's A Polymer Cochlear Electrode Array: Atraumatic Deep PDF

ISBN-10: 9811304718

ISBN-13: 9789811304712

This publication describes the layout, fabrication and review of a polymer-based neural interface for a cochlear electrode array, reviewed by way of fabrication strategy, performance, and reliability. Polymer-based units have attracted cognizance within the neural prosthetic box as a result of their flexibility and compatibility with micro-fabrication approach. A liquid crystal polymer (LCP) is an inert, hugely waterproof polymer appropriate for the encapsulation of digital parts and as a substrate fabric for fabricating neural interfaces. the writer has designed, fabricated, and evaluated an LCP-based cochlear electrode array for a far better polymer-based cochlear implant. The thesis bargains with three key issues: atraumatic deep insertion, tripolar stimulation, and long term reliability. Atraumatic insertion of the intracochlear electrode and ensuing renovation of residual listening to became crucial in state–of-the-art cochlear implantation. a unique tapered layout of an LCP-based cochlear electrode array is gifted to fulfill such ambitions. For high-density and pitch-recognizable cochlear implant, channel interplay can be kept away from. neighborhood tripolar stimulation utilizing multi-layered electrode websites are proven to accomplish hugely concentrated electric stimulation. This thesis addresses one other important factor within the polymer-based neural implants: the long term reliability factor. After suggesting a brand new approach to forming mechanical interlocking to enhance polymer-metal adhesion, the writer plays accelerating getting older assessments to make sure the method’s efficacy. The aforementioned 3 issues were completely tested via quite a few in vitro and in vivo stories. Verification foresees the improvement of LCP-based cochlear electrode array for an atraumatic deep insertion, complex stimulation, and long term medical implant.

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A Polymer Cochlear Electrode Array: Atraumatic Deep Insertion, Tripolar Stimulation, and Long-Term Reliability (Springer Theses)


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