The X-ray collimator is an electromechanical optical device installed in front of the output window of the X-ray tube assembly. Its main function is to control the size of the radiation area output by the X-ray tube. On the premise that the X-ray imaging diagnostic imaging area is satisfied, the projection range is minimized to avoid unnecessary radiation doses to the patient. And can absorb some scattered light to improve the impact of clarity.
In addition, the X-ray collimator can also indicate the size of the center of the film and the position of the film. For example, it is used on a mobile X-ray machine. Because of the mobility, the center of the shooting needs to be aligned with the center of the digital flat-panel detector, so X-ray collimation is used. The straightener can align the center position conveniently and effectively. Therefore, the X-ray collimator is an indispensable auxiliary device for X-ray projection and protection.
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