Neutron capturing therapeutic system
A treatment system and neutron technology, applied in the fields of treatment, X-ray/γ-ray/particle irradiation therapy, radiotherapy, etc., can solve the problems of insufficient structural accuracy, affecting the safety of boron neutron capture treatment, etc., and improve the structural strength. Effect
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[0040] Particles (such as neutrons) produced by accelerators need to be installed with reflectors to reduce the particle radiation leakage rate, and shields are required to provide radiation safety shielding. Lead or lead alloys are materials traditionally used for reflection or shielding, however, lead has a significant creep effect and cannot provide structural rigidity and long-term service life.
[0041] Such as figure 2 As shown, the present application provides a neutron capture therapy system 100. The neutron capture therapy system 100 includes an accelerator 200 for generating a charged particle beam P, and a neutron beam that generates a neutron beam after being irradiated by the charged particle beam P. Generator 10 , beam shaper 20 for shaping the neutron beam, and collimator 30 . The beam shaper 20 includes a retarder 21 and a reflection part 22 wrapped around the retarder. The neutron generator 10 generates a neutron beam N after being irradiated by a charged p...
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