MR-Guided Radiotherapy

Dosimetry and QA Solutions

Which detector is best suited for reference and relative dose measurements in 1.5 T magnetic fields?

Which clinically proven tools are available for routine QC measurements?

Which water phantom can be safely used on MR-LINACs?

Discover PTW’s newest technologies and how they support your dosimetry needs for next-generation MR-LINACs.

BEAMSCAN® MR

The first motorized 3D water phantom suitable for clinical use in a 1.5 T MR environment

Benefit from a complete solution for commissioning and QA of MR-LINACs – from automatic beam data acquisition, processing and analysis to protocol-based documentation. Built to the highest quality and technology standards, BEAMSCAN MR is exceptionally robust, incredibly versatile and straightforward in its operation. As an all-built-in system, it comes ready to use on a single carriage, including everything needed. A comfortable touch panel guides you step by step through the installation and setup process.

BEAMSCAN MR Highlights

  • Dedicated 3D water phantom for use with MR-LINACs ( ≤ 1.5 T)
  • Two models with vendor-specific water tanks for optimized scanning ranges:
    568 mm x 145 mm x 355 mm for Elekta Unity,
    408 mm x 248 mm x 355 mm for ViewRay® MRIdian®
  • All-in-one, ready-to-use system with comfortable touch panel for fast setup
  • Auto alignment – no lasers or light field needed
  • Maximum speed of 30 mm/s for faster scanning
  • Reference-class Semiflex 3D ionization chambers for precise dose measurements in small and standard fields up to 40 cm x 40 cm
  • Quick axial and radial detector setup with patented TRUFIX®
  • Consistent detector orientation for all scans, including off-axis scans
  • Fast, sensitive electrometer with excellent signal-to-noise ratio for perfect scans in all field sizes
  • Straightforward operation – from setup to documentation
  • Fully integrated with Track-it for automated reporting
Brochure
Webinar "BEAMSCAN - Unique Features"
Webinar "MR-Linac commissioning with BEAMSCAN MR"
Benefit 1
Benefit 2
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Brochure

The first motorized 3D water phantoms for MR LINACs

Take a quick look into the features of BEAMSCAN MR, the first commercially available 3D water phantoms for Elekta Unity and ViewRay® MRIdian® MR LINACs.

Read the brochure

Webinar "BEAMSCAN - Unique Features"

Get an overview about the extraordinary features of our BEAMSCAN Water Phantom. See what makes this product the best choice for beam commissioning and QA.

Watch the webinar

Webinar "MR-Linac commissioning with BEAMSCAN MR"

The commissioning and quality assurance of an MR-Linac presents medical physicists with many technical and dosimetric challenges. Having a 3D water phantom system is beneficial for saving time and for enhanced data acquisition.

Watch the webinar

Benefit 1

Complete solution for commissioning and QA of MR-Linacs:

From beam data acquisition, processing and analysis to protocol-based documentation

Benefit 2

The all-in-one, ready for use system with comfortable touch panel for fast setup is exceptionally robust, incredibly versatile and straightforward in its operation

Benefit 3

Two models with vendor-specific water tanks for optimized scanning ranges for Elekta Unity and ViewRay® MRIdian®

STARCHECKmaxi ® MR

Comprehensive machine QA for MR-LINACs with one single device

As a flat-panel ionization chamber array, which is quick and easy to set up on the treatment couch, STARCHECK MAXI® MR combines versatility with outstanding efficiency. One shot delivers all relevant beam data for radiation fields up to 40 cm x 40 cm, eliminating the need to set up a 3D water phantom in daily routine or after service and repair.

STARCHECK MAXI MR Highlights

  • The only detector array to measure radiation fields up to 40 cm x 40 cm
  • Fast acquisition of all relevant beam parameters in one single measurement
  • Real-time display of beam profiles and analysis results for consistency checks and beam steering  
  • Highest spatial resolution (3 mm) for outstanding accuracy in all field regions,  including the penumbra
  • Optimal detector layout and density for QC measurements –
    707 air-vented ionization chambers arranged in a star pattern
  • Gold standard ionization chambers – no need for frequent recalibration
  • Expert analysis tools, e.g., profile comparison, protocol-based analysis, movie mode
  • Fully integrated with Track-it for automated reporting

OCTAVIUS Detector
1500 MR and 1600 MR

Comprehensive patient QA for MR-LINACs

These flat-panel ionization chamber arrays can be easily set up on the treatment couch and combined with different phantoms for patient-specific plan verification. With a detector density and resolution perfectly adapted to the application, these dedicated MR-conditional detectors provide very reliable and accurate measurements of the dose delivered.

OCTAVIUS Detector MR Highlights

OCTAVIUS Detector MR Highlights

  • Flatpanel ionization chamber array
  • Filmless patient plan verification and machine-specific QA
  • Suitable for use with the OCTAVIUS I and II systems
  • Supported by the measurement and evaluation software programs VeriSoft and BeamAdjust
  • Fully integrated with Track-it for automated reporting

OCTAVIUS Detector 1500 MR Highlights

  • Outstanding detector and matrix design: 1405 vented cubic ion chambers
  • Active volume 4.4 x 4.4 x 3 mm3 per chamber
  • Detector spacing 7.1 mm center-to-center (diagonals)
  • Uniform field coverage in a 27 x 27 cm² matrix

    OCTAVIUS Detector 1600 MR Highlights

    • Detector array with 1521 liquid-filled ionization chambers
    • Active volume 2.5 x 2.5 x 0.5 mm³ per chamber
    • Detector spacing in central area: 2.5 mm
    • Best available field coverage for SRS applications with a field size of 15 x 15 cm²

    Semiflex 3D MR & PinPoint® 3D MR

    MR conditional chambers with optimized MR imaging features

    The MR detectors come with the same characteristics as the popular Semiflex 3D (T31021) and PinPoint 3D (T31022). These new versions are specifically designed for the usage with MR-LINACs such as Elekta UNITY and ViewRay MRIdian. Besides machine QA, these chambers can be used for End2End testing to check the gating algorithm of MR LINACs.

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    Brochure
    MR-RT Products ( 2 MB )
    Catalog
    Detectors Catalog ( 3 MB3 MB )
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