Variety of Testing Conditions Used in Hip and Disc Simulator Studies and Differing Amounts of Wear2–5
| Implant | Lubricant | Additive | Wear (mm3/106 cycles) |
|---|---|---|---|
| Meta-Metal Hip2 (CoCr) | 70 mg/ml Bovine Serum, 90% | 20mM EDTA 0.1% NaN3 | 0.119 steady state |
| Meta-Metal Hip2 (CoCr) | 40 mg/ml Alpha Calf Serum, 50% | 20mM EDTA 0.1% NaN3 | 0.977 steady state |
| Metal-PE Hip3 (Co-Cr-PE) | 65 mg/ml Bovine serum, 4-23% 40 ml volume | 20mM EDTA | 55.6 average |
| Metal-PE Hip3 (Co-Cr-PE) | 65 mg/ml Bovine serum, 4-23% 160 ml volume | 20mM EDTA | 88.4 average |
| Metal-Metal Hip5 (CoCr w/ varying Carbon content) | 25% Calf serum | 0.1% NaN3 | 0.023-0.322 steady state |
| Metal-Metal Disc4 | 150 ml Bovine Serum (100%) | 0.1% NaN3 | 0.093 average |