Method and system for physiological gating of radiation therapy

Details Method and system for physiological gating of radiation therapy Method and system for physiological gating of radiation therapy

A - Human Necessities

61

N

A61N 5/10 (2006.01) A61B 6/00 (2006.01) A61B 5/11 (2006.01)

Patent

CA 2347944

A method and system for physiological gating for radiation therapy is disclosed. According to an aspect, the invention comprises the use of an optical or video image system to measure regular physiological movement of a patient's body. The image data can be used to quantify voluntary or involuntary motion of the patient that may affect the delivery of radiation to a target valve. A gating signal can be generated to suspend delivery of radiation upon certain threshold event detected in the motion cycle.

Procédé et système de déclenchement physiologique d'une radiothérapie. Selon un aspect de l'invention, on met en application un système d'imagerie optique ou vidéo afin de mesurer le mouvement physiologique régulier du corps du patient. On peut utiliser les données d'image afin de quantifier le mouvement volontaire ou involontaire du patient susceptible de jouer un rôle dans l'administration de la radiothérapie sur un site ciblé. Un signal d'arrêt peut être généré afin de suspendre l'administration de la radiothérapie lorsqu'un seuil est détecté dans le cycle des mouvements.

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