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ProBeam® Proton Therapy

Proton therapy is a major technological advance in cancer care. The effectiveness of proton therapy is due to the way the energy is delivered at a prescribed depth known as the Bragg Peak.

Varian's ProBeam® system is at the forefront of the industry, having created the world's first commercially available pencil beam scanning system, which is the most precise form of proton therapy available. Only pencil beam scanning is able to deliver intensity modulated proton therapy (IMPT), which is recognised for its effectiveness and conformity of dose delivery, and considered an advance over other proton therapy delivery methods.

Currently, proton therapy as a whole - offered at 48 centres worldwide - composes a small percentage of radiotherapy treatment options. But many centres are in the planning or construction phases.

ProBeam Compact Single-Room Proton Therapy Solution

ProBeam Compact Single-Room Proton Therapy Solution

With the ProBeam System, clinicians can take advantage of Varian's first-in-the- industry expertise in pencil beam scanning, which offers more precise control from the beam to the targeted tumour. In addition, a single-room system requires significantly less space than a multi-room proton therapy centre, fitting into an area the size of a tennis court or about 20 parking spaces.

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ProBeam Multi-Room Proton Therapy System

ProBeam Multi-Room Proton Therapy System

Some centres may opt for a multi-room proton center with its capacity to treat higher numbers of patients. Others may choose a compact, single-room system. Varian's ProBeam system delivers the same technologically advanced pencil beam scanning therapy - as well as a fully rotational gantry, a single integrated console and other advanced functions - regardless of the number of treatment rooms.

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Brief Look at Pencil Beam Scanning Advantages

Varian stands apart from other proton therapy systems in that it uses pencil beam scanning exclusively. With the ability to programme pencil beam scanning to the precise depth of the tumour, clinicians are now able to achieve the following:

  • Deliver higher radiation doses with increased conformity and speed of the dose than experienced with scattering proton technology.
  • Sculpt doses to the complex shapes that reflect the contour
    of the tumours
  • Treat tumours in difficult locations, for example tumours that
    are surrounded by critical, healthy tissue and organs
  • Can often reduce the side effects common in traditional
    radiotherapy, due to sparing of healthy tissues

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