,定义剂量计算点,计算剂量计算点中的剂量,以及改变剂量计算点的数量。 用于确定放射治疗计划的方法包括使用注量图来建模治疗计划的第一部分,以及使用第一机器参数对治疗计划的第二部分建模。 一种用于确定辐射治疗计划的方法包括:确定多个剂量计算点,确定所述多个剂量计算点中的一个剂量计算点的能量密度的复杂程度,以及将注量图转换为所述多个剂量计算点中的一个的一个或多个机器参数 基于确定的复杂程度的多个剂量计算点。