15 June 2020: Medical Technology
Comparative Three-Dimensional Finite Element Analysis of 4 Kinds of Pedicle Screw Schemes for Treatment of Adult Degenerative Scoliosis
Yang Zhou 1ABE , Daqi Xin 2CD , Zhuoting Lei 3C , Yuan Zuo 4CD* , Yan Zhao 4EG*DOI: 10.12659/MSM.922050
Med Sci Monit 2020; 26:e922050
Table 1 Related material properties conferred to the FE models.
| Part | Modulus of elasticity (Mpa) | Poisson’s ratio |
|---|---|---|
| Screw-rod | 1.10E+05 | 0.34 |
| Intervertebral disc annulus | 4.2 | 0.45 |
| Vertebral body | 1.20E+04 | 0.3 |
| Ligament | 10 | 0.3 |