期刊
JOURNAL OF LARYNGOLOGY AND OTOLOGY
卷 135, 期 5, 页码 420-425出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0022215121001146
关键词
Medical Education; Simulation Training; Educational Technology; Middle Ear Ventilation; Internship And Residency
A three-dimensional printed model simulator for myringotomy, tympanostomy, and ventilation tube placement was successfully developed, with low cost and satisfactory results. The advent of three-dimensional printing technology has made surgical simulation more accessible and less expensive, providing several advantages for medical education.
Objective Tympanostomy is one of the most commonly performed surgical procedures in otolaryngology, and its complexity is challenging for trainee surgeons. Investing in medical education is a cornerstone of good patient safety practices. For trainees, use of simulators before operating on actual patients helps mitigate risks. This study aimed to develop a three-dimensional printed model simulator for myringotomy, tympanostomy and ventilation tube placement. Methods An articulated model with a detachable portion, base and plastic bag to simulate the external auditory canal, middle ear and tympanic membrane, respectively, was modelled and printed. Results The final simulator was made from acrylonitrile butadiene styrene polymer and measured 4 x 4 x 12 cm. It was designed to mimic the angulation of patient anatomy in the myringotomy position and simulate the texture and colour of the tissues of interest. The cost was low, and testing with an operating microscope and endoscope yielded satisfactory results. The advent of three-dimensional printing technology has made surgical simulation more accessible and less expensive, providing several advantages for medical education. Conclusion The proposed model fulfilled expectations as a safe, inexpensive, reproducible, user-friendly and accessible surgical education tool that can be improved and reassessed for further research.
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