EP2053965A1 - Dispositif textile a electrodes, en particulier pour l'electrostimulation multicanal ou des mesures electrophysiologiques, et procede pour sa fabrication - Google Patents

Dispositif textile a electrodes, en particulier pour l'electrostimulation multicanal ou des mesures electrophysiologiques, et procede pour sa fabrication

Info

Publication number
EP2053965A1
EP2053965A1 EP07785104A EP07785104A EP2053965A1 EP 2053965 A1 EP2053965 A1 EP 2053965A1 EP 07785104 A EP07785104 A EP 07785104A EP 07785104 A EP07785104 A EP 07785104A EP 2053965 A1 EP2053965 A1 EP 2053965A1
Authority
EP
European Patent Office
Prior art keywords
textile
electrode
electrode device
embroidery
textile layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07785104A
Other languages
German (de)
English (en)
Inventor
Bernhard Bischoff
Thierry Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BISCHOFF TEXTIL AG
Original Assignee
BISCHOFF TEXTIL AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BISCHOFF TEXTIL AG filed Critical BISCHOFF TEXTIL AG
Publication of EP2053965A1 publication Critical patent/EP2053965A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/282—Holders for multiple electrodes

Definitions

  • Textile electrode device in particular for multichannel electrostimulation or electrophysiological measurements, and method for its production
  • the invention relates to a textile electrode device according to the preamble of claim 1 and to a method for producing a textile electrode device.
  • Textile-integrated electrodes for transcutaneous electrostimulation are becoming increasingly important, since their integration in cuffs or garments considerably simplifies the use of electrotherapies, muscular bodybuilding, electrical pain therapy or functional electrostimulation. Furthermore, textile-integrated electrodes are also useful for electrophysiological measurements.
  • a generic textile electrode device is described in WO 01/02052 A2. Namely, there is shown a garment having at least one electrically conductive and one electrically insulating zone and suitable for use as a medical electrode.
  • the known textile electrode device comprises a textile layer which can be prestressed against the body surface of an individual carrying the device and which is provided on the body-facing side with a group of electrodes.
  • WO 01/02052 A2 also mentions embroidered electrodes which, in particular, may be formed from an electrically conductive yarn.
  • WO 01/02052 A2 can be deduced that each electrode is connected to an associated electrical supply line. These electrical leads consist of wires or filaments, for example of stainless steel or copper fibers.
  • the known textile electrode device has in particular in connection with the electrical leads to considerable disadvantages.
  • Drahiförmigen leads always the risk that individual wires tear under mechanical stress or tension.
  • the electrical contact of lead wire and embroidered electrode may be particularly problematic under strain as the contact zone is formed essentially by a comparatively small number of point contact zones of the wire with the embroidery thread of the electrode. These zones of contact are easily removed when stretching the textile layer and thus the electrical contact is interrupted.
  • wires can result in uncomfortable pressure points.
  • the object of the invention is to provide an improved textile electrode device with which in particular the disadvantages of the known devices can be avoided.
  • Another object of the invention is to provide a method for producing a textile electrode device.
  • the leads are designed as embroidered strip conductors on a second textile layer, which is arranged on the side facing away from the body of the first textile layer, wherein each embroidery electrode is contacted with the associated conductor track in a contacting region of the same, resulting in comparison to the prior Technology different advantages.
  • a good and reliable electrical contact between the supply line and the embroidery electrode is ensured.
  • contacted flat is understood in the present context to mean that the embroidery electrode and the contacting region of the associated Conductor flat, so not only pointwise, held against each other or are attached. In principle, different attachment methods are suitable for this, in particular embroidery, stitching or stapling. Alternatively or additionally, a suitable, electrically conductive adhesive can also be used for this purpose.
  • the surface contacting is accomplished by embroidering with an electrically conductive yarn, wherein formed in one operation, the embroidery electrode and the surface contact is created.
  • the inventive textile electrode device is particularly suitable for electrostimulation, but it can also be used for electrophysiological measurements. In principle, however, it can also be used for other medical or non-medical applications.
  • Fig. 1 is a textile electrode device, in a schematic representation as
  • FIG. 2 shows the device of FIG. 1 in a schematic sectional view along the section U-II of FIG. 1;
  • Fig. 4 shows a detail of the device of Fig. 3, in a schematic
  • FIG. 5 shows a further textile electrode device, in photographic plan view of the first textile layer, from its side facing the body;
  • FIG. 6 shows an enlarged detail of FIG. 5 in the region of an embroidery electrode.
  • the textile electrode device for electrostimulation or for electrophysiological measurements shown in FIGS. 1 and 2 comprises a first textile layer 4, which can be prestressed against the body surface 2 of an individual carrying the device, which is provided on the body-facing side with a group of embroidery electrodes 6 consisting of an electric conductive yarn 8 are formed.
  • An electrode group consists of at least two flat, for example rectangular or square, embroidery electrodes 6.
  • Each embroidery electrode 6 is connected to an associated electrical supply line 10.
  • the leads 10 are also embroidered from an electrically conductive yarn 12 and are located on a second textile layer 14, which is arranged on the side facing away from the body of the first textile layer 4.
  • Each embroidery electrode 6 is stiffened with the associated conductor track 10 in a contacting region 16 of the same.
  • Both textile layers are preferably made of an elastic polyester tulle or a non-elastic textile fabric.
  • the first textile layer 4 completely covers the electrical leads 10 of the second textile layer 14 towards the skin 2 and is responsible for a pleasant wearing comfort of the textile electrode device.
