X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2006-05-12
2010-06-08
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S147000, C378S150000, C378S151000, C378S152000, C378S153000
Reexamination Certificate
active
07734010
ABSTRACT:
Radiation may be delivered in a number of segments shaped by a multi-leaf collimator. The collimator may be at different angles of rotation for the different segments. A method for planning radiation treatment involves obtaining an optimized set of collimator configurations by a direct aperture optimization method that takes into account collimator rotation. In some embodiments, area constraints are applied to the optimization. Methods according to embodiments of the invention can generate efficient treatment plans.
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Milette Marie-Pierre
Otto Karl
BC Cancer Agency
Oyen Wiggs Green & Mutala LLP
Sanei Mona M
Song Hoon
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