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A three-dimensional printed myringotomy, tympanostomy and ventilation tube placement simulator

Published online by Cambridge University Press:  06 May 2021

L Ferreira e Silva ,
M Chisté Ferreira ,
I I Couceiro Seto ,
A Martins Umbelino ,
V C Aguiar Gomes ,
L de Borborema Garcia  and
L J Almeida Amaro
L Ferreira e Silva*
Affiliation:
Otolaryngology Unit, University Hospital Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Belém, Brazil Núcleo de Medicina Tropical, Federal University of Pará, Belém, Brazil
M Chisté Ferreira
Affiliation:
Medical School, Universidade do Estado do Pará, State University of Pará, Belém, Brazil
I I Couceiro Seto
Affiliation:
Otolaryngology Unit, University Hospital Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Belém, Brazil
A Martins Umbelino
Affiliation:
Otolaryngology Unit, University Hospital Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Belém, Brazil
V C Aguiar Gomes
Affiliation:
Otolaryngology Unit, University Hospital Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Belém, Brazil
L de Borborema Garcia
Affiliation:
Otolaryngology Department, Universidade Federal de São Paulo, Brazil
L J Almeida Amaro
Affiliation:
Otolaryngology Unit, University Hospital Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Belém, Brazil
*
Author for correspondence: Mr Luigi Ferreira e Silva, Otolaryngology Unit, Hospital Universitário Bettina Ferro de Souza, Hospital Complex of Federal University of Pará, Rua Augusto Corrêa, 01, Campus Guamá, Belém66075-110, Brazil E-mail: [email protected]
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Abstract

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 × 4 × 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.

Keywords

Medical EducationSimulation TrainingEducational TechnologyMiddle Ear VentilationInternship And Residency
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 135 , Issue 5 , May 2021 , pp. 420 - 425
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Mr L Ferreira e Silva takes responsibility for the integrity of the content of the paper

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