Multi-leaf collimator for radiotherapy machine and radiotherapy machine
A multi-leaf collimator, radiation therapy technology, applied in radiation therapy, therapy, X-ray/γ-ray/particle irradiation therapy, etc. Difficulty, the effect of reducing radiation leakage and dose gradients
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[0025] Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described here.
[0026] figure 1 It is a schematic diagram of the structure and function of the multi-leaf collimator of the present invention, which is installed in the treatment head of the radiotherapy machine. like figure 1 As shown, the multi-leaf collimator is arranged below the radiation source, and the collimator includes two leaf groups on side A and side B, which are arranged symmetrically above the isocenter plane of the treatment machine. Under the irradiation of the radiation source, the ray beam passes through the gap between the blade groups and reaches the tum...
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