A novel formulation for scratch-based wear modelling in total hip arthroplasty.
A novel formulation for scratch-based wear modelling in total hip arthroplasty.
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DOI：
10.1080/10255842.2012.739168
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发表时间：
2014
影响因子：
1.6
通讯作者：
Brown TD
中科院分区：
文献类型：
--
作者：
Kruger KM;Tikekar NM;Heiner AD;Baer TE;Lannutti JJ;Callaghan JJ;Brown TD
全髋关节置换术中的股骨头损伤通常以离散划痕的形式出现，这可能导致聚乙烯（PE）内衬的急剧磨损加速。在这里，一种新的配方报道的磨损加速度由于划痕损伤的有限元分析。使用漫射光摄影技术对损伤区域进行全局定位，为使用高倍光学轮廓测定法确定单个划痕形态提供指导。这种多尺度图像组合允许将基于划痕的损伤模式全面输入到有限元（FE）Archard磨损模型中，以确定与特定取出股骨头相关的磨损加速度。磨损算法对个别划痕逐渐超过的PE区域施加了相应升高的磨损因子。物理验证提供了自定义规则的划痕图案的实验数据的协议。提供了4个回收股骨头的示例性磨损加速结果。
Damage to the femoral head in total hip arthroplasty often takes the form of discrete scratches, which can lead to dramatic wear acceleration of the polyethylene (PE) liner. Here, a novel formulation is reported for finite element analysis of wear acceleration due to scratch damage. A diffused-light photography technique was used to globally locate areas of damage, providing guidance for usage of high-magnification optical profilometry to determine individual scratch morphology. This multiscale image combination allowed comprehensive input of scratch-based damage patterns to a finite element (FE) Archard wear model, to determine the wear acceleration associated with specific retrieval femoral heads. The wear algorithm imposed correspondingly elevated wear factors on areas of PE incrementally overpassed by individual scratches. Physical validation was provided by agreement with experimental data for custom-ruled scratch patterns. Illustrative wear acceleration results are presented for four retrieval femoral heads.
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DOI：
10.1115/1.2939273
发表时间：
2008-12
期刊：
Journal of biomechanical engineering
影响因子：
--
作者：
Paul MC;Glennon LP;Baer TE;Brown TD
通讯作者：
Brown TD
影响因子：
5
作者：
DOWSON, D;TAHERI, S;WALLBRIDGE, NC
通讯作者：
WALLBRIDGE, NC
影响因子：
3.5
作者：
Laurent, Michel P.;Johnson, Todd S.;Yao, Jian Q.
通讯作者：
Yao, Jian Q.
DOI：
10.1115/1.1517275
发表时间：
2002-12-01
影响因子：
1.7
作者：
Brown, TD;Stewart, KJ;Callaghan, JJ
通讯作者：
Callaghan, JJ
DOI：
10.1302/0301-620x.80b5.8675
发表时间：
1998-09-01
影响因子：
--
作者：
Minakawa, H;Stone, MH;Fisher, J
通讯作者：
Fisher, J