Page 241 - Advances in Biomechanics and Tissue Regeneration

11.5 CONCLUSIONS 237

S, Mises
(Avg: 75%)
173.79
159.33
144.86
130.39
115.92
101.46
86.99
72.52
58.06
43.59
29.12
14.66
0.19

(A) (B)
FIG. 11.28 Von Mises stress maps in the nail for proximal fracture (gap size 3mm): (A) whole nail; (B) detail corresponding to the fracture site.

S, Mises
(Avg: 75%)
147.0
134.7
122.5
110.2
98.0
85.8
73.5
61.3
49.0
36.8
24.5
12.3
0.1

(A) (B)
FIG. 11.29 von Mises stress maps in the nail for distal fracture (gap size 3mm): (A) whole nail; (B) detail corresponding to the fracture site.

• Regarding the best nail material, the mobility rate with the titanium nail was higher than with the steel nail. So, the
steel nail confers a stiffer fixation system, which is better for osteosynthesis. In particular, the obtained results
between both nail materials (stainless steel and titanium alloy) show a higher mobility when using titanium nails,
which produce a higher rate of strains at the fracture site, amplitude of micromotions, and bigger global movements
compared to stainless steel nails.

I. BIOMECHANICS