• Hyun Chul Shon, Jin-Young Bang, Yongkoo Lee, Kyoung Hwan Koh, and Ji Wan Kim.
• Department of Orthopedic Surgery, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju, South Korea.
• Eur J Trauma Emerg Surg. 2021 Oct 1; 47 (5): 1411-1416.

IntroductionThis study evaluated the optimal anatomical locking plate position using three-dimensional printed models of the clavicle.Materials And MethodsThree-dimensional models of the fractured clavicle were reproduced from seventeen patients who underwent minimally invasive plate osteosynthesis (MIPO) procedures. The fracture location-the percentage of the distal fragment length compared to the entire clavicle-ranged from 30-44%. We evaluated four commercially available plate systems for position and fitting with the bone. After reducing the fracture on each three-dimensional model, we determined the optimal plate and its position.ResultsThe anatomical plate fitted well when positioned in the middle of the clavicle for a fracture location ranging from 40 to 60%. When the fracture location was 30-40%, the anatomical plate fit well onto the bone model only in 36% of clavicles; otherwise, the reversed position of the anatomical plate or the lateral plate fit well. The anatomical plate was found to be unsuitable when the fracture location was less than 30%; in this case, the lateral plate was the best fit.ConclusionFitting the anatomical plate in MIPO for clavicle fractures depends on the fracture location. This can help surgeons determine the optimal plate for clavicle MIPO.© 2020. Springer-Verlag GmbH Germany, part of Springer Nature.

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