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Simulations of artificial vision suggest that 1000 electrodes may be required to restore vision to individuals with diseases of the outer retina. In order to achieve such an implant, new technology is needed, since the state-of-the-art implantable neural stimulator has at most 22 contacts with neural tissue. A critical component of this system is the multi-channel, stimulating electrode array. This...
Flexible enzyme free glucose micro-sensor with nanoporous Pt (platinum) working electrode on a bio-compatible PET (polyethylene terephthalate) film was designed, fabricated, and characterized for continuous monitoring applications. The fabricated flexible sensor showed electrode surface RF (roughness factor) of 106.5 which was much higher than that of the sensor with sputtered Au electrode. The fabricated...
A wireless epiretinal retina implant system, capable of stimulating the retinal ganglion cells in blind Retinitis Pigmentosa (RP) patients, was developed. The prosthesis itself is completely implanted into the eyeball, with no cable crossing the eyepsilas wall. Data and energy are provided by inductive coupling. The implant is based on a flexible polyimide tape with an integrated receiver coil, stimulation...
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