Micromachined conformal electrode array for retinal prosthesis application

Murat Okandan; Kurt O. Wessendorf; Todd R. Christenson; Tom Lemp; Randy J. Shul; Michael Baker; Conrad James; Ramona Myers; David Stein

doi:10.1117/12.478154

17 January 2003 Micromachined conformal electrode array for retinal prosthesis application

Murat Okandan, Kurt O. Wessendorf, Todd R. Christenson, Tom Lemp, Randy J. Shul, Michael Baker, Conrad James, Ramona Myers, David Stein

Author Affiliations +

Proceedings Volume 4982, Microfluidics, BioMEMS, and Medical Microsystems; (2003) https://doi.org/10.1117/12.478154
Event: Micromachining and Microfabrication, 2003, San Jose, CA, United States

Abstract

Retinal prosthesis projects around the world have been pursuing a functional replacement system for those with retinal degeneration. In this paper, we will outline the concept for a micromachined conformal electrode array and present preliminary fabrication results. Individual electrodes are designed to float on micromachined springs on a substrate that will enable the adjustment of spring constants and therefore contact force by adjusting the dimensions of the springs at each electrode. This will also allow us to accommodate the varying curvature/topography of the retina. We believe that this approach will provide several advantages by improving the electrode/tissue interface as well as generating some new options for in-situ measurements and overall system design.

Citation Download Citation

Murat Okandan, Kurt O. Wessendorf, Todd R. Christenson, Tom Lemp, Randy J. Shul, Michael Baker, Conrad James, Ramona Myers, and David Stein "Micromachined conformal electrode array for retinal prosthesis application", Proc. SPIE 4982, Microfluidics, BioMEMS, and Medical Microsystems, (17 January 2003); https://doi.org/10.1117/12.478154

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