Planning system, method and apparatus for conformal...

A - Human Necessities – 61 – N

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A61N 5/10 (2006.01)

Patent

CA 2540602

A system and associated methods to determine an optimal radiation beam arrangement are provided. The system includes a computer planning apparatus which includes a treatment plan optimization computer having a memory and an input device in communication with the treatment plan optimization computer to provide user access to control functions of plan optimization software. An image gathering device is in communication with the treatment plan optimization computer through a communications network to provide an image slice of the tumor target volume and the non-target structure volume. The plan optimization software computationally obtains and then optimizes a proposed radiation beam arrangement iteratively based on constraints to form an optimized radiation beam arrangement. A conformal radiation therapy delivery device in communication with the treatment plan optimization computer through the communications network then applies the optimized radiation beam arrangement to the patient.

L'invention concerne un système et des procédés associés permettant de déterminer une configuration de faisceau de rayonnement optimal. On décrit un système qui comprend un dispositif de planification informatique à ordinateur d'optimisation de plan de traitement équipé d'une mémoire et d'un dispositif d'entrée communiquant avec l'ordinateur d'optimisation. L'utilisateur dispose ainsi d'un accès pour contrôler des fonctions de logiciel d'optimisation de plan de traitement. Un dispositif de collecte d'images est relié à l'ordinateur d'optimisation via un réseau de communications, donnant une tranche d'image du volume cible de tumeur et du volume de structure hors cible. Le logiciel d'optimisation permet de calculer et d'optimiser une configuration de faisceau de rayonnement proposée par itération d'après un certain nombre de limites, donnant une configuration optimisée. Un dispositif de radiothérapie conforme relié à l'ordinateur d'optimisation via le réseau de communications applique ensuite ladite configuration au patient.

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