Varian Linear Accelerator

Priyanka Agarwal (Medical Physicist) Medical, Cancer & Radiation Therapy Treatment

Varian Linear Accelerator

Varian Linear Accelerator – A medical linear accelerator is the treatment unit which is most commonly used for external beam radiation treatments for patients with cancer in any area of the body. It uses high-energy X-Rays or Electrons for treatment by various treatment units. Here, the Linear Accelerator (Varian Medical Systems) have been given as per its manufacturing wise given.

1. CLINAC 600C/CD

It was manufactured from 1989 to 1999.
Available with single photon energy.
Facilities available: 40X40 cm2 field size, total 80 MLC, a-Si 500 EPID (optional), ETR couch.
Treatment Modalities: 2DRT, 3DCRT (optional), IMRT (optional).

2. CLINAC <2100C / 2100CD

It was manufactured from 1987 to 2007.
Available for multi photons & electron energies.
Facilities available: 40X40 cm2 field size, total 80 MLC, EPID (optional), EXACT couch, OBI (optional)
Treatment Modalities: 3DCRT, IMRT & SRS/ SBRT (optional)

3. CLINAC 21EX

It was manufactured from 1998 to 2006.
Available for multi photons & electron energies.
Facilities available: 40X40 cm2 field size, total 80 MLC, EPID (optional), EXACT couch, OBI (optional)
Treatment Modalities: 3DCRT, IMRT & SRS/ SBRT (optional)

4. CLINAC 600CD/6EX

It was manufactured from 1999 to current (newer).
Available with single photon energy.
Facilities available: 40X40 cm2 field size, total 80 MLC, a-Si 500 EPID, Exact couch.
Treatment Modalities: 3DCRT, IMRT, SRS (optional).

5. CLINAC IX

It was manufactured from 2004 to current.
Available for multi photons & electron energies.
Facilities available: 40X40 cm2 field size, total 80 MLC, EPID, EXACT IGRT couch, OBI (optional)
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT (optional)

6. TRILOGY

It was manufactured from 2005 to current (newer).
Available for multi photons & electron energies.
Facilities available: 40X40 cm2 field size, total 120 MLC, a-Si 1000 EPID, EXACT IGRT couch, OBI.
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT.

7. NOVALIS

It was manufactured from 2005 to current (newer).
Available for multi photons & electron energies.
Facilities available: 22X40 cm2 field size, total 120 MLC, a-Si 1000 EPID, EXACT IGRT couch, OBI.
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT.

8. TrueBeam / VitalBeam (First Digital unit)

It was manufactured from 2010 to current (newer).
Available for multi photons & electron energies.
Facilities available: 40X40 cm2 field size, total 120 MLC, a-Si 1200 EPID, EXACT IGRT couch, OBI.
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT.

9. TrueBeam STx (First Digital unit)

It was manufactured from 2010 to current (newer).
Available for multi photons & electron energies.
Facilities available: 22X40 cm2 field size, total 120 MLC, a-Si 1200 EPID, EXACT IGRT couch, OBI.
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT.

10. UNIQUE

It was manufactured from 2012 to newer.
Available with single photon energy.
Facilities available: 40X40 cm2 field size, total 120 MLC, a-Si 1000 EPID, Exact couch.
Treatment Modalities: 2DRT, 3DCRT (optional), IMRT/RapidArc (optional), SRS/SBRT (optional).

11. Edge (Digital unit)

It was manufactured from 2013 to current (newer).
Available for multi photons & electron energies.
Facilities available: 22X32 cm2 field size, total 120 MLC, a-Si 1200 EPID, Perfect Pitch couch, OBI.
Treatment Modalities: 3DCRT, IMRT, RapidArc & SRS/ SBRT.

12. HALCYON (Digital unit)

It was manufactured from 2017 to newer.
Available with single FFF photon energy.
Facilities available: 40X40 cm2 field size, dual layer MLC, Halcyon couch.
Treatment Modalities: IMRT/RapidArc, SRS/SBRT.

Read Also – Elekta Linear Accelerators

References –

www.varian.com/products
www.oncologysystems.com/resources/linear-accelerator-guides/varian-high-energy-linear-accelerators-comparison-chart

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