Finite element model of human ear reconstruction through micro-computer tomography

Xilin Nie Department of Otorhinolaryngology-Head and Neck Surgery, Shanghai Zhongshan Hospital affiliated to Fudan University, Shanghai

Houguang Liu State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai

Xinsheng Huang Department of Otorhinolaryngology-Head and Neck Surgery, Shanghai Zhongshan Hospital affiliated to Fudan University, ShanghaiCorrespondence[email protected]

Jun Tan Department of Otorhinolaryngology-Head and Neck Surgery, Shanghai Zhongshan Hospital affiliated to Fudan University, Shanghai

Xiaofeng Xie Department of Otorhinolaryngology-Head and Neck Surgery, Shanghai Zhongshan Hospital affiliated to Fudan University, Shanghai

Wenjuan Yao Department of Civil Engineering, Shanghai University, Shanghai, PR China

Zhushi Rao State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai

Maoli Duan Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm; Department of Neurotology and Audiology; Department of Otolaryngology, Karolinska University Hospital, Stockholm, Sweden

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Abstract

Conclusions: The validated finite element model of human middle ear can be used as a tool in hearing loss research. Objective: To establish an accurate finite element model of the external ear canal and middle ear through micro-computer tomography and test its feasibility in the human. Methods: A fresh specimen of human temporal bone was scanned by micro-computer tomography. The finite element model was established based on the images, and then the simulation results were compared with published experimental data. Results: After a series of simulations were conducted, the simulated results were compatible with the published experimental data and this confirms the validation of the finite element model.

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Acknowledgments

This research was supported by the Science and Technology Commission of Shanghai Municipality Foundation (no. 08JC1404700) and the National Natural Science Foundation of China (nos 10772121 and 11072143). This research was also supported by Tysta skolan and Karolinska Institutet.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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Finite element model of human ear reconstruction through micro-computer tomography

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