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Medical Device Alert: DePuy ASR TM acetabular cups used in hip resurfacing arthroplasty and total hip replacement, Medicines and Healthcare products Regulatory Agency, MDA/2010/044, 25 May 2010; Medical Device Alert: All metal-on-metal (MoM) hip replacements, Medicines and Healthcare products Regulatory Agency, MDA/2012/008, 28 February 2012
The analysis of 402,051 hip replacements showed that 6.2% of metal-on-metal hip implants had failed within five years, compared to 1.7% of metal-on-plastic and 2.3% of ceramic-on-ceramic hip implants. Each 1 mm (0.039 in) increase in head size of metal-on-metal hip implants was associated with a 2% increase in failure rate. [63]
Hip resurfacing has been developed as a surgical alternative to total hip replacement (THR). The procedure consists of placing a cap (usually made of cobalt-chrome metal), which is hollow and shaped like a mushroom, over the head of the femur while a matching metal cup (similar to what is used with a THR) is placed in the acetabulum (pelvis socket), replacing the articulating surfaces of the ...
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If you have to get an implant in the future, you may not have to worry quite so much about your body rejecting that life-enhancing technology. Colorado State University scientists have developed a ...
Metallosis is the medical condition involving deposition and build-up of metal debris in the soft tissues of the body. [1]Metallosis has been known to occur when metallic components in medical implants, specifically joint replacements, abrade against one another. [1]
DePuy faces more than 11,000 plaintiffs nationwide over the ASR XL, which generally allege that the product is prone to degrading prematurely and shedding toxic metal debris, causing pain and necessitating revision surgeries that can be more invasive than the initial total hip replacements.
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