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Related Experiment Video

Updated: Jul 9, 2025

A Personalized 3D-Printed Model for Preoperative Evaluation in Thyroid Surgery
04:42

A Personalized 3D-Printed Model for Preoperative Evaluation in Thyroid Surgery

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A Novel Low-Cost, Open-Source, Three-Dimensionally Printed Thyroplasty Simulator.

Julianna C Kostas1, Mark Lee1, Anaïs Rameau1

  • 1Sean Parker Institute for the Voice, Department of Otolaryngology - Head and Neck Surgery, Weill Cornell Medicine, New York, New York.

Journal of Voice : Official Journal of the Voice Foundation
|November 30, 2023
PubMed
Summary

This study introduces a novel, low-cost 3D-printed thyroplasty simulator with realistic laryngeal anatomy. The high-fidelity model offers valuable surgical training for medialization thyroplasty procedures.

Keywords:
3D printingSimulationSurgical educationThyroplasty

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Area of Science:

  • Medical Simulation
  • Surgical Education
  • 3D Printing Technology

Background:

  • Surgical training for procedures like medialization thyroplasty on awake patients presents significant challenges.
  • Three-dimensional (3D)-printed simulators offer a safe, low-stakes environment for practicing complex surgical techniques.

Purpose of the Study:

  • To present the first 3D-printed thyroplasty simulator featuring a cartilaginous framework and realistic endolaryngeal soft tissues.
  • To evaluate the educational value and fidelity of this novel surgical simulator.

Main Methods:

  • 3D printing of male and female laryngeal cartilages using heat-treated polylactic acid (HTPLA) and silicone endolarynges.
  • Integration of the larynx model into a 3D-printed manikin with endoscopic visualization capabilities.
  • Evaluation by eight laryngologists assessing anatomical realism, material properties, and overall simulation experience.

Main Results:

  • The simulator received high ratings for educational value (mean 4.7/5) and overall value (mean 4.8/5), with good fidelity (mean 3.8/5).
  • Qualitative feedback highlighted anatomical realism and the suitability of HTPLA for simulating thyroid cartilage.
  • The cost of materials for one larynx model was remarkably low at $4.09.

Conclusions:

  • This high-fidelity 3D-printed simulator is an effective educational tool for thyroplasty training.
  • The low-cost, open-source design promotes widespread accessibility for surgical simulation platforms.