Oxidation and other property changes of a remelted highly crosslinked UHMWPE in retrieved tibial bearings

Reinitz Steven D.; Currier Barbara H.; Levine Rayna A. C.; Collier John P.; Van Citters Douglas W.

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Oxidation and other property changes of a remelted highly crosslinked UHMWPE in retrieved tibial bearings

机译：Remelted高度交联的UHMWPE在检索的胫骨轴承中的氧化和其他性能变化

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This study examined retrieved UHMWPE tibial bearings made from a remelted highly crosslinked (HXL) UHMWPE to determine whether the material is chemically stable in vivo. Retrieved tibial components were measured for changes in ketone oxidation and crosslink density. Oxidation increased with in vivo duration, and a significant decrease in crosslink density with increased mean ketone oxidation index was observed. These results suggest that in vivo oxidation is causing material degradation. Furthermore, a subsurface whitened damage region was found below the articular surface of one bearing, indicating the possibility of a clinically relevant decrease in mechanical properties of this component. (c) 2015 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 39-45, 2017.

机译：该研究检查了由重新熔断高度交联（HXL）UHMWPE制成的检索到的UHMWPE胫骨轴承，以确定材料是否在体内化学稳定。测量检测的胫骨组分以测量酮氧化和交联密度的变化。氧化在体内持续时间增加，观察到具有增加的酮氧化指数的交联密度的显着降低。这些结果表明，体内氧化导致物质降解。此外，在一个轴承的关节表面下方发现了地下白化损伤区域，表明该组分的机械性能的临床相关降低的可能性。（c）2015 Wiley期刊，Inc.J生物保解员B部分B：苹果生物检索物，105B：39-45,2017。

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《Journal of biomedical materials research. Part B, Applied biomaterials.》 |2017年第1期|共7页
作者
Reinitz Steven D.; Currier Barbara H.; Levine Rayna A. C.; Collier John P.; Van Citters Douglas W.;
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作者单位

Dartmouth Coll Thayer Sch Engn Hanover NH 03755 USA;

Dartmouth Coll Thayer Sch Engn Hanover NH 03755 USA;

Dartmouth Coll Thayer Sch Engn Hanover NH 03755 USA;

Dartmouth Coll Thayer Sch Engn Hanover NH 03755 USA;

Dartmouth Coll Thayer Sch Engn Hanover NH 03755 USA;

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原文格式 PDF
正文语种 eng
中图分类医用一般科学;
关键词
polyethylene (UHMWPE); arthroplasty; oxidation; FTIR;

机译：聚乙烯（UHMWPE）;关节成形术;氧化;FTIR;

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1. Oxidation and other property changes of a remelted highly crosslinked UHMWPE in retrieved tibial bearings [J] . Reinitz Steven D., Currier Barbara H., Levine Rayna A. C., Journal of biomedical materials research. Part B, Applied biomaterials. . 2017,第1期

机译：Remelted高度交联的UHMWPE在检索的胫骨轴承中的氧化和其他性能变化
2. Crosslink density, oxidation and chain scission in retrieved, highly cross-linked UHMWPE tibial bearings. [J] . Steven D Reinitz, Barbara H Currier, Rayna A Levine, Biomaterials . 2014,第15期

机译：检索，高度交联的UHMWPE胫骨轴承中交联密度，氧化和链群。
3. Crosslink density, oxidation and chain scission in retrieved, highly cross-linked UHMWPE tibial bearings. [J] . Steven D Reinitz, Barbara H Currier, Rayna A Levine, Biomaterials . 2014,第15期

机译：检索，高度交联的UHMWPE胫骨轴承中交联密度，氧化和链群。
4. True Wear Rates and True Creep with One Type of Highly Crosslinked and Conventional Uhmwpe Tibial Knee Inserts [C] . Orhun K. Muratoglu, Rebecca S. Perinchief, Daniel OConnor, Annual meeting of the Society For Biomaterials . 2003

机译：一种类型的高度交联的常规Uhmwpe胫骨膝关节插入物的真实磨损率和真实蠕变
5. In vivo degradation in modern orthopaedic UHMWPE bearings and structural characterization of a novel alternative UHMWPE material. [D] . Reinitz, Steven D. 2014

机译：现代骨科UHMWPE轴承的体内降解以及新型UHMWPE替代材料的结构表征。
6. Retrieved Highly Crosslinked UHMWPE Acetabular Liners Have Similar Wear Damage as Conventional UHMWPE [O] . David T. Schroder, Natalie H. Kelly, Timothy M. Wright, 2011

机译：检索到的高度交联的UHMWPE髋臼衬垫与常规UHMWPE具有相似的磨损损伤
7. Retrieved Highly Crosslinked UHMWPE Acetabular Liners Have Similar Wear Damage as Conventional UHMWPE [O] . Schroder, David T., Kelly, Natalie H., Wright, Timothy M., 2010

机译：检索到的高度交联的UHMWPE髋臼衬垫与常规UHMWPE具有相似的磨损损伤

Oxidation and other property changes of a remelted highly crosslinked UHMWPE in retrieved tibial bearings

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