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    • 1. 发明公开
    • Transmission line apparatus for travelling wave MRI
    • ÜbertragungsleitungsvorrichtungfürWanderwellen-MRI
    • EP2500739A1
    • 2012-09-19
    • EP11158206.0
    • 2011-03-15
    • Deutsches KrebsforschungszentrumKarlsruher Institut für Technologie
    • Müller, MarcoUmathum, ReinerAlt, StefanBock, MichaelWerner, Wiesbeck
    • G01R33/345G01R33/48
    • G01R33/3453G01R33/3456G01R33/4802
    • A transmission line array (106, 106', 106") for magnetic resonance imaging of an object (100) to be imaged comprising a plurality of transmission line elements (118) is proposed, wherein the plurality of transmission line elements (118) are arranged in a generally cylindrical configuration having an arbitrarily chosen longitudinal (Z) length (108, 112, 124). Furthermore, a method for creating a radio-frequency excitation field for magnetic resonance imaging using a transmission line array (106, 106', 106") comprising transmission line elements (118) in a generally cylindrical configuration is proposed, wherein the method includes the steps:
      a) positioning said transmission line array (106, 106', 106") having an arbitrarily chosen longitudinal (Z) length around an object (100) to be imaged or selectively around a section of said object (100) to be imaged,
      b) coupling-in a radio-frequency signal to said transmission line array (106, 106', 106"),
      c) transmitting and/or receiving travelling radio-frequency waves through said transmission line array (106, 106', 106").
    • 提出一种传输线阵列(106,106',106“),用于对包含多个传输线元件(118)的成像对象(100)进行磁共振成像,其中多个传输线元件(118)是 布置成具有任意选择的纵向(Z)长度(108,112,124)的大致圆柱形构造。此外,使用传输线阵列(106,106',...)创建用于磁共振成像的射频激励场的方法, 提出了包括大致圆柱形结构的传输线元件(118)的方法,其中该方法包括以下步骤:a)将具有任意选择的纵向(Z)长度的所述传输线阵列(106,106',106“)定位 围绕要成像的所述物体(100)的一部分成像或选择性地围绕物体(100),b)将射频信号耦合到所述传输线阵列(106,106',106“),c )发送和/或接收travellin g的射频波通过所述传输线阵列(106,106',106“)。