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1. 发明申请

US20160136461A1 PARTICLE BEAM THERAPY SYSTEM 有权
标题翻译：颗粒束治疗系统
公开(公告)号：US20160136461A1
公开(公告)日：2016-05-19
申请号：US14903177
申请日：2013-11-21
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Takaaki IWATA , Hisashi HARADA , Masahiro IKEDA , Yuehu PU
IPC分类号： A61N5/10
CPC分类号： A61N5/1079 , A61N5/1067 , A61N5/1068 , A61N2005/1074 , A61N2005/1087
摘要： In the particle beam therapy system, a beam transport system includes a beam-path changer for changing a beam path so as to transport a charged particle beam to any one of the plurality of particle beam irradiation apparatuses; and a treatment management device includes a beam-path controller that generates an emitter control signal for controlling an emitter of an accelerator and a beam-path changer control signal for controlling the beam-path changer so that, with respect to the plurality of particle beam irradiation apparatuses in which treatment is performed at the same treatment period of time, the charged particle beam is transported to each one of the plurality of particle beam irradiation apparatuses for each time period allocated thereto.
摘要翻译：在粒子束治疗系统中，束输送系统包括用于改变光束路径以将带电粒子束传送到多个粒子束照射装置中的任一个的光束路径变换器; 并且治疗管理装置包括产生用于控制加速器的发射器的发射器控制信号的光束路径控制器和用于控制光束路径变换器的光束路径变换控制信号，使得相对于多个粒子束在相同的处理时间段进行处理的照射装置，在分配给其的每个时间段中，将带电粒子束传送到多个粒子束照射装置中的每一个。

2. 发明申请

US20140374624A1 SENSITIVITY CORRECTION METHOD FOR DOSE MONITORING DEVICE AND PARTICLE BEAM THERAPY SYSTEM 有权
标题翻译：用于剂量监测装置和颗粒束治疗系统的灵敏度校正方法
公开(公告)号：US20140374624A1
公开(公告)日：2014-12-25
申请号：US14478143
申请日：2014-09-05
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Toshihiro OTANI , Hisashi HARADA , Masahiro IKEDA , Kazushi HANAKAWA , Taizo HONDA
IPC分类号： H01J37/304 , A61N5/10 , H01J47/02
CPC分类号： H01J37/304 , A61N5/1048 , A61N5/1071 , A61N5/1077 , A61N2005/1087 , H01J47/02
摘要： In a particle beam therapy system which scans a particle beam and irradiates the particle beam to an irradiation position of an irradiation subject and has a dose monitoring device for measuring a dose of the particle beam and an ionization chamber smaller than the dose monitoring device, the ionization chamber measuring a dose of a particle beam passing through the dose monitoring device, the dose of the particle beam irradiated by the dose monitoring device is measured; the dose of the particle beam passing through the dose monitoring device is measured by the small ionization chamber; and a correction coefficient of the dose measured by the dose monitoring device corresponding to the irradiation position is found based on the dose of the particle beam measured by the small ionization chamber.
摘要翻译：在粒子束治疗系统中，扫描粒子束并将粒子束照射到照射对象的照射位置，并且具有用于测量粒子束的剂量和小于剂量监测装置的电离室的剂量监测装置，电离室测量通过剂量监测装置的粒子束的剂量，测量由剂量监测装置照射的粒子束的剂量; 通过小电离室测量通过剂量监测装置的粒子束的剂量; 并且基于由小电离室测量的粒子束的剂量，求出由与照射位置对应的剂量监测装置测量的剂量的校正系数。

3. 发明申请

US20150328483A1 PARTICLE THERAPY APPARATUS 审中-公开
标题翻译：颗粒治疗装置
公开(公告)号：US20150328483A1
公开(公告)日：2015-11-19
申请号：US14653185
申请日：2013-02-22
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Shuhei ODAWARA , Hisashi HARADA , Masahiro IKEDA , Kengo SUGAHARA
IPC分类号： A61N5/10
CPC分类号： A61N5/1081 , A61N2005/1087 , H05H7/04 , H05H2007/008 , H05H2007/046 , H05H2007/048
摘要： A particle therapy apparatus has a rotating gantry configured in such a way that an irradiation device is rotated around a rotation axis and a particle beam is irradiated onto an irradiation subject; the rotating gantry is provided with an entrance-side deflection electromagnet having a deflection path for radially deflecting the particle beam supplied along the rotation axis so as to guide the particle beam to the irradiation device and a straight path that is switchable with the deflection path and is for making the supplied particle beam travel in a straight manner; there are provided trajectory correcting devices having two position sensors that are arranged along the rotation axis so as to flank the entrance-side deflection electromagnet.
摘要翻译：粒子治疗装置具有旋转台架，其构造为使得照射装置绕旋转轴线旋转，并且将粒子束照射到照射对象上; 旋转机架设置有入射侧偏转电磁体，该入射侧偏转电磁体具有用于使沿着旋转轴线供应的粒子束径向偏转的偏转路径，以将粒子束引导到照射装置，以及可与偏转路径切换的直线路径，用于使供应的粒子束以直线方式行进; 提供了具有两个位置传感器的轨迹校正装置，该位置传感器沿旋转轴线布置，以便在入口侧偏转电磁体的侧面。

