Mechanical characterization of the varian Exact-arm and R-arm support systems for eight aS500 electronic portal imaging devices

Mark W D Grattan, Conor McGarry

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The aim of this study is to compare the positioning accuracy at different gantry angles of two electronic portal imaging devices (EPIDs) support arm systems by using EPID difference images as a measure for displacement. This work presents a comparison of the mechanical performance of eight Varian aS500 (Varian Medical Systems, Palo Alto, CA) EPIDs, mounted using either the Varian Exact-arm or R-arm.
Original languageEnglish
Pages (from-to)1707-13
Number of pages7
JournalMedical Physics
Volume37
Issue number4
Publication statusPublished - Apr 2010

Keywords

  • Radiotherapy Planning, Computer-Assisted
  • Radiation Dosage
  • Equipment Design
  • Computer Simulation
  • Reproducibility of Results
  • Radiometry
  • Humans
  • Particle Accelerators
  • Electronics, Medical
  • Radiotherapy
  • Calibration

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