Cable attachment for a radioactive brachytherapy source capsule

Details Cable attachment for a radioactive brachytherapy source capsule Cable attachment for a radioactive brachytherapy source capsule

A - Human Necessities

61

N

A61N 5/10 (2006.01)

Patent

CA 2581084

In cancer brachytherapy treatment, a small californium-252 neutron source capsule is attached to a guide cable (17) using a modified crimping technique. The guide cable has a solid cylindrical end (18), and the attachment employs circumferential grooves (19) micromachined in the solid cable end. The attachment was designed and tested, and hardware fabricated for use inside a radioactive hot cell. A welding step typically required in other cable attachments is avoided.

Dans une méthode de traitement du cancer par curiethérapie, une petite capsule source de neutrons Californium 252 est fixée à un câble de guidage (17) au moyen d'une méthode de raccordement par sertissage. Le câble de guidage possède une extrémité cylindrique solide (18) et la fixation comprend des rainures circonférentielles (19) micro-usinées dans l'extrémité de câble solide. Le fixation est conçue, testée et fabriquée à des fins d'utilisation à l'intérieur d'une cellule chaude radioactive. Cette fixation permet d'éviter l'étape de soudage généralement nécessaire à la fabrication d'autres fixations de câble.

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