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Investigation of a new type of hearing aid device : the hearing contact lens®

  • The hearing contact lens® (HCL) is a new type of hearing aid devices. One of its main components is a piezo-electric actuator. In order to evaluate and maximize the HCL’s performance, a model of the HCL coupled to the middle ear was developed using finite element approach. The model was validated step by step starting with the HCL only. To validate the HCL model, vibrational measurements on the HCL were performed using a Laser-Doppler-Vibrometer (LDV). Then, a silicone cap was placed onto the HCL to provide an interface between the HCL and the tympanic membrane of the middle-ear model and additional LDV measurements on temporal bones were performed to validate the coupled model. The coupled model was used to evaluate the equivalent sound pressure of the HCL. Moreover, a deeper insight was gained into the contact between the HCL and tympanic membrane and its effects on the HCL performance. The model can be used to investigate the sensitivity of geometrical and material parameters with respect to performance measures of the HCL and evaluate the feedback behavior.

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Metadaten
Author of HS ReutlingenLauxmann, Michael; Burovikhin, Dmitrii; Sackmann, Benjamin
URL:https://medschool.cuanschutz.edu/docs/librariesprovider66/default-document-library/memro-program-abstract-booklet089df2e6302864d9a5bfff0a001ce385.pdf?sfvrsn=c7b596ba_2
Erschienen in:MEMRO 2022 : 9th international symposium on middle ear mechanics in research and otology, 21-25 June 2022, Boulder, CO, USA ; conference program and abstracts
Publisher:University of Colorado
Place of publication:Boulder, Colorado
Document Type:Conference proceeding
Language:English
Publication year:2022
Page Number:1
First Page:25
DDC classes:610 Medizin, Gesundheit
Open access?:Ja
Licence (German):License Logo  Open Access