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    • 134. 发明申请
    • MAGNETIC RESONANCE IMAGING AND RADIOTHERAPY APPARATUS WITH AT LEAST TWO-TRANSMIT-AND RECEIVE CHANNELS
    • 磁共振成像和放射治疗装置与至少两个发射和接收通道
    • WO2012063162A1
    • 2012-05-18
    • PCT/IB2011/054858
    • 2011-11-02
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HARVEY, Paul Royston
    • HARVEY, Paul Royston
    • G01R33/48A61N5/10A61B5/055
    • A61B5/055A61B5/0037A61B5/0555A61N5/1049A61N5/1065A61N5/1069A61N2005/1055A61N2005/1056G01R33/3806G01R33/4808G01R33/4812
    • A therapeutic apparatus (500, 600) comprising a radiotherapy apparatus (502) for treating a target zone (318, 536) and a magnetic resonance imaging system (510, 532, 44, 602) for acquiring magnetic resonance imaging data (624). The radiotherapy apparatus comprises a radiotherapy source (300, 302, 304, 504) for directing electromagnetic radiation (310, 312, 314, 508) into the target zone. The radiotherapy apparatus is adapted for rotating the radiotherapy source at least partially around the magnetic resonance magnet. The magnetic resonance imaging system further comprises a radio-frequency transceiver (532) adapted for simultaneously acquiring the magnetic resonance data from at least two transmit- and-receive channels (528, 530). The therapeutic apparatus further comprises a processor (614) and a memory(620) containing machine executable instructions (636, 638, 640, 642, 644) for the processor. Execution of the instructions causes the processor to: calibrate(100, 200) the transmit-and-receive channels; acquire (102, 202) the magnetic resonance data; reconstruct (104, 204) a magnetic resonance image (626); register (106, 206) a location (628) of the target zone in the image; and generate (108, 208) radiotherapy control signals (630) using the registered image.
    • 一种治疗装置(500,600),包括用于治疗目标区域(318,536)的放射治疗装置(502)和用于获取磁共振成像数据(624)的磁共振成像系统(510,532,44,602)。 放射治疗装置包括用于将电磁辐射(310,312,314,508)引导到目标区域中的放射治疗源(300,302,304,504)。 放射治疗装置适于至少部分地围绕磁共振磁体旋转放射源。 磁共振成像系统还包括适于同时从至少两个发射和接收通道(528,530)获取磁共振数据的射频收发器(532)。 治疗装置还包括处理器(614)和包含用于处理器的机器可执行指令(636,638,640,642,644)的存储器(620)。 执行指令会导致处理器:校准(100,200)发送和接收通道; 获取磁共振数据(102,202); 重建(104,204)磁共振图像(626); 寄存器(106,206)图像中的目标区域的位置(628); 以及使用所述登记图像生成(108,208)放射治疗控制信号(630)。
    • 136. 发明申请
    • CHARGED PARTICLE IRRADIATION DEVICE AND METHOD
    • 充电颗粒辐照装置和方法
    • WO2011121037A1
    • 2011-10-06
    • PCT/EP2011/054940
    • 2011-03-30
    • ION BEAM APPLICATIONSCLAEREBOUDT, YvesSAIVE, Gregory
    • CLAEREBOUDT, YvesSAIVE, Gregory
    • A61N5/10
    • A61N5/00A61N5/1043A61N5/1048A61N5/1065A61N2005/1074A61N2005/1087
    • A charged particle irradiation device (10) and method for irradiating a target volume (50), adapted for receiving a treatment plan (70) defining a series of prescribed irradiation points (140) having each a prescribed dose to be delivered, comprising an irradiation unit (40) having at least one scanning magnet (100; 110), and at least one beam position monitor (130) installed in between the said scanning magnet (100; 1 10) and said target volume (50). A controller (80) comprises means for calculating for any said prescribed irradiation point corresponding nominal magnetic settings of the scanning magnet such that a beam (90) is pointing to said prescribed irradiation point when corresponding magnetic settings are applied, and for calculating corresponding expected position at said beam position monitor (130) The controller (80) further comprises a) means for selecting a tuning reference point from said series of prescribed irradiation points; b) means for specifying a prescribed tuning dose to be given to said selected tuning reference point, said prescribed tuning dose being equal or smaller than the said prescribed dose at said selected tuning reference point; c) means for comparing a beam position provided by the beam position monitor (130) and the expected position at said beam position monitor (130) for said selected tuning reference point; d) means for computing a first correction to be applied to said nominal magnetic settings of the scanning magnet (100; 110) in order to align the beam position provided by the beam position monitor to the expected position at said beam position monitor (130) for said selected tuning reference point; e) means for correcting the nominal magnetic settings of the scanning magnet for all said prescribed irradiation points according to said first correction.
    • 一种带电粒子照射装置(10)和用于照射适于接收限定一系列具有规定的待分配剂量的规定照射点(140)的处理计划(70)的目标体积(50)的方法,包括照射 具有至少一个扫描磁体(100; 110)的单元(40)和安装在所述扫描磁体(100,110)和所述目标体积(50)之间的至少一个光束位置监视器(130)。 控制器(80)包括用于计算对应于所述扫描磁体的所述规定照射点的相应的标称磁性设置的装置,使得当应用相应的磁性设置时,光束(90)指向所述规定的照射点,并且用于计算相应的预期位置 在所述光束位置监视器(130)处,所述控制器(80)还包括:a)用于从所述一系列规定照射点选择调谐参考点的装置; b)用于指定给予所述选择的调谐参考点的规定调谐剂量的装置,所述规定调谐剂量等于或小于所述选定调谐参考点处的所述规定剂量; c)用于将由所述光束位置监视器(130)提供的光束位置与所述光束位置监视器(130)对于所述选定调谐参考点的预期位置进行比较的装置; d)用于计算要应用于所述扫描磁体(100; 110)的所述标称磁性设置的第一校正以便将由所述光束位置监视器提供的光束位置对准所述光束位置监视器(130)处的预期位置的装置, 对于所述选择的调谐参考点; e)根据所述第一校正用于校正所有所述规定照射点的扫描磁体的标称磁性设置的装置。