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    • 3. 发明授权
    • Radiation therapy techniques using targeted wave superposition, magnetic field direction and real-time sensory feedback
    • 使用靶向波叠加,磁场方向和实时感觉反馈的放射治疗技术
    • US09381379B2
    • 2016-07-05
    • US14612285
    • 2015-02-02
    • Christopher V. Beckman
    • Christopher V. Beckman
    • A61N5/10
    • A61N5/1084A61B2090/0481A61N5/1077A61N2005/1094A61N2005/1096
    • New techniques for radiotherapy and radiosurgery are provided. In some aspects of the invention, multiple sources of radiation with characteristics that are projected to constructively interfere at a treatment target are provided. In other aspects, hardware directs multiple radiation sources from the same side of a treatment target, and focuses the initiation of substantial interference on a leading structure in the target. In other aspects, refractive models updated by live feedback are used to improve dosage distribution by, among other things, optimizing the number, length, superposition, overlap, angle and nature of radiation beams. In additional aspects, interstitial beacons and radiation path diversion structures are inserted to improve dosage distribution to a target and avoid critical neighboring structures. In particle therapy, regionally actuable external magnetic fields are also provided, to improve dosage accuracy and avoid collateral damage.
    • 提供放射治疗和放射外科的新技术。 在本发明的一些方面,提供了具有预期在治疗目标上建设性干扰的特征的多个辐射源。 在其他方面,硬件从治疗目标的同一侧引导多个辐射源,并且将目标上的引导结构的实质性干扰集中起来。 在其他方面,通过实时反馈更新的折射模型用于通过优化辐射束的数量,长度,叠加,重叠,角度和性质来改善剂量分布。 在另外的方面,插入间质信标和辐射路径转移结构以改善对目标的剂量分布并避免关键的相邻结构。 在颗粒治疗中,还提供了区域可致动的外部磁场,以提高剂量准确度并避免附带损伤。
    • 9. 发明申请
    • COMPENSATOR-BASED BRACHYTHERAPY
    • 基于补偿器的BRACHYTHERAPY
    • US20140249406A1
    • 2014-09-04
    • US14072270
    • 2013-11-05
    • UNIVERSITY OF IOWA RESEARCH FOUNDATION
    • Ryan FlynnYusung KimXing LiKee-Ho Yuen
    • A61N5/10
    • A61N5/1001A61N5/1014A61N2005/1012A61N2005/1096
    • Compensator-based brachytherapy (CBT) for treatment of cancerous tumors or other pathologic tissues. CBT permits, in one aspect, increased dosage conformity for non-radially symmetric tumors by utilizing a device that can shield radiation emanated from an electronic brachytherapy (BT) source or non-electronic BT source. The device can comprise, in one aspect, a radiation compensator having a treated surface that comprises a position-dependent thickness based at least on a radiation therapy plan specific to a patient and geometry of a patient region to be treated. In an additional or alternative aspect, the device can comprise a source of radiation movably inserted into an enclosure coupled to the radiation compensator. As part of CBT, in one implementation, the radiation source can reside at a plurality of locations within the radiator compensator during a respective plurality of dwell times based on the radiation therapy plan.
    • 用于治疗癌性肿瘤或其他病理组织的基于补偿剂的近距离放射治疗(CBT)。 CBT允许在一个方面通过利用可以屏蔽从电子近距离放射治疗(BT)源或非电子BT源发出的辐射的装置来增加非径向对称肿瘤的剂量一致性。 在一个方面,该装置可以包括具有经处理的表面的辐射补偿器,该处理的表面至少基于患者特有的放射治疗计划和待治疗的患者区域的几何形状包括位置依赖性厚度。 在附加或替代方面,该装置可以包括可移动地插入耦合到辐射补偿器的外壳中的辐射源。 作为CBT的一部分,在一个实施方案中,辐射源可以在基于辐射治疗计划的相应的多个停留时间期间驻留在辐射器补偿器内的多个位置处。
    • 10. 发明授权
    • Multi-leaf collimator, particle beam therapy system, and treatment planning apparatus
    • 多叶准直器,粒子束治疗系统和治疗计划装置
    • US08754386B2
    • 2014-06-17
    • US13696931
    • 2010-08-17
    • Takaaki Iwata
    • Takaaki Iwata
    • A61N5/10G21K1/02
    • A61N5/1045A61N5/103A61N5/1042A61N5/1043A61N2005/1087A61N2005/1095A61N2005/1096G21K1/046
    • There are provided a leaf row (5C) in which a plurality of leaf plates (5L) are arranged in the thickness direction of the row (5C) in such a way that respective end faces (EL) of the leaf plates (5L) are trued up, and a leaf plate drive mechanism (5D) that drives each of the plurality of leaf plates (5L) in such a way that the end face (EL) approaches or departs from a beam axis (XB). In each of the leaf plates (5L), a facing side (PL) facing a leaf plate that is adjacent to that leaf plate in the thickness direction is formed of a plane (Psa) including a first axis (Asa) on the beam axis (XB); the leaf plate drive mechanism (5D) drives the leaf plate (5L) along a circumferential orbit (OL) around the second axis (Asb), on the beam axis (XB), that is perpendicular to the beam axis (XB) and the first axis (Asa).
    • 设置有叶片(5C),其中多个叶板(5L)沿着行(5C)的厚度方向布置成使叶板(5L)的各个端面(EL)为 以及以端面(EL)接近或离开光束轴线(XB)的方式驱动多个叶板(5L)中的每一个的叶板驱动机构(5D)。 在每个叶板(5L)中,在厚度方向上与该板板相邻的面板(PL)的面对侧(PL)由在轴线上包括第一轴线(Asa)的平面(Psa)形成 (XB); 叶板驱动机构(5D)沿垂直于梁轴(XB)的梁轴(XB)上沿第二轴线(Asb)的圆周轨道(OL)驱动叶板(5L),并且 第一轴(Asa)。