2017_IGRT course book

Treatment Device: ViewRay

MRIdian ® from ViewRay:

• Low-field split coil 0.35 T MRI

• 50 cm field of view (70 cm bore)

• 3 Cobalt sources / MLCs

• Combined dose rate ≈ 6 Gy/min

• 180 MLC leaves (60 per head)

From: ViewRay web page

• 31.5 x 31.5 cm 2 treatment field

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Mutic et al. Seminars in Radiation Oncology 24 196-199 2014