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    • 3. 发明申请
    • APPARATUS AND METHOD FOR TRACKING FEATURE'S POSITION IN HUMAN BODY
    • 跟踪人体身体特征位置的装置和方法
    • US20090257551A1
    • 2009-10-15
    • US12419801
    • 2009-04-07
    • Ehud DAFNIRafael Shmuel Brada
    • Ehud DAFNIRafael Shmuel Brada
    • A61B6/00
    • A61B6/022A61B6/032A61B6/4014A61B6/4028A61B6/481A61B6/504A61B6/541
    • A CT scanner for scanning a subject is provided, the scanner comprising: a gantry capable of rotating about a scanned subject; at least two cone beam X-Ray sources displaced from each other mounted on said gantry; at least one 2D detector array mounted on said gantry, said detector is capable of receiving radiation emitted by said at least two X-Ray sources and attenuated by the subject to be scanned; a first image processor capable of generating and displaying CT images of a volume within the subject; a second image processor capable of generating projection X-Ray images of said volume, wherein the images are responsive to X-Ray separately emitted by each of said at least two cone beam X-Ray sources; and a third image processor capable of generating and displaying fluoroscopic images composed of said projection X-Ray images, wherein said fluoroscopic images are spatially registered to said CT images.
    • 提供了一种用于扫描被摄体的CT扫描器,所述扫描仪包括:能够围绕扫描的被摄体旋转的台架; 至少两个安装在所述台架上彼此相对移动的锥形束X射线源; 安装在所述台架上的至少一个2D检测器阵列,所述检测器能够接收由所述至少两个X射线源发射并由要扫描的对象衰减的辐射; 第一图像处理器,其能够生成和显示所述对象内的体积的CT图像; 能够产生所述体积的投影X射线图像的第二图像处理器,其中所述图像响应于由所述至少两个锥形束X射线源中的每一个单独发射的X射线; 以及能够生成和显示由所述投影X射线图像组成的透视图像的第三图像处理器,其中所述荧光透视图像被空间地登记到所述CT图像。