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Design of Bionic Cochlear Basilar Membrane Acoustic Sensor for Frequency Selectivity Based on Film Triboelectric Nanogenerator

机译:基于薄膜摩擦电纳米发生器的频率选择性仿生耳蜗基底膜膜声传感器的设计

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Sensorineural hearing loss tops the list of most suffering disease for the sake of its chronic, spirit pressing, and handicapped features, which can happen to all age groups, from newborns to old folks. Laggard technical design as well as external power dependence of conventional cochlear implant cumbers agonized patients and restrict its wider practical application, driving researchers to seek for fundamental improvement. In this paper, we successfully proposed a novel bionic cochlear basilar membrane acoustic sensor in conjugation with triboelectric nanogenerator. By trapezoidally distributing nine silver electrodes on both two polytetrafluoroethylene membranes, a highly frequency-selective function was fulfilled in this gadget, ranging from 20 to 3000?Hz. It is believed to be more discernable with the increment of electrode numbers, referring to the actual basilar membrane in the cochlear. Besides, the as-made device can be somewhat self-powered via absorption of vibration energy carried by sound, which tremendously facilitates its potential users. As a consequence, the elaborate bionic system provides an innovative perspective tackling the problem of sensorineural hearing loss.
机译:感音神经性听力损失由于其慢性,精神压迫和残障特征而居于最痛苦的疾病之首,这可能发生在从新生儿到老年人的所有年龄段。落后的技术设计以及传统人工耳蜗的外部功率依赖性使患者感到困扰,并限制了其广泛的实际应用,促使研究人员寻求根本的改进。在本文中,我们成功地提出了与摩擦纳米发电机结合的新型仿生耳蜗基底膜声传感器。通过在两个聚四氟乙烯膜上梯形分布九个银电极,该小工具可实现20至3000?Hz的高频率选择功能。据信,随着电极数目的增加,可以更明显地辨别,这是指耳蜗中的实际基底膜。此外,通过吸收声音携带的振动能量,可以对制成的设备进行某种程度的自供电,这极大地方便了它的潜在用户。结果,精心设计的仿生系统提供了解决感音神经性听力损失问题的创新视角。

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