Users Manual Part 1

IBA | x | Clinical User’s Guide
Volume 1 - Treatment Session
MU to Dose Accuracy Of
Proportionality
1% or smaller
Dose Reproducibility Over Time,
Fixed Conditions
0,5% 15 min, 1,0% 1 day, 3,0% 1 week
or smaller
Dose Reproducibility vs Gantry Angle 2% or smaller
Delivered MU vs Prescribed MU
Error
1% or 0.5 MU or smaller
Spot Shape Size Variation Over Time 10% or 0.5 mm or smaller
Spot Shape Size Variation Over
Gantry Angle
10% or 0.5 mm or smaller
Spot Shape Size Variation Over
Lateral Position in the Isocenter
Plane
10% or 0.5 mm or smaller
Reproducibility of Depth Dose Distribution in PBS
Range Accuracy for Deepest Layer 1 mm or smaller
Pull-Back Accuracy for Shallower
Layers
1 mm or smaller
Gantry Positioning
Gantry angle accuracy for PBS 0.5 degrees or smaller
Gantry Isocenter Displacement for
PBS
1 mm or smaller
Reproducibility of Patient vs Beam Alignment
Proton vs X-Ray Colinearity <1mm + 0.25°
X-ray Image Registration accuracy 1mm, 1° or smaller
Gating delays
Delay from Beam ON request to
beam being turned on
250 ms
Delay from Beam OFF request to
being being turned off
250 ms
EP Name Limit allowed for EP value