Method and apparatus to facilitate optimizing a...

Details Method and apparatus to facilitate optimizing a... Method and apparatus to facilitate optimizing a...

2009-06-04

2010-11-09

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

Reexamination Certificate

active

07831018

ABSTRACT:
These teachings provide for identifying (101) a set of fluence-based control points to represent a leaf sequence and then selecting (102) a first subset of the fluence-based control points and optimizing that first subset. This first subset (now optimized) is combined (103) with a second subset of the fluence-based control points and the aggregation then optimized. The latter activities are then iteratively repeated (104) with additional subsets of the fluence-based control points to provide resultant optimized sets of fluence-based control points. This eventually results in a fully optimized complete set of fluence-based control points. This optimized set of fluence-based control points are then used (105) to specify a corresponding radiation-treatment leaf-sequence plan.

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Yi et al., “A Dose Rate Modulated Tracking Radiation Therapy System and Method,” U.S. Appl. No. 60/874,678; filed Dec. 14, 2006; 23 pages.
Wang et al., “Arc-Modulated Radiation Therapy (AMRT): A Single Arc Form of Intensity-Modulated Arc Therapy,” Physics in Medicine and Biology 53 (2008); 13 pages; IOP Publishing.

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