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    • 2. 发明专利
    • Drive control method for magnetic resonance system and control apparatus, magnetic resonance system and computer program
    • 磁共振系统和控制装置,磁共振系统和计算机程序的驱动控制方法
    • JP2013078588A
    • 2013-05-02
    • JP2012222462
    • 2012-10-04
    • Siemens Agシーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft
    • BIBER STEPHANGREIM HELMUTNISTLER JUERGENSPECKNER THORSTEN
    • A61B5/055G01R33/36
    • G01R33/583G01R33/341
    • PROBLEM TO BE SOLVED: To provide an improved method for drive control of a magnetic resonance system and its befitting control apparatus.SOLUTION: In a test phase before magnetic resonance measurement, a test high-frequency pulse having plural parallel individual high-frequency pulses is transmitted by a transmitting antenna device via various high-frequency transmitting channels. Here, the test high-frequency pulse forms a field distribution which is substantially the same as an excited high-frequency pulse transmitted during the subsequent magnetic resonance measurement with a comparatively small transmitting output, and the high-frequency field formed by the test high-frequency pulse is measured in at least one area of a local coil device, and the prospective high-frequency filed value is calculated in the local coil apparatus based on the measured high-frequency field during the subsequent magnetic resonance measurement, and the magnetic resonance system is drive-controlled with consideration for the high-frequency field value during the subsequent magnetic resonance measurement.
    • 要解决的问题:提供一种用于磁共振系统及其适配控制装置的驱动控制的改进方法。 解决方案:在磁共振测量之前的测试阶段,具有多个并联的单个高频脉冲的测试高频脉冲由发射天线装置通过各种高频发射信道发送。 这里,测试高频脉冲形成与发射相对较小的后续磁共振测量期间发射的激发的高频脉冲大致相同的场分布,由测试高频脉冲形成的高频场, 在本地线圈装置的至少一个区域中测量频率脉冲,并且基于在随后的磁共振测量期间测量的高频场在局部线圈装置中计算预期的高频场值,并且磁共振系统 在随后的磁共振测量期间考虑高频场值来驱动控制。 版权所有(C)2013,JPO&INPIT