Neutron brachytherapy device and method

Details Neutron brachytherapy device and method Neutron brachytherapy device and method

A - Human Necessities

61

N

A61N 5/10 (2006.01) A61N 5/00 (2006.01) G21G 4/02 (2006.01) G21G 4/08 (2006.01)

Patent

CA 2381996

A neutron source for neutron brachytherapy is disclosed that may generate neutrons to treat cancer and other tumors (24). The neutron source in accordance with the invention may include a capsule (38) into which the neutron emitting material is loaded and a guide wire (36). A coiled wire may be placed around the capsule (38) and the guide wire (36) to strengthen the capsule (38) and guide wire (36). In accordance with one embodiment, the capsule (38) containing the neutron emitting material is sufficiently thin so that the helium gas generated during the decay of the neutron emitting material may escape into the atmosphere. In a preferred embodiment, the neutron emitting material may be Californium (Cf225).

L'invention concerne une source de neutrons pour la curiethérapie par rayonnements neutroniques. Cette source permet de générer des neutrons pour traiter le cancer et d'autres tumeurs. La source de neutrons selon l'invention peut comprendre une capsule dans laquelle le matériau émetteur de neutrons est chargé et un fil-guide. Un fil hélicoïdal peut être placé autour de la capsule et le fil-guide pour les renforcer. Selon un mode de réalisation, la capsule contenant le matériau émetteur de neutrons est suffisamment mince pour que l'hélium généré pendant la décroissance du matériau émetteur de neutrons puisse s'échapper dans l'atmosphère. Dans un mode de réalisation préféré, le matériau émetteur de neutrons peut être du Californium (Cf?225¿).

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