Automated setup of functional electrical stimulation for drop foot using a novel 64 channel prototype stimulator and electrode array: results from a gait-lab based study

Medical Engineering & Physics
Ben W HellerAnthony T Barker

Abstract

Functional electrical stimulation is commonly used to correct drop foot following stroke or multiple sclerosis. This technique is successful for many patients, but previous studies have shown that a significant minority have difficulty identifying correct sites to place the electrodes in order to produce acceptable foot movement. Recently there has been some interest in the use of 'virtual electrodes', the process of stimulating a subset of electrodes chosen from an array, thus allowing the site of stimulation to be moved electronically rather than physically. We have developed an algorithm for automatically determining the best site of stimulation and tested it on a computer linked to a small, battery-powered prototype stimulator with 64 individual output channels. Stimulation was delivered via an 8×8 array adhered to the leg by high-resistivity self-adhesive hydrogel. Ten participants with stroke (ages 53-71 years) and 11 with MS (ages 40-80 years) were recruited onto the study and performed two walks of 10 m for each of the following conditions: own setup (PS), clinician setup (CS), automated setup (AS) and no stimulation (NS). The PS and CS conditions used the participant's own stimulator with two conventional electrodes; t...Continue Reading

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Citations

Feb 20, 2016·Neuromodulation : Journal of the International Neuromodulation Society·Martin SlovakAnthony T Barker
Apr 18, 2014·Disability and Rehabilitation. Assistive Technology·Tracey WilliamsonChristine Smith
May 31, 2011·Journal of Neuroengineering and Rehabilitation·Stephen J PreeceBosco T Fernandes
Oct 25, 2016·Medical Engineering & Physics·C T FreemanM Kutlu
Mar 19, 2019·Annual Review of Biomedical Engineering·Eun Kwang LeeChi Hwan Lee
Mar 28, 2020·Journal of Neuroengineering and Rehabilitation·Javier Gil-CastilloJuan C Moreno
Jul 5, 2017·Journal of Neuroengineering and Rehabilitation·Jovana MaleševićThierry Keller
Nov 8, 2018·Journal of Neuroengineering and Rehabilitation·Guangtao ChenKaiyu Tong
Sep 14, 2019·Journal of Rehabilitation and Assistive Technologies Engineering·Eukene Imatz-OjangurenThierry Keller
Jun 28, 2019·Journal of Rehabilitation and Assistive Technologies Engineering·Mary M RodgersRichard S Conroy
Feb 13, 2018·ChemistryOpen·Ruo-Can Qian, Yi-Tao Long
Jun 14, 2019·Journal of Rehabilitation and Assistive Technologies Engineering·Christine SmithSarah Cotterill

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