Analysis demonstrates custom rod bending decreases residual forces in spinal fusion, highlighting potential reductions in pedicle screw loosening.
As part of spinal fusion surgery, shaping the rod implant to align with the anatomy is a tedious, error-prone, and time-consuming manual process. Inadequately contoured rod implants introduce stress on the screw-bone interface of the pedicle screws, potentially leading to screw loosening or even pull-out.
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Atzigen et al. (2024) studied this question.
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