Elekta Versa HD
Manufacturer: Elekta · Modality: Linear Accelerator
Elekta's current flagship conventional linac. Succeeds the Synergy. Higher dose rates (up to 2200 MU/min FFF), Agility 160-leaf MLC (vs Synergy's MLCi2 80-leaf), Clarity 4D CBCT, Symmetry 4D imaging for respiration-managed delivery.
Versa HD's bets vs Varian TrueBeam
- Agility MLC — 160 leaves, 5 mm leaf width across the full 40 cm aperture (vs Varian Millennium's narrower high-resolution zone). Cleaner dose modulation on long targets (spine, craniospinal, long peripheral fields).
- kV / MV imaging — kV-kV triangulation + MV EPID + CBCT.
- Symmetry 4D CBCT — respiration-gated imaging.
- High dose rate FFF — 6 MV + 10 MV FFF at 1400 / 2200 MU/min.
Specs
- 6, 10, 15 MV photons + 6 MV / 10 MV FFF
- Up to 2200 MU/min (FFF)
- Agility 160-leaf MLC, 5 mm leaf width across 40 cm
- HexaPOD iCouch (6DoF with XVI CBCT fusion)
- XVI cone-beam CT
- Monaco TPS + MOSAIQ OIS (Elekta oncology-software stack)
Clinical positioning
Direct competitor to Varian TrueBeam. Centers often compare on MLC architecture (160 × 5 mm on Versa HD vs Varian's HD 120 high-density zone + 5/10 mm periphery), dose-rate specs, and software ecosystem (MOSAIQ vs ARIA).