Diseño y manufactura de un implante personalizado de cráneo



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This paper describes the methodology used to design a custom-made cranial implant for a 26 year-old patient, who suffered a lesion in the left frontoparietal region of the skull caused by a fibrous dysplasia. The design of the implant was carried out from the 3D reconstruction of the skull of the patient, obtained by a CT- Scan, using Rapid Form 2006. Once the preliminary design was obtained, 3D models of the injured region of the skull and implant were fabricated in a Rapid Prototyping (RP) machine using the Fused Deposition Modeling Technology (FDM) with the purpose of making a functional and dimensional validation of the implant. Subsequently, the implant was fabricated in titanium alloy (Ti6Al4V). With the methodology, the prosthesis was successfully implanted. The surgical time decreased by 50%, compared with the same type of surgery in which standard commercial implants and titanium meshes are used; due, principally, to the need of implementing trial and error procedures, which intend to achieve a good fit of the implant increasing the risk of the patient. Finally, the aesthetic appearance of the patient was recovered, allowing the patient to safely perform daily activities. © 2013 Springer.


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