2009
DOI: 10.1088/1741-2560/6/2/026001
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A distributed architecture for activating the peripheral nervous system

Abstract: We present a new system for functional electrical stimulation (FES) applications based on networked stimulation units. They embed an advanced analog circuit, which provides multipolar and multiphasic stimulation profiles, and digital circuits, which ensure safety, locally executed programmed profiles, and communication with the master controller. This architecture is thus based on distributed stimulation units (DSU) that need only a two-wire bus to communicate, regardless of the number of poles of each DSU-dri… Show more

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Cited by 61 publications
(47 citation statements)
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“…Electrical stimulation of excitable cells by injecting current waveforms through micro-electrodes is crucial to the function of neuroprosthetic devices such as prosthetic limbs, deep brain stimulators for the treatment of epilepsy, as well as retinal and cochlear implants [1], [2], [3], [4], [5]. The design of appropriate current waveforms to stimulate neurons has gained considerable attention [6], [7].…”
Section: Introductionmentioning
confidence: 99%
“…Electrical stimulation of excitable cells by injecting current waveforms through micro-electrodes is crucial to the function of neuroprosthetic devices such as prosthetic limbs, deep brain stimulators for the treatment of epilepsy, as well as retinal and cochlear implants [1], [2], [3], [4], [5]. The design of appropriate current waveforms to stimulate neurons has gained considerable attention [6], [7].…”
Section: Introductionmentioning
confidence: 99%
“…They were also approved by the Ethical Committee of the Universitat Autonoma de Barcelona, where the animal tests were performed. The stimulation protocol was executed by a STIM'3D stimulator [35] that delivered programmed rectangular current pulses of 10 s duration and intensity ranging from 20 to 300 A, at 0.5 Hz, through each one of the ten different active sites of the TIME with respect to a small needle electrode placed on the nerve. The compound muscle action potentials (CMAPs) were recorded using needle electrodes placed in each target muscle, amplified (P511AC, Grass, West Warwick, RI), band-pass filtered (5 Hz to 2 kHz), and digitized with a PowerLab recording system (PowerLab16SP, ADInstruments, Bella Vista, Australia) at 20 kHz.…”
Section: Time Implantation and Stimulation Proceduresmentioning
confidence: 99%
“…Hence the methodology HILECOP, based on a component approach, has been developed [1]. The behavior and composition of the components are specified by generalized Interpreted T-time Petri Nets (ITPN) [2].…”
Section: Introductionmentioning
confidence: 99%
“…The goal of this article is to ease the work of the designers and to increase the reliability by automatically treat conflicts. As the HILECOP methodology is notably used for medical implants [1], this automatic solution must suit the strict constraints of an embedded implementation, ie minimizing the size (number of cells) and the power consumption of the resulting FPGA implementation.…”
Section: Introductionmentioning
confidence: 99%