Time-dependent release of cobalt and chromium ions into the serum following implantation of the metal-on-metal Maverick?type artificial lumbar disc (Medtronic Sofamor Danek)
Introduction In total hip endoprosthetics and consequently for TDA, metal-on-metal combinations are used with the aim of reducing wear debris. In metal-on-metal TDA the release of metal ions has until now been secondary to the main discussion.