Dose distribution calculation system, program, and dose distribution calculation method
AssigneeHitachi High-Tech Corporation
InventorsShusuke HIRAYAMA, Takahiro YAMADA
Life of this patent
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Abstract
A dose distribution calculation system 113 for calculating a dose distribution of radiation irradiated through a multi-leaf collimator includes: an MLC transport calculation unit 120 for calculating transmission paths through the multi-leaf collimator on two projection planes for each of particles of the radiation to calculate transmittance for each of the particles; and a dose distribution calculation unit 121 for calculating the dose distribution using the transmittance. This configuration provides a dose distribution calculation system, a program, and a dose distribution calculation method that are capable of efficiently obtaining a dose distribution calculation result with high accuracy.
Claims10
A dose distribution calculation system for calculating a dose distribution of radiation irradiated through a multi-leaf collimator, the system comprising:
- a transport calculation unit for calculating transmission paths through the multi-leaf collimator on two projection planes for each of particles of the radiation to calculate transmittance for each of the particles;
- and
- a dose distribution calculation unit for calculating the dose distribution using the transmittance.
A program that causes a calculation system to perform procedures, the procedures comprising:
- a transport calculation procedure of calculating transmission paths through a multi-leaf collimator on two projection planes for each of particles of radiation to calculate transmittance for each of the particles;
- and
- a dose distribution calculation procedure of calculating a dose distribution of the radiation irradiated through the multi-leaf collimator using the transmittance.
A method for calculating a dose distribution of radiation irradiated through a multi-leaf collimator, the method comprising:
- a transport calculation step of calculating transmission paths through the multi-leaf collimator on two projection planes for each of particles of radiation and calculating transmittance for each of the particles;
- and
- a dose distribution calculation step of calculating the dose distribution using the transmittance.
Dependencies are inferred from the claim text.