US Patent 9,776,017
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
A spot scanning (SS) ion therapy system configured for dynamic trimming of an ion particle pencil beam to reduce the amount of the radiation dosage outside of a target boundary.
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Flynn, Ryan; Hyer, Daniel; Wang, Dongxu; Hill, Patrick; and Claereboudt, Yves Method and system for dynamically-trimmed spot scanning for ion therapy. US Patent 9,776,017 filed July 03, 2014 and issued October 03, 2017. https://ir.uiowa.edu/patents/696