“人与机器:耳廓框架的3D铣削”。

IF 1.3 4区 医学 Q2 Dentistry
Cleft Palate-Craniofacial Journal Pub Date : 2025-11-01 Epub Date: 2024-12-05 DOI:10.1177/10556656241286732
Jina Yom, Jose F Palacios, Allison Neuwirth, Elisa K Atamian, Todd Goldstein, Nicholas Bastidas
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引用次数: 0

摘要

目的:人工制作自体肋骨是目前小体缺损重建的金标准。最近的临床成功植入尸体肋软骨移植物打开了护理点耳廓框架生产的可能性。本文评价了尸体肋软骨三维铣削用于耳廓支架制作的可行性和有效性。设计:用肥皂手工雕刻出Nagata/Firmin风格的耳廓框架,并进行3D扫描,在台式三轴计算机数控(CNC)机床上设计铣削刀具路径。然后将尸体肋软骨磨成整体框架。完成一个完整框架的时间被记录下来。进行了尺寸/体积分析。主要结果测量指标:主要结果测量指标为从尸体软骨磨成完整耳廓框架的总时间以及与模型耳的尺寸/体积比较。结果:软骨框架的总铣削时间约为7分钟。最后的步骤多花了20分钟。制作准备植入的最终框架的总时间约为27分钟,而传统的手工雕刻则需要1-2小时。所有的尺寸对比与手工雕刻的模型都在2毫米以内。体积分析显示相似度为71%。结论:尸体肋软骨框架整体铣削是可行且有效的。3D铣削可显著缩短框架的生产时间,并允许精确重建复杂的耳廓几何形状,从而节省成本,优化患者安全,并有可能针对特定患者进行重建。实现临床应用的下一步是确保框架无菌。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
"Man vs. Machine: 3D Milling of Auricular Frameworks".

ObjectiveAutologous rib harvest with manual framework production is the current gold standard for microtia reconstruction. Recent clinical success with implantation of cadaveric costal cartilage grafts opens the possibility of point of care auricular framework production. This paper assesses the feasibility and efficiency of 3D milling of cadaveric costal cartilage for auricular framework production.DesignA Nagata/Firmin style auricular framework was manually carved en bloc out of soap and 3D scanned to design a milling toolpath on a desktop 3-axis computer numerical control (CNC) machine. An en bloc framework was then milled from cadaveric costal cartilage. Time to mill a complete framework was recorded. The dimensional/volumetric analyses were performed.Main Outcome Measure(s)The main outcome measures were total time to mill a complete auricular framework out of cadaveric cartilage and dimensional/volumetric comparisons to the model ear.ResultsTotal milling time for the cartilage framework was approximately 7 min. Finalizing steps took an extra 20 min. Total time to produce a final framework ready for implantation was approximately 27 min, compared to the traditional 1-2 h by manual carving. All dimensional comparisons were within 2 mm to the manually carved model. Volumetric analysis showed 71% similarity.ConclusionsEn bloc cadaveric costal cartilage framework milling is both feasible and efficient. 3D milling significantly reduces framework production time and allows for accurate reconstruction of the complex ear geometry, which can translate to cost savings, optimized patient safety, and potential for patient-specific reconstruction. The next step toward achieving clinical application is ensuring framework sterility.

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来源期刊
Cleft Palate-Craniofacial Journal
Cleft Palate-Craniofacial Journal DENTISTRY, ORAL SURGERY & MEDICINE-SURGERY
CiteScore
2.20
自引率
36.40%
发文量
0
审稿时长
4-8 weeks
期刊介绍: The Cleft Palate-Craniofacial Journal (CPCJ) is the premiere peer-reviewed, interdisciplinary, international journal dedicated to current research on etiology, prevention, diagnosis, and treatment in all areas pertaining to craniofacial anomalies. CPCJ reports on basic science and clinical research aimed at better elucidating the pathogenesis, pathology, and optimal methods of treatment of cleft and craniofacial anomalies. The journal strives to foster communication and cooperation among professionals from all specialties.
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