title: Experimental investigations and finite element simulation of cutting heat in vibrational and conventional drilling of cortical bone.
abstract: Heat generated during bone drilling could cause irreversible thermal damage, which can lead to bone necrosis or even osteomyelitis. In this study, vibrational drilling was applied to fresh bovine bones to investigate the cutting heat in comparison with conventional drilling through experimental investigation and finite element analysis (FEA). The influence of vibrational frequency and amplitude on cutting heat generation and conduction were studied. The experimental results showed that, compared with the conventional drilling, vibrational drilling could significantly reduce the cutting temperature in drilling of cortical bone (P<0.05): the cutting temperature tended to decrease with increasing vibrational frequency and amplitude. The FEA results also showed that the vibrational amplitude holds a significant effect on the cutting heat conduction.
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China; Research Institute of Beihang University in Shenzhen, Shenzhen 518057, China.
authors.forename: Yu
authors.initials: Y
authors.lastname: Wang
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.
authors.forename: Meng
authors.initials: M
authors.lastname: Cao
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.
authors.forename: Xiangrui
authors.initials: X
authors.lastname: Zhao
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.
authors.forename: Gang
authors.initials: G
authors.lastname: Zhu
authors.affiliation: Institute of Biomedical Engineering, National Yang-Ming University, Taipei, Taiwan.
authors.forename: Colin
authors.initials: C
authors.lastname: McClean
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.
authors.forename: Yuanyuan
authors.initials: Y
authors.lastname: Zhao
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China; Research Institute of Beihang University in Shenzhen, Shenzhen 518057, China. Electronic address: yubofan@buaa.edu.cn.
authors.forename: Yubo
authors.initials: Y
authors.lastname: Fan
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000601:surgery*; D002417:Cattle; D020342:Finite Element Analysis; D006358:Hot Temperature; D008962:Models, Theoretical; D019637:Orthopedic Procedures / Q000009:adverse effects*; D014732:Vibration
keywords: Bone drilling; Cutting heat; FEM; Simulation; Vibrational drilling