Using rapid prototyping molds to create patient specific polymethylmethacrylate implants in cranioplasty

Gerber, Nicolas; Stieglitz, L; Peterhans, Matthias; Nolte, Lutz-Peter; Raabe, A; Weber, Stefan (2010). Using rapid prototyping molds to create patient specific polymethylmethacrylate implants in cranioplasty. In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference.. 10.1109/IEMBS.2010.5627903

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Cranioplasty is a commonly performed procedure. Outcomes can be improved by the use of patient specific implants, however, high costs limit their accessibility. This paper presents a low cost alternative technique to create patient specific polymethylmethacrylate (PMMA) implants using rapid prototyped mold template. We used available patient's CT-scans, one dataset without craniotomy and one with craniotomy, for computer-assisted design of a 3D mold template, which itself can be brought into the operating room and be used for fast and easy building of a PMMA implant. We applied our solution to three patients with positive outcomes and no complications.

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