Elekta Versa Hd User Manual May 2026

The Elekta Versa HD is a versatile digital linear accelerator (linac) designed for a wide range of radiation therapy techniques, from conventional treatments to advanced stereotactic radiosurgery (SRS) and stereotactic body radiotherapy (SBRT).

Volume 1: Introduction & Safety

• Chapter 1: General Information – Machine specifications (weight, clearance, radiation leakage values).
• Chapter 2: Safety – Interlock descriptions, radiation warning lights, emergency off switches (location on gantry, pendant, and control console).
• Chapter 3: Symbols and Labels – Decoding the ISO symbols found on the stand and head.

4. Clinical Workflow

• Patient setup: Immobilization, indexing, laser alignment, pre-imaging checks.
• Imaging and registration: Acquire CBCT/kV images, perform automatic/manual registration, apply couch shifts (6 DoF).
• Treatment delivery: Plan selection, checklists, record & verify, beam delivery modes (FFF/flattened), gating/respiratory management if used.
• Post-treatment: Documentation, imaging if required, patient release.

Detailed description of the 160-leaf multileaf collimator, leaf speeds (up to 6.5 cm/s), and sub-millimeter positioning accuracy. Imaging Systems: elekta versa hd user manual