  • the electrode surface is through both textile layers with stitched a satin stitch, so that the electrode surface well contacts the leads in the second layer.
  • an embroiderable metal-coated monofilament or multifilament yarn made of polyester is used as the electrically conductive yarn for the embroidery electrode.
  • a thread e.g. a silver-coated, distorted PES 24x1 thread
  • Such a thread has good electrical conductivity.
  • the electrical leads 10 are advantageously carried out in a stem stitch with a first thread 12a and a second thread 12b. This guarantees multiple cross-contacting of the conductive plastic threads used in order to minimize the voltage drop along the supply line. In addition, a multiple cross-contacting of the yarn in an embroidered lead is necessary so that the current required for electrical stimulation of up to 150 mA per electrode surface can be performed without leading to significant heating of the leads in the tissue.
  • the supply lines 10 are guided in parallel at their end 18 facing away from the electrode surface 6 in the spacing of the grid.
  • This makes it possible to flatten a ribbon connector to the textile fabric with the embroidered leads, as is common in computer connection technology.
  • a multichannel electrostimulator not described here can be connected to this ribbon connector, which can supply each electrode surface with individual power.
  • a measuring device for carrying out electrophysiological measurements it is possible to use one part of the stick electrodes as measuring electrodes and another part as stimulating electrodes.
  • the supply lines in the contacting region with the respective associated embroidery electrode are made spirally, so that the entire electrode surface is supplied with homogeneous current.
  • the supply lines in the contacting area are designed in the shape of a knob.
  • the embroidered leads are not guided in a straight line but meander-shaped, so that the elasticity is not impaired by the embroidered supply lines.
  • the textile electrode device may comprise further layers.
  • the second textile layer can be provided on both sides with a surface insulation, which, however, must have corresponding recesses for the contact between the embroidery electrode and the supply line between the first and second textile layers in the region of the embroidery electrodes.
  • This surface insulation is provided as moisture and electrical insulation protection, especially since the electrical voltages in the electrode leads and in the electrode surfaces can be well 100 to 200 V.
  • insulation protection on the side facing away from the body is also necessary above the electrode group for safety-related reasons.
  • the first textile layer on the body-facing side is covered with a contacting medium which covers the embroidery electrodes.
  • the provided as a second layer textile layer is first equipped with the tracks. This is done in a conventional manner by embroidering with an electrically conductive yarn. Subsequently, the textile layer provided as the first layer is laid over it so that the conductor tracks are located between the two textile layers. As a result, the first and second textile layers in the vicinity of the contacting regions are joined together by an electrically conductive yarn. the verstickt, being formed on the side facing away from the second textile layer side of the first textile layer, a group of embroidery electrodes and electrically connected to the respective associated contacting region.
  • first a first textile layer with embroidery electrodes attached thereto and a second textile layer with conductor tracks embroidered thereon are provided.
  • the arrangements of the embroidery electrodes and the contacting regions of the conductor tracks on the respective layer form a substantially congruent pattern.
  • the first and second textile layers are placed on top of each other such that the conductor tracks are located between the two textile layers and each embroidery electrode covers the contacting region of the associated conductor track.
  • the first and second textile layers are contacted in the vicinity of the contact areas.
  • the two textile layers are sewn together or provided with a plurality of basting stitches, or else glued together by means of an electrically conductive adhesive.
  • the textile integration allows to provide comfort, as it is known by tight fitting sportswear.
  • even a complex multichannel stimulation technique can be fully integrated into textile, which is easy to use by putting on a garment over the body part to be stimulated.
  • all otherwise loose cabling of the electrode surfaces are integrated and thus of aesthetic as well as practical use. This also offers a safety-related and also a reliability-relevant advantage.
  • the electrode group consisting of at least two electrode surfaces can be generated activation areas with different current densities.
  • the activation areas are locations on the electrode group where a cathode is formed, that is, a region of negative current density.
  • On the electrode group can also be anodes (areas with positive current density) form, which are necessary for the current feedback and thus to close the circuit. Nerves or muscles are depolarized beneath the electrodes attached to the surface of the skin, which leads to the development of action potentials.
  • the electrode group consists of a plurality of electrode surfaces which are individually supplied with current pulses, it is optionally possible to generate a single or a plurality of activation regions in an electrode group.
  • the electrode size corresponds to the activation region, as can be produced with the textile electrode device presented here.
  • the electrode size can be varied in that an activation region is formed from a plurality of adjacent electrode surfaces with the same or different current densities of the same polarity.
  • edge effects JP Reilly, H. Antoni, MA Chilbert, and JD Sweeney, Applied bioelectricity from electrical stimulation to electropathology York, etc .: Springer, 1998.
  • the edge effects can produce increased sensations up to pain or, in extreme cases, also lead to skin irritations or burns.
  • These edge effects can be reduced by reducing the current density of the edge elements of the activation region.
  • Electromyograms ECG
  • ECG electrocardiograms
  • SSEP somatosensory evoked potentials

