424-425 / 3107
“Replacing the ‘classic’
collimation with static conical
collimators or a circular
diaphragm (IRIS)
”
Radiosurgery device
Beam motion 6 DOF
Small field circular fields
Non-flattened beam
Plans with a few 100s of beams/nodes
No posterior beams
Adler et al. Stereotact Funct Neurosurg. 1997, Nuyttens et al. Acta Onc. 2006
Light weight linac on a moving robot
IMRT on CyberKnife
CyberKnife treatment plan
Accuray CyberKnife
Transversal beam profile