Crack Initiation in Retrieved Cross-Linked Highly Cross-Linked Ultrahigh-Molecular-Weight Polyethylene Acetabular Liners
نویسندگان
چکیده
منابع مشابه
Highly cross-linked polyethylene acetabular liners retrieved four to five years after revision surgery: a report of two cases.
There is currently considerable interest in the use of highly cross-linked polyethylene (XLPE) acetabular liners for total hip arthroplasty (THA). In literature, only a single retrieval analysis of one type of XLPE liner implanted for greater than four years exists. The purpose of the present report is to quantify surface deviations in two XLPE liners implanted during revision THA and retrieved...
متن کاملRetrieval analyses of highly cross-linked polyethylene acetabular liners four and five years after implantation.
Two Durasul highly crosslinked polyethylene liners were exchanged during revision surgery four and five years after implantation, respectively. The retrieved liners were evaluated macroscopically and surface analysis was performed using optical and electron microscopy. A sample of each liner was used to determine the oxidation of the material by Fourier transform infrared spectroscopy. Samples ...
متن کاملIn Vivo Lipid Absorption in Highly Cross-linked UHMWPE Acetabular Liners
Introduction Radiation cross-linking was developed in order to improve the wear resistance of UHMWPE in total joint replacements [1]. Oxidationinducing free radicals formed during the irradiation process are eliminated through melting [2]. Without free radicals present, irradiated and melted UHMWPE has been considered oxidatively stable. However, with minor oxidation being observed in this mate...
متن کاملFixation of ultrahigh-molecular-weight polyethylene liners to metal-backed acetabular cups.
Locking mechanisms and metal-liner interface surfaces of six modular acetabular systems were evaluated to determine their effect on micromotion and backside wear of the polyethylene liner. Rotational and axial motion between the metal shell and polyethylene liner was measured in the Duraloc (DePuy, Warsaw, IN), Harris-Galante (Zimmer, Warsaw, IN), Impact (Biomet, Warsaw, IN), Lip Loc (Biomet), ...
متن کاملHighly Cross-linked Polyethylene Liner Dissociation from a Cement-less Modular Acetabular Shell: Two Case Reports
Liner dissociation of polyethylene from a cementless acetabular socket following total hip arthroplasty (THA) is a rare complication. Cross-linked polyethylene liner dissociation from AMS-HA shell (KYOCERA Med, Osaka, Japan) occurred in 2 out of the 4153 (0.04%) cases approximately 10 years after undergoing surgery at our institute. First case was an 80-year-old female who underwent right THA a...
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ژورنال
عنوان ژورنال: The Journal of Arthroplasty
سال: 2011
ISSN: 0883-5403
DOI: 10.1016/j.arth.2010.07.016