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SYSTEM AND METHOD FOR ION BASED RADIOTHERAPY TREATMENT PLANNING
专利权人:
RaySearch Laboratories AB
发明人:
Erik TRANEUS
申请号:
US16608504
公开号:
US20200179719A1
申请日:
2017.05.03
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A method for ion based radiation therapy treatment planning for avoiding dose delivery to a distal risk organ, said risk organ being located after the target seen from a first beam angle, the method comprising defining an optimization function comprising at least one objective function related to at least one desired property of the treatment plan, wherein the objective function is related to limiting a parameter τ defining the fraction of the total number τOAR of ions that reach the risk organ relative to the total number τa of ions. In addition, one can assume a different density when calculating τ which will result in a plan that is more robust with respect to density perturbations.
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