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首页> 外文期刊>The Laryngoscope: A Medical Journal for Clinical and Research Contributions in Otolaryngology, Head and Neck Medicine and Surgery, Facial Plastic and Reconstructive Surgery .. >An Open-Source Three-Dimensionally Printed Laryngeal Model for Injection Laryngoplasty Training
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An Open-Source Three-Dimensionally Printed Laryngeal Model for Injection Laryngoplasty Training

机译：用于注射喉移植术培训的开源三维印刷喉模型

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Objectives/Hypothesis A limited number of three-dimensionally (3D)-printed laryngeal simulators have been described in the literature, only one of which is specifically designed for percutaneous injection laryngoplasty (PIL) training and is currently of limited availability. This study describes the development and evaluation of a high-fidelity, open-source, low-cost 3D-printed simulator for PIL training, improving on existing models. Study Design Simulator design and survey evaluation. Methods Computed tomography scans of the upper airways were processed with 3D Slicer to generate a computer model of the endolarynx. Blender and Fusion 360 were used to refine the mucosal model and develop casts for silicone injection molding. The casted endolaryngeal structures were inserted into a modified version of a publicly available laryngeal cartilage model. The final models were evaluated by 10 expert laryngologists using a customized version of the Michigan Standard Simulation Experience Scale. Internal consistency and interrater reliability of the survey were evaluated using Cronbach's alpha and intraclass correlation, respectively. Results Expert laryngologists highly rated the model for measures of fidelity, educational value, and overall quality (mean = 4.8, standard deviation = 0.5; 1 = strongly disagree, 5 = strongly agree). All reviewers rated the model as ready for use as is or with slight modifications. The filament needed for one cartilage model costs $0.96, whereas the silicone needed for one soft-tissue model costs $1.89. Conclusions Using 3D-printing technology, we successfully created the first open-source, low-cost, and anatomically accurate laryngeal model for injection laryngoplasty training. Our simulator is made freely available for download on Wikifactory with step-by-step tutorials for 3D printing, silicone molding, assembly, and use. Level of Evidence NALaryngoscope, 2020
机译：目的/假设文献中描述了数量有限的三维（3D）打印喉模拟器，其中只有一个是专门为经皮注射喉成形术（PIL）培训设计的，目前可用性有限。这项研究描述了一个高保真、开源、低成本的三维打印模拟器的开发和评估，用于PIL培训，改进了现有模型。研究设计模拟器设计和调查评估。方法利用3D切片机对上呼吸道进行CT扫描，生成喉内窥镜的计算机模型。Blender和Fusion 360用于完善粘膜模型，并开发用于硅树脂注射成型的铸型。铸造的喉内结构被插入到一个公开的喉软骨模型的改良版本中。最终的模型由10名喉科专家使用密歇根标准模拟经验量表的定制版本进行评估。分别使用克朗巴赫阿尔法和组内相关性评估调查的内部一致性和组间可靠性。结果喉科专家对模型的忠诚度、教育价值和整体质量进行了高度评价（平均值=4.8，标准差=0.5；1=强烈不同意，5=强烈同意）。所有评审人员都认为该模型可以按原样使用，或稍作修改。一个软骨模型所需的纤维价格为0.96美元，而一个软组织模型所需的硅胶价格为1.89美元。结论利用3D打印技术，我们成功地创建了第一个开源、低成本、解剖精确的喉模型，用于注射喉成形术训练。我们的模拟器可以在Wikifactory上免费下载，包括3D打印、硅胶成型、组装和使用的逐步教程。2020年的证据水平分析镜

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