Because of the bad definition of images in using DSA machine,the X-ray detector was used to check the DSA output dose so as to solve the image quality problems.

• 在机器使用过程中发现图像清晰度不好,利用X射线机质量检测仪检测该机器的输出剂量是否准确,为解决图像质量问题提供依据。