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Radiological Imaging Technology

Machine QA MLC QA Patient QA Imaging QA



The Best Source for Helical TomoTherapy® and Radixact® QA



RITG148+ is a precise, state-of-the-art, and comprehensive software built to perform all machine and imaging QA analyses for helical TomoTherapy®. Designed with the TG-148 report in mind, RITG148+ analyzes the standardized tests, including Static & Rotational Output Consistency, Jaw Centering & Alignment, Overhead Laser Positioning, Interrupted Treatment, and all others recommended for daily, monthly, and annual QA. RITG148+ also analyzes image quality, using the Tomotherapy Cheese phantom.

RITG148+ software's combination of powerful, robust routines in a user-friendly interface maximize the efficiency and precision of all measurements. For added convenience, users can easily create PDF reports for all routines, as well as export their data to the RITtrend database for large-scale analysis over time.

RITG148+ Software
Image courtesy of Accuray  |  ©2019 Accuray Incorporated.  |  All Rights Reserved.


Automated QA Tests

  • Y-jaw divergence/beam centering
  • Y-jaw/gantry rotation plane alignment
  • Couch translation/gantry rotation
  • Gantry angle consistency
  • Treatment field centering
  • Interrupted treatment
  • MLC alignment test
  • Laser localization

Image Quality Tests

  • CT Number to Density
  • Uniformity
  • Resolution
  • Contrast
  • Noise
  • Geometric Accuracy
  • Geometric Distortion
  • Crop images with Pin Prick, Erase and ROI tool

Built-In Features

  • RITtrend™ statistical database for reporting and trending

  • PDF reports for every analysis routine

TomoTherapy® and Radixact® are registered trademarks of Accuray, Inc.

Tomotherapy® Registration   

TomoTherapy® Registration is a routine included in the RIT Complete package.

For users requiring both Machine & Patient QA, try