The use of three-dimensional biomodels for surgical planning
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Prosthetic titanium plates are frequently used in the stabilization of rib fractures and are typically contoured to the patient's anatomy at the time of implant in the operating room.The use of a 3D prototype biomodel of patient's skeletal anatomy for preoperative customization of standard titanium plates for rib fractures. This process facilitated the preoperative planning and provided implants appropriate for a patient's unique anatomy. It provides idealized conditions for plate shaping and may facilitate implantation.

Rib fixation combined with 3D biomodels for surgical planning for the first time in Brazil, achieving reduced operating time with a good outcome for patient.Surgical planning was conducted one day before the surgery using a 3D printer to make a patient-specific model. The printing time of the model was 16 h. The 3D biomodel was used for simulating the surgical procedure, pre-molding the titanium plates, and measuring the screw sizes that would be used in the procedure. All five fractures were fixed on the 3D biomodel and the total simulation time was 58 min. Four pre-contoured titanium plates of 1.5 mm thickness and one straight 1.5 mm thickness titanium plate are used. After planning, the material was processed and sterilized according to the hospital standards to be implanted in the patient the following day.

In conclusion This is the second reported case of surgical stabilization of rib fractures using a 3D model. Both cases demonstrated the advantages of this approach. More studies are needed to validate the safety and benefits for the patient, as well as the impact on cost savings

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