| Model |
Artiste |
Oncor (Impression, Expression, & Avante Garde) |
Primus K |
Primus M |
| Other Variations |
Artiste |
Impression, Expression, Avante Garde |
Primus 6, Primus 10, Primus 15, Primus 17, Primus 19 |
Primus 10M, Primus 15M, Primus 17M, Primus 19M |
| Years 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 |
6&10/15/18 |
| Electron Energies |
Yes |
Yes |
Yes |
Yes |
| Multi-Leaf Collimator (MLC)** |
160 |
58; 82; 160 |
58 |
58 |
| Portal Imager(EPID)** |
Optivue (Amorphous Silicon) |
Optivue (Amorphous Silicon) |
BeamView, Optivue (optional) |
BeamView, Optivue (optional) |
| Treatment Delivery |
3D, IMRT, VMAT, SRS/SBRT |
3D, IMRT, VMAT, SRS/SBRT |
3D, IMRT, SRS/SBRT (optional) |
3D, IMRT, SRS/SBRT (optional) |
| KV Imaging for IGRT** |
K-Vision |
N/A |
N/A |
N/A |
| M-Vision, In room CT (optional) |
M-Vision |
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 |
| Market Demand*** |
* |
* |
* |
* |
| Pros |
Extremely affordable since Siemens exited linac market |
Extremely affordable in the secondary market |
Inexpensive in secondary market
Good for parts to support newer machines
Few available |
Plentiful and inexpensive in secondary market
Good for parts to support newer machines |
| Cons |
Few available in the secondary market
Requires R&V software to operate MLC |
Few are being installed anymore
Require expensive R&V software to operate MLC |
Few are being installed anymore
Require expensive R&V software to operate MLC |
Few are being installed anymore
Require expensive R&V software to operate MLC |
