Regenerative Medicine for the Inner Ear by Juichi Ito

Author:Juichi Ito
Language: eng
Format: epub
Publisher: Springer Japan, Tokyo

17.3 Non-Life-Sized Device

Our final goal is to develop a novel artificial cochlea which realizes both acoustic/electric conversion and frequency selectivity without an external energy supply. As the first step, the non-life-sized prototype device was developed for in vitro experiment [5] as shown in (Fig. 17.2) by the use of microelectromechanical systems (MEMS) technologies. The main part of the device comprises an artificial basilar membrane made of piezoelectric material. It is a polyvinylidene difluoride (PVDF) membrane 40 μm thick fixed on a substrate with a trapezoidal slit.

Fig. 17.2Schematic drawing of a non-life-sized device [4]

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