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http://dx.doi.org/10.5369/JSST.2014.23.3.178

Proposition of a New Implantable Acoustic Sensor Based on Technology Evaluation of Fully Implantable Hearing Aids  

Cho, Jin-Ho (School of Electronics Engineering, College of IT Engineering, Kyungpook National University)
Woo, Seong Tak (Graduate school of Electronics Engineering, Kyungpook National University)
Lim, Hyung-Gyu (Graduate school of Electronics Engineering, Kyungpook National University)
Jung, Eui Sung (Graduate school of Electronics Engineering, Kyungpook National University)
Lee, Jyung Hyun (Department of Biomedical Engineering, Kyungpook National University Hospital)
Lee, Seung-Ha (Graduate school of Biomedical Engineering, Dankook University)
Seong, Ki Woong (Department of Biomedical Engineering, Kyungpook National University Hospital)
Publication Information
Journal of Sensor Science and Technology / v.23, no.3, 2014 , pp. 178-184 More about this Journal
Abstract
Key components of implantable hearing aids are consist of an acoustic sensor that collect external sound by suppressing the body noise, a signal processor module for compensation algorithm of hearing loss, and a output transducer which has tiny size but have high efficiency, respectively. In the partial implantable hearing aids, technologies of transducer and signal processor are so matured that can be applied not too much difficulty. However, due to the difficulties in implantable acoustic sensor technology, such as minimization of masticatory sound and damage of sensor's membrane from external impact, practical use of fully implantable hearing aids have not successful so far. In this paper, we have proposed a novel implantable acoustic sensor which has trans-tympanic structure, and is verified that the proposed method can be very useful for fully implantable hearing aids by cadaveric experiments.
Keywords
Fully implantable hearing aids; Implantable acoustic sensor; Middle ear implant; Cochlear implant; Trans-tympanic membrane;
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