发明授权
US08269196B2 Heavy ion radiation therapy system with stair-step modulation 有权
具有梯级调制的重离子放射治疗系统

Heavy ion radiation therapy system with stair-step modulation
摘要:
A system for modulating a fan beam for radiation treatment employs shutters that may move rapidly into and out of different beamlets of a fan beam, the shutters having a systematic weighting so that a limited number of shutters may obtain a far greater number of regularly spaced energy reductions.
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