2017_IGRT course book

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Treatment Device: ViewRay

34

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)

• 31.5 x 31.5 cm

2

treatment field

From: ViewRay web page

Mutic

et al.

Seminars in Radiation Oncology 24 196-199 2014