MultiMet-WL Cube​

As clinics move toward single-isocenter multiple-met SRS treatments, more stringent off-axis QA is needed. The MultiMet-WL Cube efficiently measures targets up to 7 cm off-axis within 0.1 mm accuracy.

Six Isocenters for MultiMet QA
The MultiMet-WL Cube uses six targets set at precise locations from isocenter to measure off-axis and rotational gantry, collimator, and couch errors.

Off-Axis WL Tests, Fast
Complete six off-axis Winston-Lutz tests in the time it would normally take to complete just one. Automated software and an optimized RT plan enable fast and clinically useful analysis of the combined W/L results.

Versatile Small-Field Tool
Use as a standalone phantom or combine with the StereoPHAN™ and SRS MapCHECK® for an end-to-end stereotactic QA program.

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Description

Key Features
  • Precise phantom with 6 spherical targets
    (5 mm in diameter) set at precise locations
    – Quantifiable accuracy up to 7 cm off isocenter
    – Reduced likelihood of phantom placement errors
  •  Surface-level cross-hair markings visible in CT imaging,
    easing phantom orientation and alignment to delivery
    system
  •  Compatibility with Cone, MLC or Jaw deliveries
  •  User-friendly software workflow
    – Extended Winston-Lutz (WL) analysis to calculate
    3D locations of off-axis targets in patient frame of
    reference, helping identify and reduce positioning
    errors
    – Ability to identify source of error — Gantry, Couch or
    Collimator — in 6 degrees of freedom
    – Software included to automate analysis
INAPROC
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