Volumetric assessment of material loss from retrieved cemented metal hip replacement stems

Volumetric assessment of material loss from retrieved cemented metal hip replacement stems
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对回收的水泥金属髋关节置换术柄的材料损失进行体积评估

DOI:
10.1016/j.triboint.2014.12.026
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发表时间:
2015
影响因子:
6.2
通讯作者:
Cook R
Cook R
中科院分区:
工程技术1区
文献类型:
--
作者:
Cook R

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本研究的目的是调查抛光钴铬种植体水泥-杆界面处金属磨屑的生成规模。共取出31个Zimmer CPT骨水泥股骨假体,平均存活时间为77.8个月(38~97个月),其中70%(n=21)的假体在翻修手术时固定良好。使用光学显微镜测量体积损失,使用能够三维再现表面的焦点变化技术。损失规模明显(平均:3.1百万立方米,0.02百万立方米-11.4百万立方米),平均速率为0.5亿立方米/年(0.003-1.9亿立方米/年)。这些结果表明,水泥-杆界面的材料损失与锥形界面的材料损失相当,即使在明显固定良好的杆上也是如此。
The aim of this study was to investigate the scale of metallic wear debris generation at the cement-stem interface of polished cobalt-chrome implants. Thirty-one Zimmer CPT cemented femoral stems were retrieved; mean timein vivowas 77.8 months (range 38–97 months), with 70% (n=21) of the stems considered to be well-fixed at the time of revision surgery. Volumetric loss was measured using optical microscopy, with focus variation technology capable of 3D reproduction of the surfaces. The scale of loss was found to be pronounced (mean: 3.1 mm3, 0.02–11.4 mm3), with a mean rate of 0.5 mm3/year (0.003–1.9 mm3/year). These results demonstrate that material loss from the cement-stem interface is comparable to that of a taper interface, even in apparently well-fixed stems.
DOI: 10.1016/s0883-5403(03)00278-x
发表时间: 2004-01-01
影响因子: 3.5
作者:
Howell, JR;Blunt, LA;Ling, RSM
通讯作者: Ling, RSM
单中心队列骨水泥金属对金属全髋关节置换术的失败分析
DOI: --
发表时间: 2013
期刊:
影响因子: --
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DOI: 10.1016/j.triboint.2013.01.024
发表时间: 2013
影响因子: 6.2
作者:
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DOI: 10.1302/2046-3758.14.2000047
发表时间: 2012-04
影响因子: 4.6
作者:
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通讯作者: Joyce TJ