Patient-specific 3D-printed surgical guides for pedicle screw insertion: comparison of different guide design approaches

Ribera-Navarro A, Shenoy R, Cunningham G, Vakharia V, Gibson A, Moazen M, Kalaskar DM | Journal of 3D Printing in Medicine doi: 10.2217/3dp-2021-0002 (Epub ahead of print) (2021) Keywords: 3D printing • cadaver • medio-lateral alignment • patient specific • pedicle screws • sagittal alignment • spinal fusion • surgical guides Aim: Patient-specific 3D-printed guides for pedicle screw insertion in spinal deformity surgery offer an alternative to image-guided, robotic and free-hand methods. Different design features can impact their accuracy and clinical applicability. The aim of this study was to compare the performance of three different guide designs with the nonguided free-hand technique. Materials & methods: 3D-printed guides...

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