A Hybrid Uniplanar Pedicle Screw System with a New Intermediate Screw for Minimally Invasive Spinal Fixation: A Finite Element Analysis

Figure 2

Measured anatomical parameters of vertebra and intervertebral disc (IVD): (a) transverse width of the vertebral body, (b) distance between two extreme tips of transverse processes, (c) anteroposterior width of the vertebral body, (d) distance between tip of the spinous process and the anterior wall of the vertebral body, (e) height of the vertebral body, (f) the anterior height of IVD, and (g) the posterior height of IVD.