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How does the X ray collimator work?

The X ray collimator uses the indicator bulb to simulate the focus of the X ray tube, replacing the X-ray with visible light, and reflecting it onto the bed surface through the reflection of the mirror. The visible light path of the reflected arc is identical to the light path of the X-ray penetrating mirror, so it can indicate the size of the field of illumination in advance. Since the life of the indicator light is short, the illumination of the indicator light is controlled by a push button switch that can be turned off by itself within 15s-1min. Some indicator lights have two levels of brightness to meet the illumination field indication when the room brightness is high. The mirrors are typically made of silver-plated plastic with an aluminum equivalent of about 0.5 mm and do not affect X-ray imaging.

Also in front of the x ray collimator is a clean, transparent plastic plate with black or black dots to indicate the center of the beam. Some x ray collimator is marked with the corresponding field size of the film machine around the knob or the range of the rod movement. It is mainly used to illuminate the field preset before the field indicator is illuminated, so that it can be adjusted quickly after the indicator is lit. The size of the field is good, and the life of the indicator light is extended.

If you would like to know more about Newheek X ray collimator, please contact our customer service.


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