Improved neuroprostheses by means of knitted textiles electrodes used for functional electrical stimulation

Poboroniuc, Marian; Irimia, Dănuţ-Constantin; Curteza, Antonela; Cretu, Viorica; Macovei, Laura

doi:10.1109/icepe.2016.7781355

Cited by 9 publications

(16 citation statements)

References 13 publications

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“…Several articles were found to be related to each other. Gniotek et al 57 reported preliminary results, and the same project was continued with changed parameters in a later publication by Frydrysiak et al 61 Similarly, Curteza et al 35 and Poboroniuc et al 37 reported different aspects of the same study. Finally, the study by Liu et al 41 was a follow-up to an investigation by Yang et al 52 involving related electrode constructions, and Crema et al 60 applied an electrode manufacturing technology developed by Popovi c-Bijeli c et al 62 However, as these articles still offered different information, they were all considered in the review.…”

Section: Selection Processmentioning

confidence: 93%

“…Within this, Popovi c-Bijeli c et al 62 and Keller et al 63 developed control systems that could activate selected electrode fields to create 'virtual electrodes' of various shapes and sizes. 20 In recent years, the focus has shifted to the integration of electrodes into electrode garments for FES and TENS, as presented by Curteza et al, 35 Poboroniuc et al, 37 D€ olker et al, 66 Goncu Berk 40 and Liu et al, 41 who manufactured various kinds of electrode sleeves and cuffs to stimulate limb muscles and nerves, whereas Moineau et al 21 and Li et al 54 designed entire electrode shirts or pants, and Hunold et al 67 developed an electrode cap for transcranial electrical stimulation.…”

Section: Selection Processmentioning

confidence: 99%

“…36 Furthermore, ease of use is a crucial characteristic relevant for self-application. 37 Nevertheless, there are also differences in performance requirements between the two types of electrodes. While the focus for monitoring electrodes is mainly on the signal quality, an important requirement for electrodes used in electrostimulation is providing an effective muscle/nerve activation without causing skin damage, irritation or pain.…”

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confidence: 99%

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A review of textile-based electrodes developed for electrostimulation

Euler

Guo

Persson

2021

Textile Research Journal

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Electrical stimulation can be used for the treatment of various nerve and muscle injuries as well as acute and chronic pain conditions. An electrical pulse is applied to a muscle or nerve to activate excitable tissue using internal or external electrodes with the aim of building muscle strength, artificially creating or supporting limb movement or reducing pain. Textile electrodes offer several advantages over conventionally used disposable surface electrodes: they are flexible and re-usable and they do not require hydrogels, thereby avoiding skin irritation and allergic reactions and enhancing user comfort. This article presents a literature review that assesses the state of research on textile electrode constructions. Based on the review, production approaches and designs are compared, methods for evaluating stimulation discomfort and pain are proposed and issues related to user compliance are discussed. The article concludes with suggestions for future work focused on investigating the impacts of textile-based electrode parameters on comfort, convenience and ease of use.

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Section: Selection Processmentioning

confidence: 93%

Section: Selection Processmentioning

confidence: 99%

mentioning

confidence: 99%

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A review of textile-based electrodes developed for electrostimulation

Euler

Guo

Persson

2021

Textile Research Journal

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“…Textile electrodes can be used in wet or dry condition. The former can be achieved using, e.g., tap water, saline solution, or an electrode cream or gel [ 25 , 32 , 33 , 34 ]. Differences between dry and wet textile electrodes are present with regard to some performance aspects.…”

Section: Introductionmentioning

confidence: 99%

“…For dry textile electrodes, on the other hand, no clear consensus exists regarding their electrical performance. Some researchers have successfully proven that textile electrodes can also be used dry [ 8 , 35 , 37 ], while others prefer the use of textile electrodes in wet condition [ 6 , 24 , 25 , 26 , 31 , 32 , 33 , 34 ]. Nevertheless, dry electrodes are expected to provide advantages during usage; for example, a better user compliance is enabled when no re-wetting is required, the user comfort is improved when omitting the need for an electrolyte, and problems due to drying-out are avoided.…”

Section: Introductionmentioning

confidence: 99%

Textile Electrodes: Influence of Knitting Construction and Pressure on the Contact Impedance

Euler

Guo

Persson

2021

Sensors

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Textile electrodes, also called textrodes, for biosignal monitoring as well as electrostimulation are central for the emerging research field of smart textiles. However, so far, only the general suitability of textrodes for those areas was investigated, while the influencing parameters on the contact impedance related to the electrode construction and external factors remain rather unknown. Therefore, in this work, six different knitted electrodes, applied both wet and dry, were compared regarding the influence of specific knitting construction parameters on the three-electrode contact impedance measured on a human forearm. Additionally, the influence of applying pressure was investigated in a two-electrode setup using a water-based agar dummy. Further, simulation of an equivalent circuit was used for quantitative evaluation. Indications were found that the preferred electrode construction to achieve the lowest contact impedance includes a square shaped electrode, knitted with a high yarn density and, in the case of dry electrodes, an uneven surface topography consisting of loops, while in wet condition a smooth surface is favorable. Wet electrodes are showing a greatly reduced contact impedance and are therefore to be preferred over dry ones; however, opportunities are seen for improving the electrode performance of dry electrodes by applying pressure to the system, thereby avoiding disadvantages of wet electrodes with fluid administration, drying-out of the electrolyte, and discomfort arising from a “wet feeling”.

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Industry‐Scalable Reusable Textile Electrodes for Neurostimulation Applications

Al‐Rasheed,

Lam,

Jambar

et al. 2024

Adv Healthcare Materials

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Neurostimulation delivers electrical pulses to modulate neuromuscular activity. Commonly used in medical interventions from pain relief to rehabilitation, neurostimulation typically uses manually placed hydrogel electrodes over the treated region. However, this method limits interventions requiring frequent, long‐term daily use. To address this, novel fully textile electrodes are developed using industrial programmable knitting machines. These electrodes are designed to be washable, reusable, flexible, and breathable, with embedded interconnects. Textile electrodes are made of yarns with stainless steel and PEDOT‐coated stainless steel conductive components. The electrodes' performance are compared with gel electrodes, characterizing impedance, sensorimotor stimulation thresholds, recruitment of induced movements, sensation levels, and perceived sensations. The effects of residential wash cycles and continuous use duration are also investigated. The proposed electrodes are found to perform similarly to hydrogel electrodes in all characterized metrics. No degradation in electrode performance is found after at least 30 wash cycles. Electrodes remained functionally intact after 1000 cycles of stretch loading at 50% of break strain. The textile electrodes consistently induced comfortable sensorimotor responses for at least six hours after donning. The proposed textile electrodes offer a novel and effective solution for neurostimulation interventions, paving the way for integration into smart garments and long‐term wearable health technologies.

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Improved neuroprostheses by means of knitted textiles electrodes used for functional electrical stimulation

Cited by 9 publications

References 13 publications

A review of textile-based electrodes developed for electrostimulation

A review of textile-based electrodes developed for electrostimulation

Textile Electrodes: Influence of Knitting Construction and Pressure on the Contact Impedance

Industry‐Scalable Reusable Textile Electrodes for Neurostimulation Applications

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