Article Figures & Data
Figures
- Fig. 1
Parameters of screw accuracy scoring system. Axial computed tomography scan showing parameters of length, medial and lateral containment, and trajectory (A). Sagittal computed tomography scan showing sagittal containment and sagittal trajectory parameters (B). The clinically relevant parameters (medial and lateral containment, axial trajectory) are weighted for greater impact on the scoring scheme.
- Fig. 2
Screen shot image of O-NAV monitor. The 3D imaging capabilities of O-NAV allow the surgeon increased visualization of the operative field. Up to 4 navigated images can be viewed at once when using O-NAV. The image configuration can be customized to the surgeon's preference.
- Fig. 3
Clinical quantitative screw accuracy scores comparing O-NAV and C-NAV.
- Fig. 4
Scores from cadaveric learning-curve study. Mean insertion time in minutes with traditional C-arm technique (A). Mean insertion time in minutes with O-NAV technique (B).
- Fig. 5
Mean accuracy score from cadaveric learning-curve study. The initial 5 screws (1–5) and final 5 screws (12–16) inserted for each technique (O-NAV and C-NAV) are plotted.
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