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低成本3D打印鼻骨截骨术训练模型的设计与打印：开发与可行性研究

Design and Printing of a Low-Cost 3D-Printed Nasal Osteotomy Training Model: Development and Feasibility Study.

作者信息

Ho Michelle, Goldfarb Jared, Moayer Roxana, Nwagu Uche, Ganti Rohan, Krein Howard, Heffelfinger Ryan, Hutchinson Morgan Leigh

机构信息

Health Design Lab, Thomas Jefferson University, Philadelphia, PA, United States.

Department of Otolaryngology, Thomas Jefferson University, Philadelphia, PA, United States.

出版信息

JMIR Med Educ. 2020 Nov 17;6(2):e19792. doi: 10.2196/19792.

DOI:10.2196/19792
PMID:33200998
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7708083/
Abstract

BACKGROUND

Nasal osteotomy is a commonly performed procedure during rhinoplasty for both functional and cosmetic reasons. Teaching and learning this procedure proves difficult due to the reliance on nuanced tactile feedback. For surgical simulation, trainees are traditionally limited to cadaveric bones, which can be costly and difficult to obtain.

OBJECTIVE

This study aimed to design and print a low-cost midface model for nasal osteotomy simulation.

METHODS

A 3D reconstruction of the midface was modified using the free open-source design software Meshmixer (Autodesk Inc). The pyriform aperture was smoothed, and support rods were added to hold the fragments generated from the simulation in place. Several models with various infill densities were printed using a desktop 3D printer to determine which model best mimicked human facial bone.

RESULTS

A midface simulation set was designed using a desktop 3D printer, polylactic acid filament, and easily accessible tools. A nasal osteotomy procedure was successfully simulated using the model.

CONCLUSIONS

3D printing is a low-cost, accessible technology that can be used to create simulation models. With growing restrictions on trainee duty hours, the simulation set can be used by programs to augment surgical training.

摘要

背景

出于功能和美容原因，鼻骨切开术是隆鼻手术中常用的一种术式。由于依赖细微的触觉反馈，该手术的教学颇具难度。在手术模拟方面，传统上实习生只能使用尸体骨骼，这成本高昂且难以获取。

目的

本研究旨在设计并打印一种用于鼻骨切开术模拟的低成本中面部模型。

方法

使用免费开源设计软件Meshmixer（欧特克公司）对中面部的三维重建模型进行修改。将梨状孔平滑处理，并添加支撑杆以固定模拟产生的碎片。使用桌面3D打印机打印了几种具有不同填充密度的模型，以确定哪种模型最能模拟人类面部骨骼。

结果

使用桌面3D打印机、聚乳酸细丝和易于获取的工具设计了一套中面部模拟模型。使用该模型成功模拟了鼻骨切开术。

结论

3D打印是一种低成本、易于获取的技术，可用于创建模拟模型。随着对实习生值班时间的限制日益增加，该模拟模型可被各项目用于加强手术培训。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/9c6de42fc311/mededu_v6i2e19792_fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/c8f2450691b6/mededu_v6i2e19792_fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/72a22dc66db7/mededu_v6i2e19792_fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/40a77c8664d6/mededu_v6i2e19792_fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/f732b1583719/mededu_v6i2e19792_fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/90d3fb662b82/mededu_v6i2e19792_fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/a8d7c72a95e0/mededu_v6i2e19792_fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/9c6de42fc311/mededu_v6i2e19792_fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/c8f2450691b6/mededu_v6i2e19792_fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/72a22dc66db7/mededu_v6i2e19792_fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/40a77c8664d6/mededu_v6i2e19792_fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/f732b1583719/mededu_v6i2e19792_fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/90d3fb662b82/mededu_v6i2e19792_fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/a8d7c72a95e0/mededu_v6i2e19792_fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b20/7708083/9c6de42fc311/mededu_v6i2e19792_fig7.jpg

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