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MammoSite
Technically easier than IB, widespread use
FDA approved 2002, multi-lumen device approved 2009
More reproducible and better tolerated
15 cm long, 6 mm thick double lumen for inflation and Ir-192 sourse connected
to a computer-controlled HDR remote after-loader
The Ir-192 runs in central catheter in the balloon, balloon diam 1.5-4 cm
Dose prescribed 1 cm from balloon surface, usually 34 Gy/10 fr / 5 days
Balloon-based techniques: MammoSite, Axxent, Contura