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    • 2. 发明申请
    • Acceleration of Stationary Alignment Measurements
    • 加速固定校准测量
    • US20150219453A1
    • 2015-08-06
    • US14609695
    • 2015-01-30
    • Swen CampagnaWilfried LandschutzMichael Wullenweber
    • Swen CampagnaWilfried LandschutzMichael Wullenweber
    • G01B21/22G01R33/54
    • G01B21/22G01R33/543G01R33/583
    • The embodiments relate to a method for the optimization of alignment measurements in which a MR facility is configured to a measurement object. First alignment measurements are carried out while the measurement object is being moved through the MR facility, wherein at least one MR system parameter of the MR facility is configured to the measurement object of the first alignment measurements. A second alignment measurement is also carried out in which the measurement object is stationary in a fixed position in the MR facility, wherein the second alignment measurement includes an iterative alignment method in which the at least one MR system parameter for the recording of MR signals of the measurement object is iteratively configured to the measurement object in the fixed position in the MR facility, wherein for the iterative alignment method the aligned MR system parameter is chosen from the aligned MR system parameters.
    • 实施例涉及用于优化其中MR设施被配置为测量对象的对准测量的方法。 当测量对象被移动通过MR设备时,进行第一对准测量,其中MR设施的至少一个MR系统参数被配置为第一对准测量的测量对象。 还进行第二对准测量,其中测量对象在MR设备中的固定位置处是静止的,其中第二对准测量包括迭代对准方法,其中用于记录MR信号的至少一个MR系统参数 测量对象被迭代地配置到MR设备中的固定位置中的测量对象,其中对于迭代对准方法,从对准的MR系统参数中选择对准的MR系统参数。
    • 6. 发明授权
    • Method and control device for determination of the position of a local coil in a magnetic resonance apparatus
    • 用于确定磁共振装置中局部线圈的位置的方法和控制装置
    • US07598737B2
    • 2009-10-06
    • US11592463
    • 2006-11-02
    • Swen Campagna
    • Swen Campagna
    • G01V3/00A61B5/055
    • G01R33/3415A61B5/055
    • In a method for determination of a position of a local coil on a bed in at least one spatial direction within a magnetic resonance scanner, a signal intensity value is initially, extracted from magnetic resonance measurements implemented with the appertaining local coil for acquisition of magnetic resonance images of an examination subject and/or for measurement of further system parameters at each of various positions of the recumbent bed relative to the tomograph. The functional dependency of the extracted signal intensity values on the position of the bed relative to the scanner is then determined. The position of the local coil on the bed is determined on the basis of the determined functional dependency. A corresponding control device for a magnetic resonance system and a computer program product implement the method.
    • 在用于确定磁共振扫描仪内的至少一个空间方向上的床上的局部线圈的位置的方法中,首先从利用用于获取磁共振的本地线圈实现的磁共振测量中提取信号强度值 检查对象的图像和/或用于在躺卧床相对于断层摄影机的各个位置的每个位置处测量其它系统参数。 然后确定所提取的信号强度值对床相对于扫描仪的位置的功能依赖性。 基于确定的功能依赖性确定局部线圈在床上的位置。 用于磁共振系统和计算机程序产品的相应控制装置实现该方法。
    • 7. 发明申请
    • Method and control device for determination of the position of a local coil in a magnetic resonance apparatus
    • 用于确定磁共振装置中局部线圈的位置的方法和控制装置
    • US20070103157A1
    • 2007-05-10
    • US11592463
    • 2006-11-02
    • Swen Campagna
    • Swen Campagna
    • G01V3/00
    • G01R33/3415A61B5/055
    • In a method for determination of a position of a local coil on a bed in at least one spatial direction within a magnetic resonance scanner, a signal intensity value is initially, extracted from magnetic resonance measurements implemented with the appertaining local coil for acquisition of magnetic resonance images of an examination subject and/or for measurement of further system parameters at each of various positions of the recumbent bed relative to the tomograph. The functional dependency of the extracted signal intensity values on the position of the bed relative to the scanner is then determined. The position of the local coil on the bed is determined on the basis of the determined functional dependency. A corresponding control device for a magnetic resonance system and a computer program product implement the method.
    • 在用于确定磁共振扫描仪内的至少一个空间方向上的床上的局部线圈的位置的方法中,首先从利用用于获取磁共振的本地线圈实现的磁共振测量中提取信号强度值 检查对象的图像和/或用于在躺卧床相对于断层摄影机的各个位置的每个位置处测量其它系统参数。 然后确定提取的信号强度值对床相对于扫描仪的位置的功能依赖性。 基于确定的功能依赖性确定局部线圈在床上的位置。 用于磁共振系统和计算机程序产品的相应控制装置实现该方法。