X-ray collimator is a kind of electromechanical optical equipment, which is installed in front of the output window of X-ray tube assembly. Its main function is to control the output radiation area of the X-ray tube. On the premise of meeting the shooting area of X-ray imaging diagnosis, the projection range should be reduced as far as possible to avoid unnecessary radiation dose to patients. And it can absorb some scattered light to improve the effect of clarity.
In addition, the X-ray collimator can also indicate the size and position of the photo center. For example, when used with a mobile X-ray machine, the center point of the shooting needs to be aligned with the center of the digital flat panel detector due to its mobility. Therefore, the use of the X-ray collimator can easily and effectively align the center position. Therefore, X-ray collimator is an indispensable auxiliary equipment for X-ray projection and protection.
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