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OXINIUM™

Oxidized Zirconium

Wear in TJA

Wear in Total Joint Arthroplasty

Wear of polyethylene components has often been reported in TJA to be a primary cause of complications and failure. Retrieval analyses and published articles support that a high percentage of inserts and patellas develop a significant wear pattern clinically.

Wear in THA

In THA, the reduction in friction and wear with the OXINIUM bearing coupling is significant because aseptic loosening is a leading cause of implant failure, and wear debris is the leading cause of aseptic loosening. While virtually all advanced bearing couplings produce nearly immeasurable wear, metal-on-metal couplings produce cobalt and chromium ions. Ceramic couplings risk fracture.

With OXINIUM femoral heads, low wear reduces the chances of aseptic loosening and may extend the life of the joint. The OXINIUM material may offer extended joint life through reduced wear and friction.

Wear in TKA

In eight TKA retrieval studies covering the last 20 years, polyethylene wear was identified in over 50% of the 3,300-plus knees examined.

More than 10 publications in the past 10 years have linked polyethylene wear to complications and failure of TKA. ^7-17

Howmedica Kinematic | 14 years in vivo

Protek SAL I | 6 years in vivo

DePuy AMK | 6 years in vivo