公开(公告)号：EP0583118A2

公开(公告)日：1994-02-16

申请号：EP93306039.4

申请日：1993-07-30

Applicant: SUMMIT WORLD TRADE CORPORATION

Inventor： Vickers, David S. ,  Cochrane, Geoffrey G.

IPC: G01T1/164 ,  G01T5/08

CPC classification number: G01T1/201 ,  A61B6/4258 ,  G01T1/1642 ,  G01T1/1644

Abstract: Disclosed is a gamma camera in which separate detectors (112,114) are used to determine the position and energy of gamma radiation from a patient of interest. In a preferred mode, the camera comprises two adjacent, mutually perpendicular arrays (114,116) of parallel scintillating fibres positioned on the face of a scintillating crystal (112). Each of the fibres within the arrays conducts light to a photodetector (not shown) at one end, while an array of photodetectors monitors the total scintillated energy within the crystal (112). The arrays of fibres provide resolution in the x-y plane, while the sum of the energies detected in the fibres and crystal discriminate between transmitted and scattered radiation.

Abstract translation: 公开了一种伽马照相机，其中使用单独的检测器（112,114）来确定来自感兴趣的患者的γ射线的位置和能量。 在优选模式中，照相机包括位于闪烁晶体（112）的表面上的平行闪烁光纤的两个相邻的相互垂直的阵列（114,116）。 阵列中的每个光纤在一端将光传导到光电检测器（未示出），而光电检测器的阵列监测晶体（112）内的总闪烁能量。 光纤阵列在x-y平面上提供分辨率，而在光纤和晶体中检测到的能量总和可以区分发射和散射辐射。

公开(公告)号：EP0583118A3

公开(公告)日：1996-03-27

申请号：EP93306039.4

申请日：1993-07-30

Applicant: SUMMIT WORLD TRADE CORPORATION

Inventor： Vickers, David S. ,  Cochrane, Geoffrey G.

IPC: G01T1/164 ,  G01T5/08

CPC classification number: G01T1/201 ,  A61B6/4258 ,  G01T1/1642 ,  G01T1/1644

Abstract: Disclosed is a gamma camera in which separate detectors (112,114) are used to determine the position and energy of gamma radiation from a patient of interest. In a preferred mode, the camera comprises two adjacent, mutually perpendicular arrays (114,116) of parallel scintillating fibres positioned on the face of a scintillating crystal (112). Each of the fibres within the arrays conducts light to a photodetector (not shown) at one end, while an array of photodetectors monitors the total scintillated energy within the crystal (112). The arrays of fibres provide resolution in the x-y plane, while the sum of the energies detected in the fibres and crystal discriminate between transmitted and scattered radiation.