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Table 7 Summary of fatigue failure tests

From: Mechanical strength of a new plate compared to six previously tested opening wedge high tibial osteotomy implants

SpecimensMaximal load [N]Vertical stiffness
KV [N/mm]
Lateral stiffness
KL [N/mm]
Number of cyclesFailure types
TomoFix std. 3128013502000>  60,0002
TomoFix std. 4144020002500>  80,0002
TomoFix std. 5176025002200>  120,0002
PEEKPower 3144020002500>  80,0002
PEEKPower 4128019502140>  60,0002
PEEKPower 5144027852250>  80,0002
iBalance 3176040003600>  120,0002,4
iBalance 4176030003400>  120,0002
iBalance 5192030002952>  140,0002
iBalance 6176035002500>  120,0001,2
TomoFix sm 3128022002000>  60,0002,3
TomoFix sm 4128017501500>  60,0002,3
TomoFix sm 5176020002300>  120,0001,2
Contour Lock 3240021004400>  200,0002
Contour Lock 4176023002400>  120,0002
Contour Lock 5240027002600>  200,0001,2,3
Activmotion 3224025006300>  180,0002
Activmotion 4224025002900>  180,0002
Activmotion 5160025004750>  100,0002
Activmotion 6160031005100>  100,0002
FlexitSystem 3176010702050>  120,0002
FlexitSystem 416009601630>  100,0002
FlexitSystem 514409501580>  80,0002
FlexitSystem 619209601730>  140,0002
  1. Maximal load, vertical & lateral stiffnesses, Min number of cycles (all values prior to failure) and failure types. The values of the groups I to VI were retrieved from our previous studies and reported here for the sake of comparison.