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    • 9. 发明授权
    • Radio frequency coil device and magnetic resonance imaging apparatus
    • 射频线圈装置和磁共振成像装置
    • US09291688B2
    • 2016-03-22
    • US13781338
    • 2013-02-28
    • Weng Ming LiJian Min WangLan WangZhi Bin Li
    • Weng Ming LiJian Min WangLan WangZhi Bin Li
    • G01R33/34G01R33/3415G01R33/36
    • G01R33/34092G01R33/3415G01R33/3664
    • An RF coil device and an MRI apparatus allowing a connection relationship between input RF channels and output RF channels to be controlled by a smaller number of switch elements are provided. The RF coil device includes multiple coil segments and a multi-selection switch. Input terminals of the multi-selection switch are each connected to a different coil segment. An output terminal of the multi-selection switch leads to an RF output channel. A control terminal of the multi-selection switch is used to receive a control signal so as to select a coil segment for connection to the output terminal. Multiple coil segments connected to the input terminals are not in consecutive positions, and the number of coil segments by which any two of the multiple coil segments are spaced apart is no fewer than the maximum number of coil segments required for one MRI imaging less 1. The MRI apparatus includes the RF coil device.
    • 提供了允许输入RF信道和输出RF信道之间的连接关系由较少数量的开关元件控制的RF线圈装置和MRI装置。 RF线圈装置包括多个线圈段和多选择开关。 多选择开关的输入端子各自连接到不同的线圈段。 多选择开关的输出端子通向RF输出通道。 多选择开关的控制端子用于接收控制信号,以选择用于连接到输出端子的线圈段。 连接到输入端子的多个线圈段不在连续位置,并且多个线圈段中的任何两个间隔开的线圈段的数量不小于一个MRI成像所需的最大线圈段数少1。 MRI装置包括RF线圈装置。