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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