Method for preparing a radiation therapy plan

Details Method for preparing a radiation therapy plan Method for preparing a radiation therapy plan

A - Human Necessities

61

N

A61N 5/10 (2006.01)

Patent

CA 2339534

A method for determining a radiation treatment plan for a radiotherapy system providing multiple individual rays of intensity modulated radiation iteratively optimized the fluence of an initial set of such rays by a function that requires knowledge of only the prescribed dose and the dose resulting from the particular ray fluences. In this way, the need to store individual dose distributions of each ray are eliminated.

L'invention concerne un procédé pour établir un plan de radiothérapie pour un système de radiothérapie comportant plusieurs faisceaux individuels d'un rayonnement d'intensité modulée. Le procédé optimise itérativement la fluence d'une série initiale desdits faisceaux par une fonction nécessitant uniquement la connaissance de la dose prescrite et de la dose résultant des fluences de faisceaux particulières. On élimine ainsi la nécessité de stocker des distributions de doses individuelles pour chaque faisceau.

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