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Workflow
•
“Dry run”: Preliminary study to optimize the workflow in a clinical
situation and assess tracking accuracy.
•
Simulation performed on 5 patients treated with ITV
!
Evaluating tracking errors and defining appropriate margins
!
Workflow efficiency and training
!
Optimizing imaging dose
SBRT 2015 - D. Verellen
18
Patient Positioning
(X-ray, CBCT)
Monitoring kV
imaging
(0.2 Hz -1 Hz)
Acquisition of kV
fluoro sequence
20s and
IR marker motion
Detection Visicoil
and Building
correlation model (IR
vs internal motion)
Gimbals tracking
(IR marker driven)