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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. On June 27–28, 2012, an advisory panel met to decide whether to impose new standards.
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.
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 ...
DePuy identified reasons for the failure of the hip replacement system as component loosening, component malalignment, infection, fracture of the bone, dislocation, metal sensitivity and pain. Additional complications from the hip replacement system may include increased metal ion levels in the blood, bone staining, necrosis, swelling, nerve ...
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. [11]
Johnson & Johnson and its DePuy Orthopaedics unit have agreed to pay $120 million to resolve deceptive marketing claims by several U.S. states.
McMinn developed one of the successful modern metal-on-metal hip resurfacing 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, markedly improves the health-related quality of life measures and currently makes up around ...
Following the 2010 DePuy Hip Recall, Lanier represented plaintiffs in several lawsuits against Johnson & Johnson and DePuy Synthes, which Johnson & Johnson acquired in 1998. The implants were said to cause a build-up of metal ions in the blood, causing groin pain, allergic reactions, bone erosion and tissue death.
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