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    • 3. 发明申请
    • Method for reducing nuclear medicine scanning time
    • 减少核医学扫描时间的方法
    • US20070069138A1
    • 2007-03-29
    • US11239271
    • 2005-09-29
    • Sharon Wang
    • Sharon Wang
    • G01T1/166
    • G01T1/1642A61B6/037G01T1/1648
    • A method for reducing the scanning time of SPECT broadly includes determining a physical characteristic of an object within a radiation field, calculating an optimal starting angle of at least two detectors based on the physical characteristic of the object and a trajectory of the at least two detectors such that the geometric efficiency of the detectors along the trajectory can be maximized, angularly displacing the detectors based on the calculated optimal starting angle, scanning the object within the field to detect one or more gamma photons emanating from the object, and preparing an image from the one or more detected gamma photons. Preferably, the physical characteristic of the object is its location within the field, but can include properties such as signal to noise ratio, shape of the object, etc.
    • 减少SPECT的扫描时间的方法广泛地包括确定辐射场内的物体的物理特性,基于物体的物理特性和至少两个检测器的轨迹计算至少两个检测器的最佳起始角度 使得沿着轨迹的检测器的几何效率可以最大化,基于计算出的最佳起始角度角度地移位检测器,扫描场内的物体以检测从物体发出的一个或多个伽马光子,以及从 一个或多个检测到的γ光子。 优选地,物体的物理特性是其在场内的位置,但是可以包括诸如信噪比,物体形状等的特性。