Article Figures & Data
Figures
- Fig. 1
Posterior view of a rendering of two lumbar vertebrae depicting the neuroforaminal height measurement (black line).
- Fig. 2
Surgical preparation of the working channel from L4-S1 disc space and the L4-5 disc space preparation prior to insertion of the implant.
- Fig. 3
Components of the AxiALIF 2 level implant. Indirect distraction at L4-5 is created as a result of a variable thread pitch of the L4-5 component. Manual indirect distraction at L5-S1 is created by rotating the distraction rod and the S1 anchor components.
- Fig. 4
An example lateral fluoroscopic view of a lumbar specimen with the implant in place A) prior to manual distraction and B) after manual distraction is complete. Black arrows show the change in displacement of the distraction rod and the white arrows show the resulting change in the neuroforamen.
- Fig. 5
The change in mean neuroforaminal height at L5-S1 based on the number of revolutions (turns) of the distraction rod. Changes in neuroforaminal height are similar between the left and right side and are approximately 1mm/revolution.
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