Microtech2010 2010

Long term functional stability and encapsulation reliability of fully integrated wireless neural interfaces based on Utah Slant Electrode Array (USEA)

A. Sharma, L. Rieth, P. Tathireddy, R. Harrison, H. Oppermann, M. Klein, R. Normann, G. Clark, F. Solzbacher
University of Utah, US

Keywords: wireless neurla interface, functional stability, encapsulation reliability, chronic implants

Abstract:

Implantable biomedical devices such as microelectrode arrays for neural recording/stimulation are being developed as viable treatments for sensory and movement disorder. One of the most significant challenges is the percutaneous connectors, which are likely to cause infections during chronic use. To eliminate the use of wired connections significant research efforts have been put into the development of fully integrated wireless neural interfaces. These implantable integrated wireless neural interface devices must be designed to eventually function in-vivo for years. Packaging and encapsulation that can protect the electronic circuitry of neural interface from the harsh in-vivo environment, is a major challenge. In this context, we herein demonstrate in-vitro long term functional stability and the encapsulation reliability of fully integrated wireless neural interfaces based on Utah Slant Electrode Array (USEA)/integrated neural interface-recording version 5 (INI-R5) which designed to record from peripheral nerves.
 
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