3 years ago

Application of TG‐100 risk analysis methods to the acceptance testing and commissioning process of a Halcyon linear accelerator

P. Troy Teo, Min-Sig Hwang, William Gary Shields, Pavel Kosterin, Si Young Jang, Dwight E. Heron, Ronald J. Lalonde, M. Saiful Huq

Abstract

Purpose

A new type of linear accelerator (linac) was recently introduced into the market by a major manufacturer. Our institution is one of the early users of this pre‐assembled and pre‐configured dual‐layer MLC, ring‐gantry linac – HalcyonTM (1st version). We performed a set of full acceptance testing and commissioning (ATC) measurements for three Halcyon machines and compared the measured data with the standard beam model provided by the manufacturer. The ATC measurements were performed following the guidelines given in different AAPM protocols as well as guidelines provided by the manufacturer. The purpose of the present work was to perform a risk assessment of the ATC process for this new type of linac and investigate whether the results obtained from this analysis could potentially be used as a guideline for improving the design features of this type of linac.

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