A Polymer Cochlear Electrode Array Atraumatic Deep Insertion Tripolar Stimulation And Long Term Reliability
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A Polymer Cochlear Electrode Array Atraumatic Deep Insertion Tripolar Stimulation And Long Term Reliability
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Author : Tae Mok Gwon
language : en
Publisher: Springer
Release Date : 2018-05-24
A Polymer Cochlear Electrode Array Atraumatic Deep Insertion Tripolar Stimulation And Long Term Reliability written by Tae Mok Gwon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-24 with Technology & Engineering categories.
This book describes the design, fabrication and evaluation of a polymer-based neural interface for a cochlear electrode array, reviewed in terms of fabrication process, functionality, and reliability. Polymer-based devices have attracted attention in the neural prosthetic field due to their flexibility and compatibility with micro-fabrication process. A liquid crystal polymer (LCP) is an inert, highly water-resistant polymer suitable for the encapsulation of electronic components and as a substrate material for fabricating neural interfaces. The author has designed, fabricated, and evaluated an LCP-based cochlear electrode array for an improved polymer-based cochlear implant. The thesis deals with 3 key topics: atraumatic deep insertion, tripolar stimulation, and long-term reliability. Atraumatic insertion of the intracochlear electrode and resulting preservation of residual hearing have become essential in state–of-the-art cochlear implantation. A novel tapered design of an LCP-based cochlear electrode array is presented to meet such goals. For high-density and pitch-recognizable cochlear implant, channel interaction should be avoided. Local tripolar stimulation using multi-layered electrode sites are shown to achieve highly focused electrical stimulation. This thesis addresses another vital issue in the polymer-based neural implants: the long-term reliability issue. After suggesting a new method of forming mechanical interlocking to improve polymer-metal adhesion, the author performs accelerating aging tests to verify the method’s efficacy. The aforementioned three topics have been thoroughly examined through various in vitro and in vivo studies. Verification foresees the development of LCP-based cochlear electrode array for an atraumatic deep insertion, advanced stimulation, and long-term clinical implant.
Innovative Techniques For Atraumatic And Precise Electrode Array Insertion In Cochlear Implantation
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Author : Nauman Hafeez
language : en
Publisher:
Release Date : 2022
Innovative Techniques For Atraumatic And Precise Electrode Array Insertion In Cochlear Implantation written by Nauman Hafeez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.