Do you know about automatic x ray collimator about x ray collimator? The automatic x ray collimator differs slightly from the electric x ray collimator in that the automatic x ray collimator has a lead-lead condition monitoring device inside. Functionally, with the adaptation of the focal length, the automatic x ray collimator has the ability to automatically report the size of its field, mostly for perspective.
In fluoroscopy, in order to prevent the patient from receiving unnecessary radiation, to prevent excessive X-rays from shining outside the screen, or to affect the enhancer, the x ray collimator is limited on the circuit so that the x ray collimator illuminates the field joystick at maximum. When the position is opened, the illumination field is in accordance with the diameter of the input screen of the influence enhancer, and with the adaptation of the focal length, the size of the illumination field can be tracked and controlled, so that the illumination screen will never exceed the input screen. the edge of.
If spot photography is to be performed in perspective, the X-ray machine sends a corresponding control signal to the control center of the beam limiter while selecting the film size and division method used. At the time of spot photography preparation, the illumination field is switched from the perspective state to the gasket photography state, and the size of the illumination field is consistent with the film and the division method required.
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