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A Second Source of Debris in Metal Hip Replacements: Second Shoe Drops on Metal-on-Metal Hip Replacements
Thousands of patients with the DePuy ASR™ metal-on-metal hip replacement (recalled in 2010) have filed lawsuits when their hip replacements failed prematurely due to the production of metal ions and debris. Initially it was believed that most of the metal ions and debris were created by edge loading of the femoral head against the perimeter of the acetabular cup.
