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Resuming an interrupted wedge treatment
48
The time varying fluence distribution means that an interrupted
treatment can not be resumed without information about the delivered
fraction (not necessary for physical wedges).
Hence, both delivered and remaining/given MUs must be known by the
accelerator control software.
Physical wedge
Varian EDW
Siemens
Virtual Wedge
Utrecht 2016
1
2
1
2
1
2
Note: Impossible to deliver few MUs using dynamic/virtual wedge!