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Table 4 Summary of fatigue failure tests (groups 1, 2 & 3): max. load, vertical & lateral stiffness, number of cycles (all values prior to failure) and failure types

From: Biomechanical properties of five different currently used implants for open-wedge high tibial osteotomy

Specimen Maximal load [N] Vertical stiffness KV [N/mm] Lateral stiffness KL [N/mm] Number of cycles Failure types
TomoFix std 3 1280 1350 2000 >60 000 2
TomoFix std 4 1440 2000 2500 >80 000 2
TomoFix std 5 1760 2500 2200 >120 000 2
PEEKPower 3 1440 2000 2500 >80 000 2
PEEKPower 4 1280 1950 2140 >60 000 2
PEEKPower 5 1440 2785 2250 >80 000 2
iBalance 3 1760 4000 3600 >120 000 2,4
iBalance 4 1760 3000 3400 >120 000 2
iBalance 5 1920 3000 2952 >140 000 2
iBalance 6 1760 3500 2500 >120 000 1,2