Treatment planning method and apparatus for radiation therapy

G - Physics – 06 – F

Patent

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Details

G06F 17/18 (2006.01) A61N 5/10 (2006.01) G21K 5/00 (2006.01)

Patent

CA 2320122

A radiation modelling apparatus comprises: a storage means (350, 360) containing details of material properties of at least one medium (100, 105, 110) which may undergo irradiation and details of the properties of at least one radiation beam (45a, 45b, 45c) operable to irradiate the media; a stochastic modelling kernel (340) operable to receive parameters of an irradiation and calculate a distribution of radiation (380) resulting from the irradiation using data from the storage means (350, 360); characterised by a filter (370) arranged so as to remove components comprising substantially statistical noise from the output of the modelling kernel (340).

La présente invention concerne un appareil de modélisation de rayonnement comprenant: un dispositif de stockage (350, 360) comportant des détails relatifs aux propriétés matérielles d'au moins un support (100, 105, 110) pouvant être soumis à un rayonnement, et des détails relatifs aux propriétés d'au moins un faisceau de rayonnement (45a, 45b, 45c) agissant de manière à s'appliquer sur ce support; un noyau de modélisation stochastique (340) agissant de manière à recevoir des paramètres d'une exposition à un rayonnement et calculer une répartition du rayonnement (380) résultant de l'exposition au rayonnement, en utilisant des données fournies par un dispositif de stockage (350, 360), cet appareil étant caractérisé par un filtre (370) disposé de façon à éliminer des composantes comprenant un bruit parasite essentiellement parasite à la sortie du noyau de modélisation (340).

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