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Table 4 Comparative summary of the maximal equivalent von-Mises stresses in the implants and the corresponding material strength values

From: Numerical comparative study of five currently used implants for high tibial osteotomy: realistic loading including muscle forces versus simplified experimental loading

Implants σeq, max (MPa) Re (MPa) Rm (MPa) σD (MPa)
Simplified loading Muscle actions
Position 1 Position 2 Position 3
Contour Lock 157 144 31 88 250 500 200
TomoFix sm 174 109 51 65 250 500 200
iBalance 12 8 5 13 92 (92–100) 70
PEEKPower 89 48 42 79 177.5 210 160
TomoFix std 134 100 49 62 250 500 200