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Official Journal of the Italian Society of Orthopaedics and Traumatology

Fig. 3 | Journal of Orthopaedics and Traumatology

Fig. 3

From: A new ligament-compatible patient-specific 3D-printed implant and instrumentation for total ankle arthroplasty: from biomechanical studies to clinical cases

Fig. 3

Typical flow for custom TAA design and manufacturing. a Typical patient during CT scan; in this case, a modern cone beam computed tomography (CBCT) device was used, with patient in weight-bearing. b Screenshots of medical imaging soon after scan of foot and ankle (top) and during segmentation (bottom). c Arthritic ankle with relevant bone models after completion of 3D reconstruction. d Screenshots during virtual planning and custom design: tailoring dimensions and positioning of components as well as model after final virtual implantation and corresponding bone preparation. e Final model of replaced ankle once 3D printed with cheap polymer powders for final check. f Final metal prosthesis components manufactured in Cr-Co-Mo powders just before implantation—after polishing and coating. These shall be implanted back into the original patient

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