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Patient-Specific Clavicle Reconstruction Using Digital Design and Additive Manufacturing
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.ORCID iD: 0000-0002-8818-3408
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2015 (English)In: Journal of mechanical design (1990), ISSN 1050-0472, E-ISSN 1528-9001, Vol. 137, no 11, 111418Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
ASME Press, 2015. Vol. 137, no 11, 111418
Keyword [en]
additive manufacturing, electron beam melting, clavicle, computer aided design, medical models, precontoured plate, customized implant
National Category
Medical Biotechnology Orthopedics Medical Engineering
Identifiers
URN: urn:nbn:se:umu:diva-110891DOI: 10.1115/1.4030992ISI: 000363865600019OAI: oai:DiVA.org:umu-110891DiVA: diva2:865765
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Available from: 2015-10-29 Created: 2015-10-29 Last updated: 2016-02-09Bibliographically approved

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Nilsson, Kjell G
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