Abstract
Surgical plates, which are used in various bone reconstruction surgeries, must be accurately bent intraoperatively or preoperatively. Manual bending is a time- and labor-consuming process, which sometimes results in residual stress to the plate after repeated operations. To overcome these problems, we propose a motorized bending apparatus for surgical plates that can automatically bend the plates to the target angle in a single trial, which may reduce the residual stress. Finite element analysis (FEA) was used to compensate for the springback and provide the proper inputs. To evaluate the performance of the apparatus, we performed tests with five reconstruction plates in the manual bending group and the apparatus-bending group, respectively, for angles of 15° and 30°. The apparatus-bending showed improved accuracy and precision. Also, the apparatus took much shorter times to perform the same tasks. The proposed method should reduce the surgical preparation time and provide convenience to surgeons.
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This work was supported by the Korea Institute of Science and Technology Institutional program (2E29330); this research was supported by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (HI18C1224).
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Seungbin Park is a M.S. student in the Department of Computer Science and Engineering, Korea University and a research assistant in the Center for Bionics at Korea Institute of Science Technology. She received the B.S. degree in the Department of Biomedical Engineering, Yonsei University (2018). Her research interests include deep learning in medical field and medical image processing.
Jeonghwan Lee is a Ph.D. student in the Walker Department of Mechanical Engineering, the University of Texas at Austin. He received the B.S. degree in the mechanical engineering from Hanyang University in 2013, and M.S. degree in the mechanical and aerospace engineering from Seoul National University in 2017. He was a research assistant in the Center for Bionics at Korea Institute of Science Technology in 2017. His research interests include robotics and rehabilitation engineering.
Si-Myung Park is a research assistant in the Center for Bionics at Korea Institute of Science Technology. She received the B.S. degree in IT engineering from Sookmyung Women’s University (2016), and M.S. degree in mechanical engineering from Yonsei University (2019). Her research interests include computational mechanics, biomechanics and design optimization of structures.
Gunwoo Noh is an Assistant Professor in the School of Mechanical Engineering, Kyungpook National University. He received the B.S. degree in mechanical engineering from Korea Advanced Institute of Science and Technology, Daejeon, Korea, in 2009, and M.S. and Ph.D. degrees in mechanical engineering from Massachusetts Institute of Technology, Cambridge, MA, USA, in 2011 and 2013, respectively. His research interests include computational mechanics, structural dynamics, numerical integrations, biomechanics and design optimization of structures.
Jung-Woo Lee is an Associate Professor in the Department of Oral and Maxillofacial Surgery at School of Dentistry, Kyung Hee University Dental Hospital. He received his DMD (2003), MSD (2006), and Ph.D. (2011) in the School of Dentistry at Kyung Hee University. His research interests include virtual surgical simulation and 3D bioprinted tissue regeneration.
Min Soo Park is an Associate Professor in the Department of Mechanical System Design Engineering, Seoul National University of Science and Technology. He received his B.S. (2001) and Ph.D. (2007) in the School of Mechanical and Aerospace Engineering at Seoul National University. His research interests are metal & ceramic 3D printing, laser processing and micro machining.
Youngjun Kim is a Principal Researcher in the Center for Bionics at Korea Institute of Science Technology. He received his B.S. (2001), M.S. (2003), and Ph.D. (2009) in the School of Mechanical and Aerospace Engineering at Seoul National University. He researched in the Department of Radiation Oncology at Stanford University as a postdoctoral scholar (2013). His research interests include 3D medical software, computer aided design, and deep learning for medicine.
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Park, S., Lee, J., Park, SM. et al. A novel motorized bending apparatus for surgical plates. J Mech Sci Technol 33, 3743–3748 (2019). https://doi.org/10.1007/s12206-019-0716-0
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DOI: https://doi.org/10.1007/s12206-019-0716-0