Afterloader apparatus

Details Afterloader apparatus Afterloader apparatus

A - Human Necessities

61

N

A61N 5/00 (2006.01) A61N 5/10 (2006.01)

Patent

CA 2304212

There is provided a manually operable afterloader (100) for use during radiation therapy treatment of a patient. The afterloader (100) includes a sourcewire reel (112) having a circumferential groove, dual sized or stepped (188), for receipt of a non-radioactive portion of a sourcewire (130) and a shield capsule (154) having a passageway therethrough for receipt of a radioactive portion of a source wire (130). A cranking mechanism (163) is provided to rotate the sourcewire reel (112) and drive the radioactive sourcewire (130) out of the shield capsule (154).

L'invention concerne un dispositif (100) de chargement différé manuel utilisable lors d'un traitement de radiothérapie effectué sur un patient. Le dispositif (100) de chargement différé comprend un enrouleur (112) de fil de source présentant une rainure périphérique, à double calibrage ou à fractionnement (188), destinée à recevoir une portion non radioactive d'un fil (130) de source, et une capsule (154) de blindage traversée par un passage destiné à recevoir une portion radioactive d'un fil de source (130). Un mécanisme (163) de manivelle permet de faire tourner l'enrouleur (112) de fil de source et d'entraîner le fil de source (130) radioactif hors de la capsule (154) de blindage.

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