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Custom-made tumor prosthesis fracture and prosthesis design
Author(s): Xun Jian-jun1, Li Yan-fang2 1Department of Orthopedics, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, Hebei Province, China, 2Department of Gynecology, Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
Pages: 4131-
4133
Year: 2011
Issue:
22
Journal: Journal of Clinical Rehabilitative Tissue Engineering Research
Keyword: 定制肿瘤假体; 骨肿瘤; 假体断裂; 假体设计; 假体材料; 应力;
Abstract: 背景:因肿瘤型假体置换后并发症而再次手术的患者不断增加,其定制肿瘤假体的断裂是原因之一。目的:总结分析定制肿瘤假体发生断裂的原因,以及其与假体设计的关系。方法:以"定制肿瘤假体,假体断裂"为中文关键词;"Custom-madeprosthesis,Endoprosthesisfatiguefracture"为英文关键词。采用计算机检索2000-01/2010-12相关文章。纳入与有关定制肿瘤假体设计及假体断裂翻修相关的文章;排除重复研究或Meta分析类文章。以14篇文献为主重点进行了讨论。结果与结论:假体断裂的原因主要有假体设计缺陷,假体材料、加工工艺不合格,放置失误,手术软组织重建困难及缺少骨支撑等方面。通过了解肿瘤假体应力集中部位及应力峰值,可以预测内固定系统的寿命。
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