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MRI SYSTEM INVOLVING A SUPERCONDUCTING MAIN MAGNET, A SUPERCONDUCTING GRADIENT FIELD COIL AND A COOLED RF COIL
MRI SYSTEM INVOLVING A SUPERCONDUCTING MAIN MAGNET, A SUPERCONDUCTING GRADIENT FIELD COIL AND A COOLED RF COIL
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机译:涉及超导主磁体,超导梯度场线圈和冷却射频线圈的MRI系统
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摘要
Methods and apparatuses for magnetic resonance imaging (MRL) and/or magnetic resonance spectroscopy comprising a superconducting main magnet operable to generate a uniform magnetic field in an examination region, at least one superconducting gradient field coil operable to apply a respective at least one magnetic field gradient within the examination region, and at least one RF coil that operable to transmit and receive radio frequency signals to and from the examination region, and that is configured for cooling and comprises at least one of (i) a non- superconducting material that when cooled to a temperature below temperature has a conductivity higher than that of copper at that temperature and (ii) a superconducting material. The main magnet, the gradient coils, and each f the at least one RF coil of a given system may each be implemented as high temperature superconductor (HTS) materials.
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