Journal
ULTRASOUND IN MEDICINE AND BIOLOGY
Volume 47, Issue 3, Pages 833-846Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2020.11.020
Keywords
Trans-rectal ultrasound; Prostate brachytherapy; Simulation-based medical education; Anthropomorphic training phantom
Funding
- Technological University of Dublin
- Irish Association of Physicists in Medicine
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This study focused on the design, development, and evaluation of a simulation-based training model for TRUS PBT, using 3-D printed moulds and tissue-mimicking materials to provide clinical and haptic feedback for users. Through an iterative design process, prototypes were constructed and evaluated by experienced clinical brachytherapy oncologists to improve the fidelity of the training simulators.
The quality of the trans-rectal ultrasound (TRUS) image, and thus seed placement during the prostate brachytherapy (PBT) procedure, relies on the user's technical and clinical competency. Simulation-based medical education can provide a structured approach for the acquisition of clinical competencies, but the efficacy of the training relies on the fidelity of the training simulators. In this work, the design, development and preliminary evaluation of an anthropomorphic training phantom for TRUS PBT is described. TRUS clinical patient data informed the design of 3-D printed moulds to fabricate prostate targets. Tissue-mimicking materials were included that had the sonographic characteristics of the prostate and overlying tissues, as well as the clinically relevant physical response, to provide haptic feedback to the user. Through an iterative design process, prototypes were constructed. These prototypes were quantitatively evaluated using a specification list and evaluated by an experienced clinical brachytherapy oncologist; their feedback was implemented, and the results of this evaluation are presented. (E-mail: andreajanedoyle@gmail.com) (C) 2020 World Federation for Ultrasound in Medicine & Biology. All rights reserved.
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