X-ray computerized tomography system and method
An X-ray and computer technology, applied in the field of X-ray computed tomography system, can solve the problems of not changing the collimator opening, not adjusting the exposure area of the object to be inspected, not considering the size and shape changes of the ROI, and reducing X-rays. Effects of radiation dose, reduction of additional exposure, correction of opening width
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[0018] In order to make the purpose, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.
[0019] The present invention calculates the opening width of the collimator according to the different sizes of multiple circular sections of the object to be inspected in the scanning direction, and adjusts the opening of the collimator according to the opening width, so as to perform CT scanning on the object to be inspected , in order to reduce the additional exposure of the area around the object to be examined, while reducing the X-ray dose received by the patient.
[0020] In the present invention, the object to be inspected may be a certain area of the human body, or a certain organ or tissue of the human body. In the embodiment of the present invention, the object to be inspected is the spine, and the scanning direction (that is, the horizontal direction in which the examinatio...
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