Error control in algorithmic approach to step-and-shoot intensity modulated radiation therapy
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United States of America Patent
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Dec 16, 2008
Grant Date -
Mar 13, 2008
app pub date -
Mar 22, 2005
filing date -
Mar 22, 2004
priority date (Note) -
Expired
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Abstract
The present invention provides a method comprising the following steps: (a) partitioning an intensity modulated beam into a set of sub-IMBs; and (b) partitioning the sub-IMBs into segments, wherein steps (a) and (b) introduce no machine delivery error. The present invention also provides a method comprising the following steps: (a) recursively partitioning an intensity modulated beam into plateaus; and (b) partitioning the plateaus into segments, wherein step (a) comprises determining a tradeoff between machine delivery error and the number of segments into which the plateaus will be partitioned in step (b).
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