对骨盆区域增材制造定制植入物的随访结果进行系统回顾。

IF 2.9 3区 医学 Q3 ENGINEERING, BIOMEDICAL
Jeffrey Zoltan, Diana Popescu, Seyed Hamid Reza Sanei
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引用次数: 2

摘要

导言:虽然用于术前规划或定制手术模板的骨模型3D打印已经成功实施,但使用针对患者的增材制造(AM)植入物是一种较新的应用,尚未得到很好的建立。为了充分评价这类植入物的优缺点,需要对其随访结果进行评价。涵盖领域:这篇系统综述提供了关于AM植入物用于肿瘤重建、全髋关节置换术(包括原发性和翻修)、髋臼骨折和骶骨缺损的随访报告。专家意见:回顾表明钛合金(Ti4AL6V)由于其优异的生物力学性能是最常用的材料系统类型。电子束熔化(EBM)是制造植入物的主要增材制造工艺。在几乎所有情况下,通过设计晶格或多孔结构来实现接触面的孔隙度,以增强骨整合。随访评估显示有希望的结果,只有少数患者出现无菌性松动、磨损或不对准。报道的最长随访时间髋臼固定器为120个月,髋臼杯为96个月。AM植入物已被证明是恢复病前骨盆骨骼解剖结构的绝佳选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A systematic review of follow-up results of additively manufactured customized implants for the pelvic area.

Introduction: While 3D printing of bone models for preoperative planning or customized surgical templating has been successfully implemented, the use of patient-specific additively manufactured (AM) implants is a newer application not yet well established. To fully evaluate the advantages and shortcomings of such implants, their follow-up results need to be evaluated.

Area covered: This systematic review provides a survey of the reported follow-ups on AM implants used for oncologic reconstruction, total hip arthroplasty both primary and revision, acetabular fracture, and sacrum defects.

Expert opinion: The review shows that Titanium alloy (Ti4AL6V) is the most common type of material system used due to its excellent biomechanical properties. Electron beam melting (EBM) is the predominant AM process for manufacturing implants. In almost all cases, porosity at the contact surface is implemented through the design of lattice or porous structures to enhance osseointegration. The follow-up evaluations show promising results, with only a small number of patients suffering from aseptic loosening, wear, or malalignment. The longest reported follow-up length was 120 months for acetabular cages and 96 months for acetabular cups. The AM implants have proven to serve as an excellent option to restore premorbid skeletal anatomy of the pelvis.

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来源期刊
Expert Review of Medical Devices
Expert Review of Medical Devices 医学-工程:生物医学
CiteScore
5.90
自引率
3.20%
发文量
69
审稿时长
6-12 weeks
期刊介绍: The journal serves the device research community by providing a comprehensive body of high-quality information from leading experts, all subject to rigorous peer review. The Expert Review format is specially structured to optimize the value of the information to reader. Comprehensive coverage by each author in a key area of research or clinical practice is augmented by the following sections: Expert commentary - a personal view on the most effective or promising strategies Five-year view - a clear perspective of future prospects within a realistic timescale Key issues - an executive summary cutting to the author''s most critical points In addition to the Review program, each issue also features Medical Device Profiles - objective assessments of specific devices in development or clinical use to help inform clinical practice. There are also Perspectives - overviews highlighting areas of current debate and controversy, together with reports from the conference scene and invited Editorials.
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