Modeling and simulation of cochlear perimodiolar electrode based on composite spring-mass model

Jianjun Li, Yue Wu, Jianye Zhuo and Zuo Wang

Computer Methods in Biomechanics and Biomedical Engineering, 2022, vol. 25, issue 3, 290-297

Abstract: This paper proposes, a method for the physical modeling of the perimodiolar electrode, particularly for the process of recovering its preset shape with the guide wire drawn out, based on the composite spring-mass model by employing the virtual-volumetric spring inspired from the traditional spring-mass model. Simulation experiments of modeling and virtual insertion of perimodiolar electrode were carried out. The results indicated that the mean and standard deviation of the difference between the local deformation angles of the simulated and measured sets of mass points, (1, 2, 3), (2, 3, 4), …, (13, 14, 15), were 6.34° and 5.98°, respectively. Additionally, the physical model of the perimodiolar electrode can reflect the overall morphological changes of the real perimodiolar electrode.

Date: 2022
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DOI: 10.1080/10255842.2021.1950145

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