Material Loss at the Head Taper Junction of the Metal-on-metal Pinnacle Total Hip Replacement Original Citation Title: Material Loss at the Head Taper Junction of the Metal-on-metal Pinnacle Total Hip Replacement
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منابع مشابه
Material loss at the taper junction of retrieved large head metal-on-metal total hip replacements.
It has been speculated that material loss, either as corrosion or wear, at the head-stem taper junction is implicated in the high revision rates reported for metal-on-metal total hip replacements. We measured the volume of material loss from the taper and bearing surfaces of retrieved devices, and investigated the associations with blood metal ion levels and the diagnosis of a cystic or solid p...
متن کاملTitle: Material Loss at the Head Taper Junction of the Metal-on-metal Pinnacle Total Hip Replacement
The University Repository is a digital collection of the research output of the University, available on Open Access. Copyright and Moral Rights for the items on this site are retained by the individual author and/or other copyright owners. Users may access full items free of charge; copies of full text items generally can be reproduced, displayed or performed and given to third parties in any ...
متن کاملDamage Patterns at the Head-Stem Taper Junction Helps Understand the Mechanisms of Material Loss.
BACKGROUND Material loss at the taper junction of metal-on-metal total hip arthroplasties has been implicated in their early failure. The mechanisms of material loss are not fully understood; analysis of the patterns of damage at the taper can help us better understand why material loss occurs at this junction. METHODS We mapped the patterns of material loss in a series of 155 metal-on-metal ...
متن کاملAssessing the material loss of the modular taper interface in retrieved metal on metal hip replacements
Measuring the amount of material loss in the case of revised hip replacements is considered to be a prerequisite of understanding and assessing the true in vivo performance of the implant. This paper outlines a method developed by the authors for quantifying taper material loss as well as more general taper interface parameters. Previous studies have mostly relied on visual inspection to assess...
متن کاملRetrieval analysis of metal and ceramic femoral heads on a single CoCr stem design
OBJECTIVES The use of ceramic femoral heads in total hip arthroplasty (THA) has increased due to their proven low bearing wear characteristics. Ceramic femoral heads are also thought to reduce wear and corrosion at the head-stem junction with titanium (Ti) stems when compared with metal heads. We sought to evaluate taper damage of ceramic compared with metal heads when paired with cobalt chromi...
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تاریخ انتشار 2015