4. 发明申请

US20160325116A1 PARTICLE BEAM IRRADIATION APPARATUS 有权
标题翻译：颗粒光束辐射装置
公开(公告)号：US20160325116A1
公开(公告)日：2016-11-10
申请号：US15110600
申请日：2014-01-10
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Yusuke SAKAMOTO , Yuehu PU , Hisashi HARADA , Taizo HONDA
IPC分类号： A61N5/10
CPC分类号： A61N5/1043 , A61N5/1044 , A61N5/1071 , A61N2005/1087
摘要： In a particle beam irradiation apparatus that controls a scanning apparatus so that each irradiation position is irradiated with a particle beam a rescan-count number of times by repeating for the rescan-count number of times the irradiation of all irradiation positions in the irradiation target, the irradiation apparatus includes a calculator that receives either one of a rescan count n or a beam intensity J that is a particle beam dose per unit time, to calculate a maximum value of the other satisfying the following conditional expression (P1) for all irradiation positions to present the maximum value to a user. J*ti≦di/n (P1)

5. 发明申请

US20170021197A1 PARTICLE BEAM IRRADIATION APPARATUS 有权
标题翻译：颗粒光束辐射装置
公开(公告)号：US20170021197A1
公开(公告)日：2017-01-26
申请号：US15116352
申请日：2014-04-10
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Yusuke SAKAMOTO , Yuehu PU , Hisashi HARADA , Taizo HONDA
IPC分类号： A61N5/10
CPC分类号： A61N5/1071 , A61N5/10 , A61N5/1044 , A61N5/1067 , A61N5/1077 , A61N2005/1087
摘要： A particle beam irradiation apparatus radiates a particle beam plural times per one irradiation position. A storage unit stores a dose to be radiated each of the times (divisional target dose). A dose monitor measures the dose of the particle beam radiated to the irradiation position. At the first time of radiation, a controller outputs an interruption signal when the dose measured by the dose monitor reaches the divisional target dose. The dose monitor measures a dose (excessive dose) radiated after the interruption signal is outputted until the particle beam is actually interrupted. Then, it is defined: Corrected Dose value=Divisional Target Dose−Excessive Dose Value. Instead, it may be defined: Corrected Dose value=Divisional Target Dose−Excessive Dose Estimation Value. At the second time of radiation, the controller outputs an interruption signal when the dose measured by the dose monitor reaches the corrected dose value.
摘要翻译：粒子束照射装置在每个照射位置发射多个粒子束。存储单元存储每次照射的剂量（分割目标剂量）。剂量监测器测量辐射到照射位置的粒子束的剂量。在第一次辐射时，当由剂量监测器测量的剂量达到分割目标剂量时，控制器输出中断信号。剂量监测器测量在输出中断信号直到粒子束实际中断之后辐射的剂量（过量剂量）。然后，定义：修正的剂量值=分数目标剂量 - 过量剂量值。相反，可以定义：修正的剂量值=分数目标剂量 - 过量剂量估计值。在第二次辐射时，当由剂量监测器测量的剂量达到校正剂量值时，控制器输出中断信号。

6. 发明申请

US20160008631A1 PARTICLE THERAPY DEVICE AND METHOD FOR SETTING DOSE CALIBRATION FACTOR 有权
标题翻译：颗粒治疗装置和设定剂量校准因子的方法
公开(公告)号：US20160008631A1
公开(公告)日：2016-01-14
申请号：US14771444
申请日：2013-06-06
申请人： Mitsubishi Electric Corporation
发明人： Hisashi HARADA , Masahiro IKEDA , Osamu TAKAHASHI , Nobuhiko INA , Yuehu PU , Takaaki IWATA
IPC分类号： A61N5/10
CPC分类号： A61N5/1067 , A61N5/1071 , A61N5/1075 , A61N2005/1076 , A61N2005/1087
摘要： An irradiation apparatus radiates a particle beam after forming the beam for plural layers. A dose monitor measures a dose in real time. A dose evaluation unit evaluates an irradiation dose for each layer on the basis of a value measured by the dose monitor and a dose calibration factor set for each layer. An irradiation control section performs radiation control for each layer on the basis of an evaluation result of the dose evaluation unit. An interpolation value generation unit uses actual-measurement dose-calibration factors obtained by radiating a particle beam to a simulated phantom provided with a calibration dosimeter, to generate an interpolation estimation value of the dose calibration factor. For each layer subject to the interpolation value, and based on an irradiation condition of that layer, the interpolation value generation unit performs weighting on each of the actual-measurement dose-calibration factors.
摘要翻译：照射装置在形成多层的光束之后照射粒子束。剂量监测器实时测量剂量。剂量评估单元基于由剂量监测器测量的值和为每层设置的剂量校准因子来评估每层的照射剂量。照射控制部根据剂量评价部的评价结果对各层进行放射线控制。内插值生成单元使用通过将粒子束照射到设置有校准剂量计的模拟体模而获得的实际测量剂量校准因子，生成剂量校准因子的内插估计值。对于经受内插值的每个层，并且基于该层的照射条件，内插值生成单元对每个实际测量剂量校准因子执行加权。

7. 发明申请

US20180008841A1 THERAPY PLANNING APPARATUS AND PARTICLE RADIATION THERAPY APPARATUS 审中-公开
公开(公告)号：US20180008841A1
公开(公告)日：2018-01-11
申请号：US15545123
申请日：2015-04-09
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Takaaki IWATA , Hisashi HARADA
IPC分类号： A61N5/10
CPC分类号： A61N5/103 , A61N5/10 , A61N5/1043 , A61N5/1077 , A61N5/1081 , A61N2005/1087 , A61N2005/1096
摘要： A treatment planning apparatus includes an overall data management unit for storing a target irradiation dose distribution to be formed in an irradiation object, a broad irradiation parameter calculation unit and a scanning irradiation parameter calculation unit for cooperatively calculating and determining operational parameters for devices, such as an accelerator and an irradiation nozzle, to operate during a broad irradiation and an scanning irradiation, respectively, so that the sum of irradiation doses imparted by both broad irradiation and scanning irradiation forms the target irradiation dose distribution.

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