Friction Reduction in Metal on Metal Hip Joint
نویسندگان
چکیده
منابع مشابه
Painful metal-on-metal total hip arthroplasty.
Two patients were evaluated for the possibility of hypersensitivity to a Metasul articulation (Centerpulse, Austin, Tex) coupled with total hip arthroplasty. Serum was tested with a lymphocyte proliferation assay, and the capsular tissues from the hip were examined for perivascular lymphocytes. The diagnosis of hypersensitivity to Metasul could not be confirmed in these patients, and ultimately...
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After the rapid growth in the use of CoCrMo metal-on-metal hip replacements since the second generation was introduced circa 1990, metal-on-metal hip replacements have experienced a sharp decline in the last two years due to biocompatibility issues related to wear and corrosion products. Despite some excellent clinical results, the release of wear and corrosion debris and the adverse response o...
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.................................................................................................... 4 1. EXECUTIVE SUMMARY ................................................................................ 8 2. BACKGROUND .......................................................................................... 10 3. TERMS OF REFERENCE ...............................................................
متن کاملThe painful metal-on-metal hip resurfacing.
We carried out metal artefact-reduction MRI, three-dimensional CT measurement of the position of the component and inductively-coupled plasma mass spectrometry analysis of cobalt and chromium levels in whole blood on 26 patients with unexplained pain following metal-on-metal resurfacing arthroplasty. MRI showed periprosthetic lesions around 16 hips, with 14 collections of fluid and two soft-tis...
متن کاملAn analysis of metal ion levels in the joint fluid of symptomatic patients with metal-on-metal hip replacements.
We retrospectively analysed concentrations of chromium and cobalt ions in samples of synovial fluid and whole blood taken from a group of 92 patients with failed current-generation metal-on-metal hip replacements. We applied acid oxidative digestion to our trace metal analysis protocol, which found significantly higher levels of metal ion concentrations in blood and synovial fluid than a non-di...
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ژورنال
عنوان ژورنال: Journal of Medical Devices
سال: 2009
ISSN: 1932-6181,1932-619X
DOI: 10.1115/1.3135148