The design of an "H" joystick for closed reduction and its application in segmental and comminuted femoral shaft fractures: an innovative technique.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: The authors declare that they have no competing interests. 15. Biomed Eng Online. 2025 Jan 15;24(1):2. doi: 10.1186/s12938-025-01332-5. A review of novel methods to assist digital planning and execution of osteotomy for upper limb deformities. Yuichi Y(1), Kohyama S(2), Ikumi A(3), Yanagisawa Y(3), Nakatani T(4), Morita J(5), Ogawa T(5). Author information: (1)Department of Orthopaedic Surgery, Tokyo Medical University Ibaraki Medical Center, 3-20-1 Chuo, Inashiki, Ami, Ibaraki, 300-0395, Japan. yyoshii@tokyo-med.ac.jp. (2)Department of Orthopaedic Surgery, Kikkoman General Hospital, Noda, Chiba, 278-0005, Japan. (3)Department of Orthopaedic Surgery, University of Tsukuba Hospital, Tsukuba, Ibaraki, 305-8576, Japan. (4)Department of Orthopedic Surgery, Showa General Hospital, Kodaira, Tokyo, Japan. (5)Department of Orthopaedic Surgery, NHO Mito Medical Center Hospital, Ibaraki, Ibaraki, 311-3193, Japan. Corrective osteotomy for upper limb deformities caused by fractures, trauma, or degeneration necessitates detailed preoperative planning to ensure accurate anatomical alignment, restore limb length, and correct angular deformities. This review evaluates the effectiveness of a three-dimensional (3D) preoperative planning program and an image fusion system designed for intraoperative guidance during corrective osteotomy procedures. The application processes and clinical outcomes observed with these technologies in various surgical scenarios involving the upper extremities were summarized. The systems proved beneficial in allowing surgeons to visualize surgical steps and optimize implant placement. However, despite these technological advancements, we found no significant impact on clinical outcomes compared to conventional methods. This indicates a need for further enhancements in system efficiency and user-friendliness to significantly improve patient results. Future developments should focus on addressing these limitations to enhance the practical utility of such advanced systems. © 2025. The Author(s). DOI: 10.1186/s12938-025-01332-5 PMCID: PMC11736953