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ProBeam® Multi-Room Proton Therapy SolutionFeatures

ProBeam Multi-Room Features

ProBeam® Proton System Features

A number of unique, integrated features are responsible for the great precision offered by Varian's proton systems. 

Patient Treatment Room

Patient Treatment Room

The cylindrical treatment room—about 16.5 feet (5 meters) x 11.5 feet (3.5 meters)— allows for efficient treatment.

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Dynamic Peak™ Scanning

With Dynamic Peak Scanning, the proton beam is "painted" on the tumor in tiny segments—sometimes thousands of spots—from multiple angles. Other features include:

  • Pencil beam scanning for precise control of the proton beam to the size, shape, and desired layer
    of the targeted tumor—even tumors with complex shapes
  • Improved dose conformity and dose control
  • Avoiding the need for beam-modifying devices
  • Dose delivery of 2 Gy / L / minute across the energy range
  • Treatment of tumors rapidly
  • Minimal radiation exposure to healthy surrounding tissue compared to conventional
    radiation therapy

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ProBeam Dynamic Peak Imaging

Dynamic Peak Imaging

Dynamic Peak Imaging offers:

  • Onboard kV which allows a choice of dual X-rays and cone beam computed tomography (CBCT) imaging
  • Optimized image guidance
  • Image analysis

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Dynamic Peak Workflow

Dynamic Peak Workflow

Dynamic Peak WorkFlow system allows the clinician to move easily and efficiently from treatment preparation to patient set-up to actual patient treatment. Other features include:

  • Intuitive interface
  • Automatic sequencing of fields with remote motion and imaging control—allowing the clinician to deliver
    dose to two treatment fields, in two different beam directions, from outside the treatment room
  • Automatic sequencing of beam requests
  • A single console integrating imaging and treatment
  • Simple completion of complex tasks

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Patient Positioning System

Patient Positioning System

Using calculated values from the imaging system, the robotic treatment table moves into position automatically , and it can be operated from inside the treatment room or remotely from the control room. It offers:

  • Remote repositioning for more efficient treatment times
  • All six degrees of freedom of movement 

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Superconducting Cyclotron

Superconducting Cyclotron

Varian's isochronous superconducting cyclotron accelerates protons to roughly 100,000 miles per second. That's more than two-thirds the speed of light—equal to circling the earth four times in one second. The cyclotron operates continuously for maximum efficiency. Some additional features are:

  • A continuous beam
  • A sufficient and scalable beam intensity to treat tumors at depths of 4-30 cm without range shifters
  • A compact internal ion source
  • A compact footprint

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Beam Transport System

Beam Transport System

With the use of large bending and focusing magnets, the proton therapy beam is guided from the accelerator and the energy selection system into the treatment room. This well-tuned beam transport system has the following features:

  • Designed specifically for—not adapted to—pencil beam scanning
  • Precise and stable optics
  • Beam that is independent of gantry angle

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360° Rotating Gantry

360° Rotating Gantry

The gantry rotates 190° in each direction offering 360° treatment rotations and the cylindrical treatment room is optimized for efficient workflow. Other features include:

  • Delivery of proton beam and imaging at any angle
  • Inherent stability by design

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