Stimulus driver for epilepsy seizure suppression with adaptive loading impedance

Ming Dou Ker, Chun Yu Lin, Wei Ling Chen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A stimulus driver circuit for a micro-stimulator used in an implantable device is presented in this paper. For epileptic seizure control, the target of the driver was to output 30 νA stimulus currents when the electrode impedance varied between 20 and 200 kΩ. The driver, which consisted of the output stage, control block and adaptor, was integrated in a single chip. The averaged power consumption of the stimulus driver was 0.24-0.56 mW at 800 Hz stimulation rate. Fabricated in a 0.35 νm 3.3 V/24 V CMOS process and applied to a closed-loop epileptic seizure monitoring and controlling system, the proposed design has been successfully verified in the experimental results of Long-Evans rats with epileptic seizures.

Original languageEnglish
Article number066008
JournalJournal of Neural Engineering
Volume8
Issue number6
DOIs
Publication statusPublished - 2011 Dec 1

Fingerprint

Electric Impedance
Epilepsy
Seizures
Rats
Long Evans Rats
Electric power utilization
Electrodes
Networks (circuits)
Monitoring
Equipment and Supplies

ASJC Scopus subject areas

  • Biomedical Engineering
  • Cellular and Molecular Neuroscience

Cite this

Stimulus driver for epilepsy seizure suppression with adaptive loading impedance. / Ker, Ming Dou; Lin, Chun Yu; Chen, Wei Ling.

In: Journal of Neural Engineering, Vol. 8, No. 6, 066008, 01.12.2011.

Research output: Contribution to journalArticle

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