Screws Fixation for Oblique Lateral Lumbar Interbody Fusion (OL-LIF): A Finite Element Study

Figure 2

Endoscopic OL-LIF models with different screw fixation in Abaqus 6.14-4. (a) Model PTVS. (b) Model PCBTS. (c) Model PPS (PCBTS: percutaneous transverterbral screws fixation; PCBTS: percutaneous cortical bone trajectory screws; PPS: fixation and percutaneous transpedical screws).

(a)

(b)

(c)