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    • 10. 发明公开
    • HADRON THERAPY DEVICE AND MRI DEVICE HAVING MAGNETIC FIELD CORRECTING MEANS
    • 具有磁场校正装置的HADRON治疗装置和MRI装置
    • EP3306336A1
    • 2018-04-11
    • EP16192761.1
    • 2016-10-07
    • ION BEAM APPLICATIONS S.A.
    • FORTON, EricHENROTIN, Sébastien
    • G01R33/48G01R33/3875G01R33/3873A61N5/10
    • A61B5/055A61B5/0035A61N5/1039A61N5/1081A61N2005/1055A61N2005/1087G01R33/3873G01R33/3875G01R33/4808
    • Medical apparatus comprising:
      -a magnetic resonance imaging (MRI) system for acquiring magnetic resonance data from an imaging zone (Vp), wherein the magnetic resonance imaging system comprises:
      -a particle beam apparatus (1) having a particle beam line for producing, directing and managing a particle beam of charged particles,
      -magnetic correcting means (31, 31a, 31b, 31c) for applying a magnetic correction to a magnetic field perturbation within the imaging volume (Vp)
      -controlling means (33, 4) for controlling said magnetic correcting means (31, 31a, 31b, 31c),
      wherein said controlling means are configured to provide a spatially optimized magnetic correction within a restricted volume of said imaging volume (Vp) during a spatially optimized magnetic correction period (Po), said spatially optimized magnetic correction period (Po) being posterior to said excitation period (Pe), wherein a selected slice (Vpi) from the imaging volume Vp is excited, and including at least one spatial encoding period (Pp, Pf) of the pulse sequence, said restricted volume comprising said selected slice (Vpi).
    • 医疗设备,包括: - 用于从成像区(Vp)采集磁共振数据的磁共振成像(MRI)系统,其中所述磁共振成像系统包括: - 具有粒子束线的粒子束装置(1),用于产生, 引导和管理带电粒子的粒子束;磁校正装置(31,31a,31b,31c),用于对成像体积(Vp) - 控制装置(33,4)内的磁场扰动进行磁校正以控制 所述磁校正装置(31,31a,31b,31c),其中所述控制装置被配置为在空间优化磁校正周期(Po)期间在所述成像体积(Vp)的受限体积内提供空间优化的磁校正,所述 空间优化的磁校正周期(Po)在所述激发周期(Pe)之后,其中来自成像体积Vp的选定切片(Vpi)被激发,并且包括至少一个空间enc 所述脉冲序列的编码周期(Pp,Pf),所述受限的体积包括所述选择的切片(Vpi)。