13 July 2020 : Clinical Research
Structure Design and Optimization of the C5–C6 Cervical Intervertebral Fusion Cage Using the Anterior Cervical Plate and Cage Fixation System
Jiajia Wang12AE*, Zhihui Qian2BC, Changlei Cui3D, Zhijun Guo4F, Luquan Ren2GDOI: 10.12659/MSM.924236
Med Sci Monit 2020; 26:e924236
Table 1 The material properties [23–25] set in the C5–C6 FE model.
| Component | Element type | Density (Ton/mm3) | Young’s modulus (MPa) | Poissson’s ratio | Cross-section area (mm2) |
|---|---|---|---|---|---|
| Cortical bone | Trilateral | 1.83E-09 | 12000.0 | 0.29 | – |
| Cancellous bone | Tetrahedral | 1.00E-09 | 450.0 | 0.29 | – |
| posterior structure | Tetrahedral | 1.83E-09 | 3500.0 | 0.29 | – |
| Annulus | Tetrahedral | 1.20E-09 | 3.4 | 0.40 | – |
| Nucleus | Tetrahedral | 1.36E-09 | 1.0 | 0.49 | – |
| Endplate | Trilateral | 1.83E-09 | 12000.0 | 0.29 | – |
| Anterior Longitudinal ligament | Truss | 1.10E-09 | 30.0 | 0.40 | 6.1 |
| Posterior longitudinal ligament | Truss | 1.10E-09 | 20.0 | 0.40 | 5.4 |
| Ligamentum flavum | Truss | 1.10E-09 | 10.0 | 0.40 | 50.1 |
| Supraspinous ligament | Truss | 1.10E-09 | 1.5 | 0.40 | 13.1 |
| Interspinous ligament | Truss | 1.10E-09 | 10.0 | 0.40 | 13.1 |
| Capsular ligament | Truss | 1.10E-09 | 10.0 | 0.40 | 46.6 |
| Transverse ligament | Truss | 1.10E-09 | 20.0 | 0.40 | 15.0 |