%0 Journal Article
%T Piezoelectric Cochlea Implants and Their Effect on Improving Hearing<br>基于压电效应的人工耳蜗的实验研究
%A CHEN Heng
%A DONG Xian-Lin
%A LU Fei
%A MA Yan
%A WANG Yong-Ling
%A <br>陈恒
%A 董显林
%A 鲁飞
%A 马衍
%A 王永龄
%J 无机材料学报
%D 2007
%I Science Press
%X In order to improve hearing ability, piezoelectric materials were directly used to cochlea implants based on piezoelectric characteristics which could transform acoustic vibration into electric signal. A series of experiments were done to substantiate the feasibility of the different piezoelectric cochlea implants in vitro and in vivo. The unpoled ceramic had no piezoelectric characteristic and no ability to decrease the threshold, while the poled ceramic had obvious piezoelectric effect to recover the hearing. Based on these results, it can be affirmed that the piezoelectric cochlea implant can activate the nerve and decrease the threshold. In comparison with ceramics, the piezoelectric polymer is also adaptive for implant material to activate the nerve and improve hearing.
%K piezoelectric
%K cochlea
%K implantation
%K acoustic-electric transition<br>压电材料
%K 耳蜗
%K 植入
%K 声电转换
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=ABC0063016AF57E1C73EF43C8D2212BD&aid=EC8A58830DEA2919&yid=A732AF04DDA03BB3&vid=BC12EA701C895178&iid=CA4FD0336C81A37A&sid=D46BA3D3D4B3C585&eid=847B14427F4BF76A&journal_id=1000-324X&journal_name=无机材料学报&referenced_num=0&reference_num=14