Table 1.
Parameters of the Axesse® linacs
| Parameter | Axesse® |
|---|---|
| Leaf width at isocenter (mm) | 5 |
| Field size, maximum (mm) | 400 |
| Leaf individual travel range (mm) | 200 (with respect to DLGa) |
| Leaf and DLGa or backup jaw combined travel range (mm) | 350 |
| Leaf interdigitation range (mm) | 200 |
| Diaphragm over-travel relative to central axis (mm) | 120 |
| Height of leaf (mm) | 90 |
| Leaf and interleaf transmissions (6MV) | 0.47 % |
| Diaphragm/jaw speed, maximum (mm/s) | 90 |
| Leaf speed, maximum (mm/s) | 35 |
| Leaf and DLG combined speed, maximum | 65 mm/s |
| Speed of gantry rotation (/s) | 6.0 degree/s |
| Dose rate, maximum (MU/min) | Continuous, 660 |
a DLG Dynamic Leaf Guides. All leaves were integrated with two DLGs and they traveled together