Wear of composite ceramics in mixed-material combinations in total hip replacement under adverse edge loading conditions.
Wear of composite ceramics in mixed-material combinations in total hip replacement under adverse edge loading conditions.
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DOI：
10.1002/jbm.b.33671
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发表时间：
2017-08
期刊：
影响因子：
--
通讯作者：
Fisher J
中科院分区：
文献类型：
--
作者：
Al-Hajjar M;Carbone S;Jennings LM;Begand S;Oberbach T;Delfosse D;Fisher J
当用于同类配置（股骨头和髋臼杯为相同材料）时，陶瓷复合材料在不利的边缘载荷条件下表现良好。本研究的目的是确定纯氧化铝（Al 2 O3）、氧化铝增韧氧化锆（ATZ）和氧化锆增韧氧化铝（ZTA）用于混合关节面组合时，在边缘载荷条件下由于平移错位造成的磨损。三种陶瓷材料的股骨头-髋臼杯配置为ATZ-on-ZTA、ZTA-on-ATZ、Al 2 O3-on-ATZ、ATZ-on-Al 2 O3、Al 2 O3-on-ZTA和ZTA-on-Al 2 O3。在微分离条件下，在利兹II髋关节模拟器上对其进行了测试。ATZ-on-ZTA的嵌入磨损率和稳态磨损率分别为1.16 mm 3/百万次循环和0.18 mm 3/百万次循环，ATZ-on-Al 2 O3的嵌入磨损率和稳态磨损率分别为0.66 mm 3/百万次循环和0.20 mm 3/百万次循环。在这些不利的微分离条件下，其他关节面组合（Al 2 O3-on-ATZ、Al 2 O3-on-ZTA、ZTA-on-ATZ和ZTA-on-Al 2 O3）的磨损率非常低，在稳态阶段没有明显的铺垫，稳态磨损率低于0.11 mm 3/百万。本研究中测试的混合材料组合显示，与之前报告的同类配置中的ATZ相比，磨损率略高，但与之前在相同不利微分离条件下测试的氧化铝对氧化铝关节面相比，其耐磨性上级。© 2016 The Authors Journal of Biomedical Materials Research Part B：Applied Biomaterials Published by Wiley Periodicals，Inc. J Biomed Mater Res Part B：Appl Biomater，105 B：1361-1368，2017。
Ceramic composites have performed very well under adverse edge loading conditions when used in like‐on‐like configurations, where the femoral head and acetabular cup are of the same material. The aim of this study was to determine the wear of pure alumina (Al2O3), alumina toughened zirconia (ATZ) and zirconia toughened alumina (ZTA) when used in mixed bearing combinations, under edge loading conditions due to translational mal‐positioning. The head‐on‐cup configurations of three ceramic materials were ATZ‐on‐ZTA, ZTA‐on‐ATZ, Al2O3‐on‐ATZ, ATZ‐on‐Al2O3, Al2O3‐on‐ZTA, and ZTA‐on‐Al2O3. They were tested on the Leeds II hip simulator under microseparation conditions. The bedding in and steady state wear rates of ATZ‐on‐ZTA were 1.16mm3/million cycles and 0.18mm3/million, respectively, and for ATZ‐on‐Al2O3 were 0.66 mm3/million cycles and 0.20 mm3/million, respectively. The wear rates of the other bearing combinations under these adverse microseparation conditions, Al2O3‐on‐ATZ, Al2O3‐on‐ZTA, ZTA‐on‐ATZ and ZTA‐on‐Al2O3 were very low with no clear bedding in and steady state phases, and with steady state wear rates lower than 0.11 mm3/million. The mixed material combinations tested in this study have shown slightly higher wear rates when compared to ATZ in like‐on‐like configuration reported previously, but superior wear resistance when compared to alumina‐on‐alumina bearings tested previously under the same adverse microseparation conditions. © 2016 The Authors Journal of Biomedical Materials Research Part B: Applied Biomaterials Published by Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 1361–1368, 2017.
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DOI：
10.1002/jbm.b.32824
发表时间：
2013-02
影响因子：
3.4
作者：
Al-Hajjar, Mazen;Fisher, John;Williams, Sophie;Tipper, Joanne L.;Jennings, Louise M.
通讯作者：
Jennings, Louise M.
DOI：
10.1302/0301-620x.90b7.20213
发表时间：
2008-07-01
影响因子：
--
作者：
Pandit, H.;Glyn-Jones, S.;Murray, D. W.
通讯作者：
Murray, D. W.
影响因子：
14
作者：
Nevelos, JE;Ingham, E;Fisher, J
通讯作者：
Fisher, J
DOI：
10.1007/s007760070017
发表时间：
2000-01-01
期刊：
Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association
影响因子：
--
作者：
Bizot, P;Nizard, R;Sedel, L
通讯作者：
Sedel, L
影响因子：
14
作者：
Nevelos, JE;Ingham, E;Nevelos, AB
通讯作者：
Nevelos, AB