ASTM Examines Best Practices for MoM Hip Devices

Standards group provides forum for developing standardized tests

Katherine Sale

Although media reports have drawn attention to the adverse local tissue reactions that can develop due to the release of metal ions in individuals with metal-on-metal (MoM) hip implants, little concensus exists on how to diagnose metal sensitivity, what standards should be applied in assessing explanted devices, and whether—or what—serum metal ion levels should be used as potential revision markers. Because generally established standards could help resolve these problems and facilitate research, the American Society of Testing and Materials, International (ASTM) Committee F04 on Medical Devices, recently held a full-day sysmposium on MoM total hip replacement devices.

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