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Durable conducting polymer electrode materials on flex circuits for neuromodulation
Keywords: Electrodes, Flex Circuits, PEDOT
Conducting polymers offer significant advantages over traditional electrode materials for tissue-interfacing of cardiac and neuromodulation devices. In particular, the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) has been widely studied for electrical stimulation and recording of neural tissue. Electrodes produced with PEDOT have low impedance, low polarizability, high charge injection capabilities, and are mechanically flexible. In addition they offer processing advantages that makes them very well suited for microelectrodes on flexible circuits. Amplicoat is a proprietary electrode material based on PEDOT that has been specially formulated for mechanical durability and electrical stability on medical devices in the human body. It is also biocompatible. Amplicoat is currently used clinically on CE Mark approved and FDA cleared devices. This material enables the use of flex circuit microelectrodes for many new therapies and novel devices that are smaller, less invasive, more energy efficient, more targeted, and have fewer side effects. Results on the development and use of Amplicoat for various medical devices will be presented.
Jeff Hendricks, PhD,
Heraeus Medical Components
Richmond, CA
United States

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