There is a trend toward operative treatment for certain types of clavicle fractures and these are usually treated with plate osteosynthesis. The subcutaneous location of the clavicle makes the plate fit important, but the clavicle has a complex shape, which varies greatly between individuals and hence standard plates often have a poor fit. Using computed tomography (CT) based design, the plate contour and screw positioning can be optimized to the actual case. A method for patient-specific plating using design based on CT-data, additive manufacturing (AM), and postprocessing was initially evaluated through three case studies, and the plate fit on the reduced fracture was tested during surgery (then replaced by commercial plates). In all three cases, the plates had an adequate fit on the reduced fracture. The time span from CT scan of the fracture to final implant was two days. An approach to achieve functional design and screw-hole positioning was initiated. These initial trials of patient-specific clavicle plating using AM indicate the potential for a smoother plate with optimized screw positioning. Further, the approach facilitates the surgeon's work and operating time can be saved.
Patient-Specific Clavicle Reconstruction Using Digital Design and Additive Manufacturing
Contributed by the Design for Manufacturing Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received February 13, 2015; final manuscript received May 26, 2015; published online October 12, 2015. Assoc. Editor: David Rosen.
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Cronskär, M., Rännar, L., Bäckström, M., Nilsson, K. G., and Samuelsson, B. (October 12, 2015). "Patient-Specific Clavicle Reconstruction Using Digital Design and Additive Manufacturing." ASME. J. Mech. Des. November 2015; 137(11): 111418. https://doi.org/10.1115/1.4030992
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