Cochlea-Implantation: Evaluation of the dissolution of platinum-electrodes and development of stable electrodes-parameter for neural stimulation

人工耳蜗植入：评估铂电极的溶解度并开发稳定的电极-神经刺激参数

• 批准号: 240032230
• 负责人: Professor Dr. Martin Durisin
• 金额: --
• 依托单位: Hals-Nasen-Ohrenklinik
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2018-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/240032230?language=en
• 关键词: Cochlea; Implantation; Evaluation; dissolution; platinum

For small percentage of cochlear implant recipients, the ability to hear decreases after an undefined period of time. This can be corrected by increasing the electrical current, flowing through the affected electrodes. The effect occurs in addition to the normal post-operative formation of connective tissue and could not be clearly identified as yet. With increasing current, the danger of electrolysis rises, which would mean dissolution of the electrodes. To date, the performed studies indicate to this phenomenon. The aim of the applied project is to investigate under which circumstances dissolution of the platinum electrodes occurs. The factors involved in the dissolution of the electrodes are to be identified and limited in order to obtain stable long-term stimulation parameters.

对于一小部分接受人工耳蜗植入的人来说，在一段不确定的时间后，听力会下降。这可以通过增加流经受影响电极的电流来纠正。这种影响发生在手术后正常结缔组织形成之外，目前还不能清楚地确定。随着电流的增加，电解的危险增加，这将意味着电极的溶解。到目前为止，已经进行的研究表明了这一现象。应用项目的目的是调查在什么情况下铂电极发生溶解。为了获得稳定的长期刺激参数，需要确定和限制电极溶解所涉及的因素。