نتایج جستجو برای: transcutaneous electrode
تعداد نتایج: 79053 فیلتر نتایج به سال:
The purpose of this study was to document conductive differences among commercially available electrodes used with transcutaneous electrical nerve stimulation (TENS) devices. Impedance within a model system involving a human subject was calculated from oscilloscopic tracings of the pulse waveform for each of 25 different electrode types. Impedance values ranged from 1,000 to 7,800 omega Possibl...
BACKGROUND A critical limitation with transcutaneous neuromuscular electrical stimulation as a rehabilitative approach is the rapid onset of muscle fatigue during repeated contractions. We have developed a method called spatially distributed sequential stimulation (SDSS) to reduce muscle fatigue by distributing the center of electrical field over a wide area within a single stimulation site, us...
BACKGROUND High-Definition transcranial Direct Current Stimulation (HD-tDCS) allows for non-invasive neuromodulation using an array of compact (approximately 1 cm(2) contact area) "High-Definition" (HD) electrodes, as compared to conventional tDCS (which uses two large pads that are approximately 35 cm(2)). In a previous transcutaneous study, we developed and validated designs for HD electrodes...
Functional Electrical Stimulation is a commonly used method in clinical rehabilitation and research to trigger useful muscle contractions by electrical stimuli. In this work, we present a stimulation system for transcutaneous electrical stimulation that gives extensive control over the stimulation waveform and the stimulation timing. The system supports electrode arrays, which have been suggest...
Transcutaneous electrical stimulation (TES) enables functional movements of human limbs by applying electrically generated pulses to pairs of electrodes placed on the skin surface. New TES technology uses multi-channel configurable electrodes that can dynamically distribute the stimulation current across the skin surface. Such systems require a quantitative understanding of the spatial and temp...
Tactile sensory feedback plays an important role in our daily life. Transcutaneous electrical nerve stimulation (TENS) is widely accepted to produce artificial tactile sensation. To explore the underlying mechanism of tactile sensation under TENS, this paper presented a novel 3D TENS computational model including an active Aβ tactile nerve fiber (TNF) model and a forearm finite element model wi...
Transcutaneous electrical stimulation is applied in a range of biomedical applications including transcranial direct current stimulation (tDCS). tDCS is a non-invasive procedure where a weak direct current (<2 mA) is applied across the scalp to modulate brain function. High-definition tDCS (HD-tDCS) is a technique used to increase the spatial focality of tDCS by passing current across the scalp...
The vagus nerve (VN), the longest cranial nerve and an essential part of the parasympathetic system, connects the central nervous system to respiratory, cardiovascular, immune, gastrointestinal, and endocrine systems and is involved in the maintenance of homeostasis by controlling these systems. Vagus nerve stimulation (VNS) is related to any method that would stimulate the vagal nerve via elec...
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