Radiation Therapy Equipment Transport: Moving Linear Accelerators and Simulation Systems Safely
A linear accelerator is among the heaviest, most precisely calibrated, and most clinically consequential pieces of equipment in any hospital. Linacs deliver targeted radiation doses to cancer patients with millimeter-level accuracy, and that accuracy depends on mechanical precision that can be affected by improper handling during transport. Moving a linac safely requires heavy rigging expertise, vault access coordination, OEM-supervised deinstallation, and a recommissioning process that verifies every beam parameter before the first patient treatment at the new location.
Vault Access Challenges
Linear accelerators are installed inside radiation therapy vaults with concrete walls that may be three to six feet thick. These vaults are designed to contain the radiation produced during treatment and are often built around the linac, meaning the equipment cannot be removed through standard doorways. Extraction requires either disassembly of the linac into components small enough to fit through the vault door, or creation of a temporary access opening in the vault wall.
STSI coordinates vault access planning with the facility's radiation safety officer, structural engineer, and the linac manufacturer's installation team. The access plan must account for the weight and dimensions of each component, the rigging path from the vault interior to the building exterior, and the structural implications of any temporary wall modifications.
Linac Deinstallation
Linac deinstallation is performed under OEM supervision. The gantry, treatment couch, and multileaf collimator assembly are precision components that require specific handling procedures to prevent damage. Electrical disconnection, cooling system drainage, and mechanical decoupling follow the manufacturer's specified sequence. STSI's rigging team executes the physical separation and extraction under the OEM technician's direction.
Transport
Linac components are heavy and mechanically sensitive. The gantry alone can weigh 10,000 pounds or more. STSI transports linac components on air-ride suspension trailers with individual securing and vibration isolation for each component. The MLC assembly, which contains hundreds of precision-machined tungsten leaves, receives dedicated vibration-isolated packaging.
Recommissioning
Post-installation recommissioning of a linear accelerator is the most extensive quality assurance process of any medical device category. Beam energy verification, field flatness and symmetry testing, jaw and MLC calibration, mechanical and radiation isocenter coincidence verification, and end-to-end testing with anthropomorphic phantoms must all be completed by the facility's medical physics team and the OEM before patient treatments resume. This process typically takes one to two weeks.
STSI coordinates the recommissioning schedule with the OEM and the facility's physics team as part of the overall project timeline.
Get a quote for your radiation therapy equipment transport from STSI. https://spectransport.com/industries/medical-equipment
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- Location: Berlin, CT - 24/7/365
- Email: STSI@Spectransport.com
- Phone: (860) 828-3286
About the Author
Nick Herrera
Chief Marketing Officer
Specialty Transport Solutions International
Nick Herrera leads marketing strategy at STSI, where he translates complex logistics operations into actionable insights for enterprise decision-makers. With deep expertise in data center migration and specialty freight, Nick works closely with STSI's operations teams to document best practices from thousands of mission-critical moves.
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