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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. [60]
On February 10, 2011, the U.S. FDA issued a patient advisory on metal-metal hip implants, stating it was continuing to gather and review all available information about metal-on-metal hip systems. [4] On June 27–28, 2012, an advisory panel met to decide whether to impose new standards.
The 2010 DePuy Hip Replacement Recall was instituted when DePuy Orthopaedics, Inc., a division of Johnson & Johnson, recalled its ASR XL Acetabular metal-on-metal hip replacement system on August 24, 2010. [1][2]
Metallosis. 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] Metallosis has also been observed in some patients either ...
A metal implant is placed within the femur, and a ceramic ball is attached to it. When these parts are put together, the ball fits into the plastic liner inside the socket.
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Although hip resurfacing has been around for some 40 years, the contemporary metal on metal bearing hip resurfacing has only increased in popularity amongst surgeons and patients in the past decade. Health-related quality of life measures were markedly improved and patient satisfaction was favorable after hip resurfacing arthroplasty.
McMinn developed one of the successful modern metal-on-metal hip resurfacing [2] and the instrumentation and surgical technique to implant it. Hip resurfacing is a bone-conserving, less invasive alternative to total hip replacement (THR) for young patients, [3] markedly improves the health-related quality of life measures [4] and currently ...
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