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  • Title: Development of a simple low noise amplifier for recording of sensory mass signals from peripheral nerves.
    Author: Stieglitz T, Klausmann D, Krueger TB.
    Journal: Biomed Tech (Berl); 2009 Feb; 54(1):1-7. PubMed ID: 19182867.
    Abstract:
    In the present work, a simple low noise amplifier system with relatively few components for the recording of peripheral nerve signals via electrodes, such as cuff electrodes, was developed. The amplifier system was developed with the aid of a computer-aided characterization tool, which allowed the characterization of bioelectric signal amplifiers and the identification of system parameters. Three commercially available amplifier systems were investigated with this tool regarding their technical parameters. In addition, peripheral sensory nerve mass signals were analyzed to validate the target specifications for the amplifier to be designed with regard to amplitude and frequency range. An amplifier was designed and developed according to these specifications, characterized in comparison to the commercial amplifiers, and successfully applied in pilot experiments on the sciatic nerve in a rat animal model.
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