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

L'invention concerne un dispositif textile à électrodes, en particulier pour l'électrostimulation ou des mesures électrophysiologiques, qui présente une première couche textile (4) qui peut être étendue sur la surface du corps d'un individu qui porte le dispositif et qui est dotée d'un groupe d'électrodes (6) brodées sur son côté tourné vers le corps. Chaque électrode brodée est formée d'un fil électriquement conducteur et est reliée à une amenée électrique (10) associée. Les amenées sont configurées comme pistes conductrices brodées sur une deuxième couche textile (14) disposée sur le côté non tourné vers le corps de la première couche textile, chaque électrode brodée étant en contact de surface dans une zone de contact (16) avec la piste conductrice qui lui est associée.
EP07785104A 2006-08-25 2007-08-21 Dispositif textile a electrodes, en particulier pour l'electrostimulation multicanal ou des mesures electrophysiologiques, et procede pour sa fabrication Withdrawn EP2053965A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH13622006 2006-08-25
PCT/CH2007/000409 WO2008022482A1 (fr) 2006-08-25 2007-08-21 dispositif textile à électrodeS, en particulier pour l'électrostimulation multicanaL ou des mesures électrophysiologiques, et procédé pour sa fabrication

Publications (1)

Publication Number Publication Date
EP2053965A1 true EP2053965A1 (fr) 2009-05-06

Family

ID=38582087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07785104A Withdrawn EP2053965A1 (fr) 2006-08-25 2007-08-21 Dispositif textile a electrodes, en particulier pour l'electrostimulation multicanal ou des mesures electrophysiologiques, et procede pour sa fabrication

Country Status (2)

Country Link
EP (1) EP2053965A1 (fr)
WO (1) WO2008022482A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2407096A1 (fr) * 2010-07-13 2012-01-18 CECOTEPE asbl Électrode textile
BR112013000895A2 (pt) 2010-07-16 2016-05-17 Swisstom Ag sensor de eletrodo para tomografia de impedância elétrica, método de fabricação de um sensor de eletrodo para tomografia de impedância elétrica, e, uso do sensor de eletrodo
AT513319B1 (de) * 2012-08-24 2017-03-15 Universität Innsbruck Elektrode für elektrochemische Zelle
ES1149359Y (es) * 2015-12-31 2016-04-13 Trueba Enrique Garcia Dispositivo para el control, supervision y buena praxis de la actividad fisica del ser humano
DE202016102182U1 (de) 2016-04-25 2017-07-26 Saalmann Medical Gmbh & Co. Kg Elektrodenmaske
DE102016118001A1 (de) * 2016-05-25 2017-11-30 Teiimo Gmbh Textilprodukt mit dehnbarer Elektrode und/oder außenseitiger Kontaktierung der Elektrode oder eines anderen Sensors, und Verfahren zu seiner Herstellung
WO2020127934A1 (fr) * 2018-12-21 2020-06-25 Otto Bock Healthcare Products Gmbh Électrode textile
DE102018133335A1 (de) * 2018-12-21 2020-06-25 Otto Bock Healthcare Products Gmbh Textilelektrode
US20200281496A1 (en) * 2019-03-06 2020-09-10 General Electric Company Sensor assembly for patient monitoring systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5530900A (en) * 1999-07-01 2001-01-22 N.V. Bekaert S.A. Garment comprising electrode
GB0311320D0 (en) * 2003-05-19 2003-06-25 Univ Manchester Knitted transducer devices
DE102004030261A1 (de) * 2004-06-23 2006-01-19 Deutsche Institute für Textil- und Faserforschung (DITF) Kleidungsstück mit integrierter Sensorik
EP1819273A1 (fr) * 2004-12-09 2007-08-22 Bischoff Textil AG Dispositif textile destine a des mesures electrophysiologiques ou a l'electrostimulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008022482A1 *

Also Published As

Publication number Publication date
WO2008022482A1 (fr) 2008-02-28

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