Table 3.
Comparison of the peak cartilage contact pressure, the peak cartilage compressive stress, the peak cartilage shear stress, and the peak cartilage compressive strain induced on the articular cartilage of the models with intact meniscus, medial meniscectomy and the meniscal implant with three distinct stiffness.
Cases | ||||||
---|---|---|---|---|---|---|
Intact knee | Medial Meniscectomy | Meniscal implant-1 (E = 11 MPa) | Meniscal implant-2 (E = 15 MPa) | Meniscal implant-3 (E = 17 MPa) | ||
Peak cartilage contact pressure (MPa) | Femoral | 4.64 | 6.65 | 4.56 | 4.98 | 5.51 |
Tibial | 5.74 | 7.63 | 5.15 | 5.97 | 6.61 | |
Peak cartilage compressive stress (MPa) | Femoral | 2.76 | 4.47 | 2.66 | 3.91 | 4.06 |
Tibial | 3.52 | 5.67 | 3.63 | 5.01 | 5.39 | |
Peak cartilage shear stress (MPa) | Femoral | 1.93 | 3.53 | 1.81 | 2.21 | 2.89 |
Tibial | 2.32 | 3.92 | 2.29 | 2.85 | 3.26 | |
Peak cartilage compressive strain (%) | Femoral | 11.9 | 15.7 | 11.6 | 12.4 | 13.3 |
Tibial | 13.8 | 16.8 | 13.8 | 14.7 | 15.4 |