Flexible sling electrode for bidirectional neural signal recording and selective stimulation

This paper demonstrates bidirectional selective recording and stimulation by using flexible and adjustable sling electrodes aiming at electroceuticals application in the future. The sling design enables helical implantations of sensing electrodes on a nerve with less pressure and tight contact. Neural signals are recorded from six sensing electrodes with different amplitudes and latencies, showing relatively selective recordings. In addition, selective stimulations are also conducted with monitoring muscle signals, showing different selectivity depending on spatial positions of stimulating electrodes. Overall our data shows that this sling design would be effective in bidirectional control in electroceuticals.