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

Figure 1

The surgical approach of endoscopic OL-LIF (direction of approach and surrounding anatomy: solid rectangle line was the endoscopic approach of OL-LIF and broken triangle line was the boundary of Kambin’s Triangle. OL-LIF: oblique lateral lumbar interbody fusion).