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Elekta Linear Accelerators* Comparison Chart

Model Versa HD Infinity/Axesse Synergy/S Synergy Platform Precise Compact
Years Manufactured 2013 & newer 2009 & newer 2002 & newer 2002 & newer 1997-2005 2008 & newer
Power Source Magnetron Magnetron Magnetron Magnetron Magnetron Magnetron
Photon Energy Configuration 6&10/15/18 6&10/15/18 6&10/15/18 6&10/15/18 6&10/15/18 6
Electron Energies Yes Yes Yes Yes Yes No
Multi-Leaf Collimator (MLC)** 160 Agility MLC (Field size 40x40cm, leaf thickness-5mm) 80 MLC (Field size 40x40cm, leaf thickness-10mm) Optional: 160 Agility 80 MLC (Field size 40x40cm, leaf thickness-10mm) Optional: 160 Agility 80 MLC (Field size 40x40cm, leaf thickness-10mm) 80 MLC (Field size 40x40cm, leaf thickness-10mm) 80 MLC (Field size 40x40cm, leaf thickness-10mm)
Portal Imager(EPID)** iViewGT(Amorphous Silicon) iViewGT(Amorphous Silicon) iViewGT(Amorphous Silicon) iViewGT(Amorphous Silicon) iViewGT(Amorphous Silicon), iView (camera based) Optional
Treatment Delivery 3D, IMRT, VMAT, SRS/SBRT, SRT, SABR 3D, IMRT, VMAT, SRS/SBRT (Axesse) 3D, IMRT, VMAT, SRS/SBRT (optional) 3D, IMRT, VMAT, SRS/SBRT (optional) 3D, IMRT, SRS/SBRT (optional) 3D, IMRT, SRS/SBRT (optional)
KV Imaging for IGRT** XVI XVI XVI N/A N/A N/A
CBCT F.O.V. 50x26cm XVI XVI N/A N/A N/A
VMAT Yes Yes Yes Only with XVI N/A N/A
Treatment Couch Hexapod (6 degrees of motion) Precise, Hexapod (optional) Precise Precise Precise Precise
Market Demand***
Pros Latest, cutting-edge technology Competes with Varian TrueBeam Integrates VMAT, gating, CBCT Digital System Reliable, digital technology Includes the XVi KV-imaging Relatively inexpensive in secondary market Many systems available in secondary market Relatively inexpensive to acquire Some are dismantled and used for parts Good, budget system for international markets Reliable
Cons More expensive than other devices None available in the secondary market yet Few installed in the U.S. Few Does not include XVi component Fewer trained service engineers in U.S. than Varian Installation costs can double the cost of equipment None available in the U.S. Single photon energy only
*Data shown here may not be accurate and is based on equipment seen in the secondary market. See manufacturers for exact data. **Similar devices are manufactured by vendors other than the linear accelerator manufacturer. ***Five stars indicate that the resale demand for like systems is high, and used equipment will therefore command a higher price. Few stars indicate that the resale demand is lower, and prices for used equipment is lower. One star indicates very little, if any, demand currently exists.

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