Siemens Linear Accelerator Comparison Chart*

Models Artiste Oncor (Impression,
Expression,&
Avante Garde)
Primus K Primus M
Year(s)
Manufactured
2009-2011 2004-2011 1998-2005 1998-2005
Power Source Klystron Klystron, Magnetron Klystron Magnetron
Photon Energy
Configuration
6&10/15/18 6&10/15/18 6&10/15/18 6MV
Electron Energies Yes Yes Yes Yes
Multi-Leaf
Collimator (MLC)**
 160 MLC 58; 82; 160 MLC
(optional) 
58 MLC   58 MLC 
Portal Imager
(EPID)**
 Optivue
(Amorphous
Silicon)
  Optivue
(Amorphous
Silicon)
 BeamView,
Optivue
(optional)
 BeamView,
Optivue
(optional)
Treatment Delivery 3D, IMRT, VMAT, SRS 3D, IMRT, VMAT, SRS 3D, IMRT,
SRS (optional)
3D, IMRT,
SRS (optional)
KV Imaging for IGRT** K-Vision N/A N/A N/A
CBCT M-Vision, In room CT (optional) M-Vision N/A N/A
Stereotactic
Radiosurgery**
Cones or MLC Based Cones or MLC Based Cones or MLC Based Cones or MLC Based
Treatment Couch TXT ZXT or TXT ZXT ZXT
Demand/Resale
Value***
$$$ $$ $ $
*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 $$$$$ indicate that the resale demand for like systems is high, and used equipment will therefore command a higher price
Few dollar signs indicate that the resale demand is lower, and prices for used equipment is lower. One $ indicates very little, if any, value currently exists.

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