Table III.
Results of finite element analysis and biomechanical experiments. All data are shown as mean (SD) unless otherwise stated.
| Experimental methods | FEA (500 N） | Biomechanical experiments | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Group | Max displacement 0° (mm) | Max displacement 45° (mm) | Max stress 0° (internal fixations, MPa) | Max stress 45° (internal fixations, MPa) | Max stress 0° (patellar, MPa) | Max stress 45° (patellar, MPa) | Static (500 N, mm) |
Fatigue (200 ± 120 N, 1,000 cycles, mm) | Fatigue (200 ± 120 N, 10,000 cycles, mm) |
| CB-H | 0.76 (0.17) | 0.21 (0.07) | 325.09 (72.31) | 194.82 (80.64) | 114.42 (47.87) | 61.12 (23.17) | 1.31 (0.06) | 1.11 (0.14) | 1.35 (0.16) |
| CB-T | 0.81 (0.21) | 0.24 (0.07) | 318.81 (72.24) | 204.37 (49.94) | 133.61 (49.38) | 72.54 (45.88) | 1.88 (0.13) | 1.64 (0.32) | 1.73 (0.35) |
| CB-S | 0.39 (0.14) | 0.19 (0.06) | Median 1,098.00 (IQR 919.50 to 1107.00) |
419.04 (107.22) | 273.41 (64.53) | 104.81 (66.63) | 1.17 (0.08) | 0.73 (0.08) | 0.80 (0.08) |
| TBWC | 0.71 (0.34) | 0.15 (0.04) | 1,193.47 (111.54) | 631.63 (262.45) | 208.03 (73.46) | 96.12 (11.72) | 2.09 (0.22) | 1.71 (0.08) | 1.78 (0.10) |
CB-H, candy box technique combined with high-strength suture and Nice knot; CB-S, candy box technique combined with steel wires; CB-T, candy box technique combined with tendon sutures and Nice knot; FEA, finite element analysis; TBWC, tension-band wiring combined with cerclage wiring.