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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