Selection.  OSI not only sells the most pre-owned linear accelerators and simulators in the industry; it procures the most units for refurbishment, and maintains the most inventory. With OSI, you’re assured to find the widest selection to meet your technology needs-- from basic units to fully loaded Siemens and Varian systems with MLC and Portal Imaging.

Quality Control.  OSI’s unique FDA-registered refurbishment factories carry out systematic inspection, refurbishment and testing under controlled conditions, using the finest testing equipment, tools and parts.

Reliability.  OSI is committed to providing quality, fully refurbished pre-owned linear accelerators that measure up to newly purchased models in terms of reliability and longevity. Learn more about OSI refurbishment process.

Warranty.  OSI is proud to offer a warranty with all our units. The OSI nationwide service network stands behind every machine, ready to continue lifetime support for your purchase even after our warranty expires.

Finest Engineering.  The OSI factory team boasts some of the most experienced and highly trained linear accelerator engineers in the world. This team is ready to work with your general contractor to ensure trouble-free installations.

Technology Upgrades.  OSI has partnerships with many top class vendors to bring state-of-the-art capabilities to reliable refurbished linear accelerators, in the area of Treatment Planning, IMRT and IGRT delivery and Record and Verification systems.

Value.  The cost saving possible with OSI refurbished equipment is a key factor in lowering the barriers to providing IMRT and other advanced treatments in smaller communities.