Hollow-tube brachytherapy device

A - Human Necessities – 61 – N

Patent

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Details

A61N 5/00 (2006.01) A61K 51/12 (2006.01) A61M 36/04 (2006.01) A61N 5/10 (2006.01) G21G 4/08 (2006.01)

Patent

CA 2238647

A novel brachytherapy device is disclosed that is formed from a hollow-tube- shaped seed-substrate, allowing the easy association of the device with suture material. This shape minimizes the chance of migration of implanted seeds due to better attachment to tissue. The distribution of the radioactive material on the exterior surface of the tubular device provides a relatively uniform radiation field around the hollow-tube-shaped brachytherapy seed source. Brachytherapy devices are disclosed that are inherently radioactive. Also disclosed are devices that can be rendered radioactive by the transmuting effects of neutron irradiation. Brachytherapy devices are disclosed that facilitate medical application and improve safety for patients and medical personnel.

L'invention concerne un nouveau dispositif pour brachythérapie qui est constitué par une source tubulaire creuse permettant aisément d'associer le dispositif avec du matériau de suture. Cette forme minimise les risques de migration des sources implantées, par suite d'une meilleure fixation au tissu. La répartition du matériau radioactif sur la surface externe du dispositif tubulaire assure un champ de radiations relativement uniforme autour du tube creux pour brachythérapie. Les dispositifs pour brachythérapie décrits sont radioactifs de manière inhérente. L'invention concerne en outre des dispositifs qui peuvent être rendus radioactifs par une irradiation par des neutrons qui provoque une transmutation. L'invention concerne également des dispositifs pour brachythérapie qui facilitent les traitements médicaux et améliorent la sécurité des patients et du personnel médical.

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