2017
DOI: 10.7567/jjap.56.04cm05
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Design and evaluation of wide-range and low-power analog front-end enabling body-implanted devices to monitor charge injection properties

Abstract: For safe electrical stimulation with body-implanted devices, the degradation of stimulus electrodes must be considered because it causes the unexpected electrolysis of water and the destruction of tissues. To monitor the charge injection property (CIP) of stimulus electrodes while these devices are implanted, we have proposed a charge injection monitoring system (CIMS). CIMS can safely read out voltages produced by a biphasic current pulse to a stimulus electrode and CIP is calculated from waveforms of the acq… Show more

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(1 citation statement)
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“…CIC values were measured by a conventional method with 0.01 M PBS at 23 °C. (19) The used-input biphasic current pulse consisted of a 200 μs positive current pulse, a 200 μs negative current pulse, and a 20 μs interval between the positive and negative current pulses. In general, the input current depends on the maximum cathodic potential (E mc ) of the electrode material.…”
Section: Evaluation Results and Discussion Of Al-doped Zno Transparenmentioning
confidence: 99%
“…CIC values were measured by a conventional method with 0.01 M PBS at 23 °C. (19) The used-input biphasic current pulse consisted of a 200 μs positive current pulse, a 200 μs negative current pulse, and a 20 μs interval between the positive and negative current pulses. In general, the input current depends on the maximum cathodic potential (E mc ) of the electrode material.…”
Section: Evaluation Results and Discussion Of Al-doped Zno Transparenmentioning
confidence: 99%