Radius of Curvature in Patient-Specific Short Rod Constructs Versus Standard Pre-Bent Rods

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Figure 1
A PSSR (patient-specific spine rod) and a standard prebent rod side by side on a sterile field.
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Figure 2
An AP x-ray of the placement of PSSR (patient-specific spine rod) shown 12 months postoperatively from a L4-LF PSF with ALIF (anterior lumbar interbody fusion cages).
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Figure 3
A lateral x-ray of the placement of PSSR (patient-specific spine rod) shown 12 months postoperatively from a L4-LF PSF with ALIF (anterior lumbar interbody fusion cages).
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Figure 4
The image demonstrates how a different radius changes the curvature of the circle and therefore the rod.
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Figure 5
Example of simulated plan on lateral x-ray image based on preoperative spinopelvic parameters and postoperative alignment goals.