Table 1 Material properties of the finite element model
From: Biomechanical evaluation of percutaneous cement discoplasty by finite element analysis
Components | Young’s modulus (MPa) | Poisson ratio |
|---|---|---|
Cortical bone | 12,000 | 0.3 |
Cancellous bone | 100 | 0.2 |
Vertebral arch | 3500 | 0.25 |
transverse process | 3500 | 0.25 |
spinous process | 3500 | 0.25 |
Cartilage endplate | 4000 | 0.3 |
Nucleus pulposus | 1 | 0.49 |
Annulus | 4.2 | 0.45 |
Anterior longitudinal ligament | 20 | 0.3 |
Posterior longitudinal ligament | 20 | 0.3 |
Ligamentum flavum | 19.5 | 0.3 |
Interspinous ligament | 11.6 | 0.3 |
Supraspinous ligament | 15 | 0.3 |
Transverse ligament | 58.7 | 0.3 |
Capsular ligament | 32.9 | 0.3 |
Neurotissue sensor | 20 | 0.3 |
Sacral vertebral | 12,000 | 0.3 |
Bone cement | 3000 | 0.3 |