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MOPSA36 |
Formation of Ejected High-Energy Therapeutic Electron Beam With 3D Printed Test Samples | |
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Funding: The work is supported by the Russian Science Foundation, project No. 19-79-10014. Electron beam using for radiation therapy allows achievement of good therapeutic and cosmetic treatment results. It is necessary to improve the methods high-energy therapeutic electron beam forming to increase the efficiency this treatment. Specially designed units, known as compensators, a typically used to obtain a complex dose distribution in the patient’s body. Compensators are usually set perpendicularly to electron beam axis at particular distance from patient and used to form depth dose distribution. In this study authors proposed to use polymer compensators made by fused deposition modeling to form dose field of electron clinical accelerators. Applicability of this approach was investigated in series of physical experiments and Monte Carlo numerical simulations. Obtained results showed that therapeutic electron beams of 6-12 MeV could be modulated effectively using polymer compensators. Developed model for numerical simulations allows estimating of electron beam dose distributions modified by polymer absorbers and choosing compensators’ geometrical parameters for the particular task. |
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