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发明授权
CN1951331B X射线图像诊断装置 失效 - 权利终止

X射线图像诊断装置
摘要：
本发明的X射线图像诊断装置，具有X射线源(3)、X射线平面检出器(5)、X射线照射区域设定单元(15)、X射线光阑单元(4)、X射线光阑操作单元(8)、X射线光阑控制单元(9)和显示单元(14)，还具有：有效视野控制单元(10)，算出与上述X射线照射区域相对应的上述X射线平面检出器(5)的有效视野区域；图像处理单元(11)，将该算出了的有效视野区域与上述X射线平面检出器(5)的检出区域建立对应关系，读出该建立了对应关系的上述X射线平面检出器(5)的检出区域上的透过X射线数据；和X射线控制单元(12)，基于该读出了的透过X射线数据，对从上述X射线源(3)放射的X射线量进行控制。
摘要（英）：

An X-ray image diagnosis device in accordance with the present invention comprises an X-ray source (3), an X-ray plane detector (5), an X-ray irradiation region setting unit (15), an X-ray diaphragm unit (4), an X-ray diaphragm operating unit (8), an X-ray diaphragm control unit (9) and a display unit (14). The X-ray image diagnosis device further comprises an effective field of vision control unit (10) for working out the effective field of vision of said X-ray plane detector (5) corresponding to said X-ray irradiation region; an image processing unit (11) to establish corresponding relationbetween the effective field of vision being worked out and detecting region of said X-ray plane detector (5), and to read out the permeation X-ray data of the detecting region of said X-ray plane detector (5) to establish the corresponding relation; and an X-ray control unit (12) for controlling the quantity of X-ray radiating from said X-ray source (3) according to the permeation X-ray data which has been read out.

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