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- Title
Finite Element Modeling of Residual Hearing after Cochlear Implant Surgery in Chinchillas.
- Authors
Castle, Nicholas; Liang, Junfeng; Smith, Matthew; Petersen, Brett; Matson, Cayman; Eldridge, Tara; Zhang, Ke; Lee, Chung-Hao; Liu, Yingtao; Dai, Chenkai
- Abstract
Cochlear implant (CI) surgery is one of the most utilized treatments for severe hearing loss. However, the effects of a successful scala tympani insertion on the mechanics of hearing are not yet fully understood. This paper presents a finite element (FE) model of the chinchilla inner ear for studying the interrelationship between the mechanical function and the insertion angle of a CI electrode. This FE model includes a three-chambered cochlea and full vestibular system, accomplished using µ-MRI and µ-CT scanning technologies. This model's first application found minimal loss of residual hearing due to insertion angle after CI surgery, and this indicates that it is a reliable and helpful tool for future applications in CI design, surgical planning, and stimuli setup.
- Subjects
COCHLEAR implants; FINITE element method; VESTIBULAR apparatus; COCHLEA physiology; INNER ear; SURGERY; HEARING disorders; HEARING aids
- Publication
Bioengineering (Basel), 2023, Vol 10, Issue 5, p539
- ISSN
2306-5354
- Publication type
Article
- DOI
10.3390/bioengineering10050539