Thermal Contact Simulation of Drill Bit and Bone During Drilling教材.pdf

Thermal Contact Simulation of Drill Bit and Bone
During Drilling

Yuan-Kun Tu Wei-Hua Lu
Vice-Superintendent, E-Da Hospital Department of Material Engineering
and I-Shou University National Pingtung University of Science and Technology
Kaohsiung Hsien, Taiwan Pingtung, Taiwan
******@.tw ******@
Li-Wen Chen, Chun-Hui Chiang, Yung-Chuan Chen* Hsun-Heng Tsai
Department of Vehicle Engineering Department of Biomechatronic Engineering
National Pingtung University of Science and Technology National Pingtung University of Science and Technology
Pingtung, Taiwan Pingtung, Taiwan
******@ (*corresponding author) ******@


Abstract—In this study, a dynamic elastic-plastic finite element near the drilling site. The results showed that by the
model is used to simulate the bone temperature rise during application of a larger force to the drill, both maximum
drilling process. Various rotating speeds and applied forces of the cortical temperatures and their duration above 50°C may be
drill bit are investigated to explore the effects of these parameters effectively reduced, decreasing the potential for thermal
on the temperature rise within the bone. The results indicate that necrosis in the neighboring cortical bone. In addition, the
a drill bit with a higher rotating speed or a higher applied force