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What is the x-ray collimator used for

The x-ray collimator, as its name implies, acts to shrink the beam. The actual effect is to first turn on the light on the x-ray collimator, and adjust the knobs in the X and Y directions of the x-ray collimator, so that the light of the x-ray collimator shines on the cassette of your machine, and the light field The size of the film is exactly the same as the size of the film, and then the film can be filmed. Because the machine must adjust the X-ray field and the light field to a minimum deviation before leaving the factory, this light field plays a role in simulating the invisible X-ray field.
The x-ray collimator is an accessory part of the X-ray inspection equipment. The main purpose is to position and use when setting up, to simulate the radiation area of X-rays, which can reduce the patient’s radiation dose and enhance the image quality.