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Do you know the classification of X ray collimator?

With the development of the X ray machine, the x ray collimator has evolved from simple to complex in structure, with functions ranging from single to multi-purpose.
Tell us about the simple x ray collimator today.
The simple x ray collimator is available in both occlusion and occlusion versions. The occlusion type is a lead plate with a certain size or a circular hole in the X-tube window. The opening of the lead plate is centered on the X-ray center. When the projection is performed, an irradiation field suitable for the size of the hole can be obtained at a certain distance. Generally, an X ray machine is equipped with a plurality of occlusion panels of different apertures, and the size of the illumination field of the corresponding distance is indicated above for selection.
Application of X ray Collimator
The shape of the xray collimator is a conical metal tube, and some are lined with thin lead to increase the protection effect. When it is projected, it mainly relies on the blocking absorption of the X-ray by the wall to limit the irradiation field. Therefore, the size of the irradiation field can be determined by the length and diameter of the occlusion tube, and the irradiation field is generally circular.

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