X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2008-02-27
2010-12-21
Glick, Edward J (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S069000, C378S095000, C250S492100
Reexamination Certificate
active
07856082
ABSTRACT:
A computer-implemented method for optimizing a radiation treatment plan for a radiotherapy machine providing independently controlled radiation along a plurality of rays j directed toward a patient and configured to account for the effects of patient motion. The method includes generating a probability distribution function quantitatively expressing patient motion, identifying a prescribed total dose Dipat the voxels i in a treatment area, assigning a fluence value wjfor each ray j based on an iterative function, calculating an actual total dose Didproduced each voxel i within the assigned fluence values and calculating an expectation value of the dose per energy fluence,dijbased on the actual total dose Didand the probability distribution function.
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Flynn Ryan T.
Mackie Thomas R.
Artman Thomas R
Boyle Fredrickson , S.C.
Glick Edward J
Wisconsin Alumni Research Foundation
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