IMRT 2018

Helical'Tomotherapy:'Fan'beam'with'binary'MLC

• Fan$Beam$with$a$size$of$0.5$– 5$cm • Rotation$time$– from$12$s • One$leaf$totally$open$or$totally$ closed$in$0.05$s$– controlled$by$ compressed$air$system • 64$MLC,$6$mm$width$(in$isocenter)