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1. 发明申请

US20100119035A1 Computed tomography scanner, in particular for performing a spiral scan, and a method for controlling a computed tomography scanner 有权
标题翻译：计算机断层摄影扫描仪，特别是用于执行螺旋扫描，以及用于控制计算机断层摄影扫描仪的方法
公开(公告)号：US20100119035A1
公开(公告)日：2010-05-13
申请号：US12591141
申请日：2009-11-10
申请人： Thomas Karch
发明人： Thomas Karch
IPC分类号： H05G1/60
CPC分类号： A61B6/4035 , A61B6/027 , A61B6/032 , A61B6/4014 , A61B6/4042 , A61B6/482 , G21K1/10
摘要： A computed tomography scanner is disclosed for performing a spiral scan. In at least one embodiment, the computed tomography scanner includes a rotatable X-ray emitter for generating a beam fan and an X-ray detector, positioned diametrically opposite to the emitter, and an associated evaluation unit. In at least one embodiment, provision is made for an X-ray filter arranged downstream of the X-ray emitter, the position of the X-ray filter being correlated to that of the X-ray detector. Further, the X-ray filter is partly inserted into the beam fan only during operation for generating an unfiltered and, simultaneously, a filtered radiation component of the beam fan, wherein the radiation components have different X-ray spectra and wherein the evaluation unit is designed for separate evaluation of a measurement signal of the unfiltered radiation component and a measurement signal of the filtered radiation component, to obtain dual-energy images.
摘要翻译：公开了一种用于执行螺旋扫描的计算机断层扫描仪。在至少一个实施例中，计算机断层摄影扫描仪包括用于产生光束风扇的可旋转X射线发射器和与发射器径向相对的X射线检测器，以及相关联的评估单元。在至少一个实施例中，对于设置在X射线发射器下游的X射线滤波器进行设置，X射线滤波器的位置与X射线检测器的位置相关。此外，X射线滤波器仅在用于产生未滤波的操作期间部分地插入波束风扇中，并且同时具有波束风扇的经滤波的辐射分量，其中辐射分量具有不同的X射线光谱，并且其中评估单元是设计用于单独评估未过滤的辐射分量的测量信号和滤波的辐射分量的测量信号，以获得双能量图像。

2. 发明授权

US08218728B2 Computed tomography scanner, in particular for performing a spiral scan, and a method for controlling a computed tomography scanner 有权
标题翻译：计算机断层摄影扫描仪，特别是用于执行螺旋扫描，以及用于控制计算机断层摄影扫描仪的方法
公开(公告)号：US08218728B2
公开(公告)日：2012-07-10
申请号：US12591141
申请日：2009-11-10
申请人： Thomas Karch
发明人： Thomas Karch
IPC分类号： H05G1/64 , G21K3/00
CPC分类号： A61B6/4035 , A61B6/027 , A61B6/032 , A61B6/4014 , A61B6/4042 , A61B6/482 , G21K1/10
摘要： A computed tomography scanner is disclosed for performing a spiral scan. In at least one embodiment, the computed tomography scanner includes a rotatable X-ray emitter for generating a beam fan and an X-ray detector, positioned diametrically opposite to the emitter, and an associated evaluation unit. In at least one embodiment, provision is made for an X-ray filter arranged downstream of the X-ray emitter, the position of the X-ray filter being correlated to that of the X-ray detector. Further, the X-ray filter is partly inserted into the beam fan only during operation for generating an unfiltered and, simultaneously, a filtered radiation component of the beam fan, wherein the radiation components have different X-ray spectra and wherein the evaluation unit is designed for separate evaluation of a measurement signal of the unfiltered radiation component and a measurement signal of the filtered radiation component, to obtain dual-energy images.
摘要翻译：公开了一种用于执行螺旋扫描的计算机断层扫描仪。在至少一个实施例中，计算机断层摄影扫描仪包括用于产生光束风扇的可旋转X射线发射器和与发射器径向相对的X射线检测器，以及相关联的评估单元。在至少一个实施例中，对于设置在X射线发射器下游的X射线滤波器进行设置，X射线滤波器的位置与X射线检测器的位置相关。此外，X射线滤波器仅在用于产生未滤波的操作期间部分地插入波束风扇中，并且同时具有波束风扇的经滤波的辐射分量，其中辐射分量具有不同的X射线光谱，并且其中评估单元是设计用于单独评估未过滤的辐射分量的测量信号和滤波的辐射分量的测量信号，以获得双能量图像。

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