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SYSTÈME ET PROCÉDÉ D'ESTIMATION D'UNE DOSE DE RAYONNEMENT ET DE MANIPULATION DE CELLE-CI
专利权人:
Karl;Otto
发明人:
申请号:
EP11797446.9
公开号:
EP2585854A4
申请日:
2011.06.22
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
Methods are provided for permitting manipulation of an achievable dose distribution estimate deliverable by a radiation delivery apparatus for proposed treatment of a subject. One such method comprises: determining a dose modification voxel for which it is desired to modify the dose value and a corresponding magnitude of desired dose modification; for each of a plurality of beams: (i) characterizing the beam as a two-dimensional array of beamlets, wherein each beamlet is associated with a corresponding intensity value and a ray line representing the projection of the beamlet into space; and (ii) identifying one or more dose-change beamlets which have associated ray lines that intersect the dose modification voxel; modifying the intensity values of at least one of the dose-change beamlets; and updating the achievable dose distribution estimate to account for the modified intensity values of the at least one of the dose-change beamlets.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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