Radiation therapy method and device

Details Radiation therapy method and device Radiation therapy method and device

A - Human Necessities

61

N

A61N 5/10 (2006.01) A61K 51/12 (2006.01) A61N 5/00 (2006.01) A61F 2/00 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2206394

An implantable medical device is used to deliver a dosage of radiation to a localized site within a patient. The device is coated with a chelator selected for its bonding affinity with a specific radioisotope. A base layer and optionally a spacer layer first is applied to the device to provide a proper foundation for the chelator. Just prior to implantation, the device is immersed in a solution of the radioisotope which enables a preselected amount of such radioisotope, to be adsorbed.

Un appareil médical implantable est utilisé pour administrer une dose de rayonnements à un site localisé chez un patient. L'appareil est enrobé d'un chélateur choisi pour son affinité à l'égard du radio-isotope choisi. Une couche de base et éventuellement une couche séparatrice est d'abord appliquée à l'appareil afin de fournir une base adéquate pour le chélateur. Immédiatement avant l'implantation, l'appareil est immergé dans une solution du radio-isotope, ce qui permet de faire en sorte qu'une quantité prédéterminée de ce radio-isotope soit absorbée.

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