• Med Biol Eng Comput · May 2006

    Model-based evaluation of the short-circuited tripolar cuff configuration.

    • Lotte N S Andreasen and Johannes J Struijk.
    • Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7D, 9220 Aalborg, Denmark. naja@smi.auc.dk
    • Med Biol Eng Comput. 2006 May 1; 44 (5): 404-13.

    AbstractRecordings of neural information for use as feedback in functional electrical stimulation are often contaminated with interfering signals from muscles and from stimulus pulses. The cuff electrode used for the neural recording can be optimized to improve the S/I ratio. In this work, we evaluate a model of both the nerve signal and the interfering signals recorded by a cuff, and subsequently use this model to study the signal to interference ratio of different cuff designs and to evaluate a recently introduced short-circuited tripolar cuff configuration. The results of the model showed good agreement with results from measurements in rabbits and confirmed the superior performance of the short-circuited tripolar configuration as compared with the traditionally used tripolar configuration.

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