According to an article published by BMJ, ASR metal-on-metal hip implants such as the designs made by DePuy Orthopaedics, a subsidiary of Johnson & Johnson, are shown to have a failure rate of up to 50 percent within six years. “Metal on metal joints are designed to harness naturally occurring lubricating fluids from the native hip,” the article reads. “As wear debris is generated, hip joints become filled with high concentrations of chromium and cobalt. This leads to a chain of events culminating in extensive soft tissue necrosis and disruption of bone. The metallic ions then diffuse into the blood stream.” But the
SOURCE: Righting Injustice › ASR Metal Hip Implant Has Failure Rate of Up to 50 percent Within Six Years
