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

Table 1

The dimensions of vertebrae and intervertebral disc (IVD).

Vertebra	a	b	c	d	e	IVD	f	g
T12	38.53	67.75	29.52	67.79	24.17	T12-L1	4.97	2.81
L1	40.88	69.25	30.56	68.58	25.35	L1-L2	6.86	3.72
L2	40.45	75.13	29.01	69.17	25.83