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. 2021 Jul 19;11:14731. doi: 10.1038/s41598-021-94141-4

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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(a) Result of an oblique single cut rotation osteotomy (OSCRO) shown in white in comparison to the target bone (green). The top row shows cases where the osteotomy is too steep for clinical utilization. The remaining cases show perfect rotational alignment of the distal articular surface but a residual translation error and sometimes a large irregularity at the osteotomy location. (b) Resulting bone segments after an oblique double-cut rotation osteotomy (ODCRO) proximally aligned with the target bones (green) after running the optimization procedure balanced for length and transverse alignment (a = b = 0.5), 50% of bone overlap (δ_d, δ_p), maximum plane angulation (α_max) 80 degrees.