Table 3 Results of finite element analysis
Parameters | Group PM | Group PL | Group PC | |
|---|---|---|---|---|
Whole plateau | Displacement of fracture(mm) | 0.273 | 0.114 | 0.265 |
Maximum stress on plate(MPa) | 118.131 | 44.191 | 115.433 | |
Maximum stress on screws(MPa) | 166.731 | 80.330 | 164.439 | |
Posterior Plateau | Displacement of fracture(mm) | 0.410 | 0.213 | 0.390 |
Maximum stress on plate(MPa) | 194.012 | 72.806 | 185.535 | |
Maximum stress on screws(MPa) | 278.265 | 114.839 | 266.396 | |
Analysis of stress on fracture block | Medial side of medial tibial pateau fracture | Lateral condyle of tibial plateau and middle part between two tibial condyles | Medial side of medial tibial pateau fracture | |
Analysis of stress on plate | Medial side of proximal and distal plate junction | Medial side of proximal and distal plate junction, distal part of distal plate | Medial side of plate | |
Analysis of stress on screws | Head and body of two middle section screws | Head of three middle section screws | Head and body of middle screws | |