EP1530493A1 - System for fixing a biomedical electrode - Google Patents

System for fixing a biomedical electrode

Info

Publication number
EP1530493A1
EP1530493A1 EP03737826A EP03737826A EP1530493A1 EP 1530493 A1 EP1530493 A1 EP 1530493A1 EP 03737826 A EP03737826 A EP 03737826A EP 03737826 A EP03737826 A EP 03737826A EP 1530493 A1 EP1530493 A1 EP 1530493A1
Authority
EP
European Patent Office
Prior art keywords
male element
electrode
side wall
angle formed
cable
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Withdrawn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
EP03737826A
Other languages
German (de)
French (fr)
Inventor
Pierre-Yves Muller
Eric Padoy
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.)
Compex Medical SA
Original Assignee
Compex Medical SA
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 Compex Medical SA filed Critical Compex Medical SA
Publication of EP1530493A1 publication Critical patent/EP1530493A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0472—Structure-related aspects
    • A61N1/048—Electrodes characterised by a specific connection between lead and electrode

Definitions

  • the present invention relates to a fixing system for a biomedical electrode. More precisely, it relates to a fixing system for a biomedical electrode comprising elastic snap-on fixing means.
  • the electrode consists of a flexible element of planar shape comprising an adhesive face, intended to ensure the fixing of the electrode to the skin of a person, and a face provided with a male conducting element.
  • Each electrode is associated with a cable provided at one of its ends with a female element intended to receive the aforementioned male element.
  • the present invention aims to improve the connection between the male element and the female element, this in particular in order to obtain better mechanical strength, better conduction between the electrode and the cable as well as to facilitate the positioning of the element.
  • female on the male element during their fixing aims to improve the connection between the male element and the female element, this in particular in order to obtain better mechanical strength, better conduction between the electrode and the cable as well as to facilitate the positioning of the element.
  • an assembly comprising a biomedical electrode, a cable and elastic snap fastening means intended for fixing said electrode to said cable, said fastening means comprising a male element and a female element, characterized in that the male element has an orifice and the female element has a protuberance, the latter being shaped to be housed in said orifice when the two elements are fixed.
  • the male element is disposed on the electrode while the female element is located on one end of the cable.
  • the fixing system is identical to those of the state of the art described above. It differs, however, in that the male element has an orifice on its upper face and in that the female element has in its cavity a protuberance intended to be housed in the orifice of the male element once the two elements are attached to each other.
  • a fixing system is preferably chosen, characterized in that the male element comprises a first portion of substantially frustoconical shape, located on the side of the female element, disposed on a second portion of substantially frustoconical shape, inverted relative to the first portion.
  • the angle formed by the side wall of the first portion is less than the angle formed by the side wall of the second portion.
  • the angle formed by the side wall of the first portion is between 5 ° and 15 ° and that the angle formed by the side wall of the second portion is between 30 ° and 50 ° .
  • a particularly advantageous configuration is obtained when the angle formed by the side wall of the first portion is substantially equal to 8 ° and when the angle formed by the side wall of the second portion is substantially equal to 40 °.
  • the invention also relates to an electrode as described above as well as a cable provided with a female plug as described above.
  • Figure 1 illustrates an assembly comprising an electrode, a cable and fixing means.
  • Figure 2 shows a section of the male element and the female element separated from each other.
  • Figure 3 shows a section of the male element and the female element fixed to each other.
  • a flexible electrode 1 of planar shape is provided on its upper face with a male element 3.
  • the latter (see also Figure 2) consists mainly of a first part 6 of form frustoconical and a second part 7 also frustoconical in shape but inverted relative to the first part.
  • An orifice 5 is arranged on the upper face of the male element.
  • the female element 4 comprises a cavity 8 intended to surround the male element 3.
  • the interior of the cavity 8 comprises a stud 9, preferably constructed of a conductive material.
  • the stud 9 is in close contact with the walls of the orifice 5 of the male element 3.
  • the angle a defined between the vertical and the side wall of the upper portion 6 of the male element 3 is less than the angle ⁇ defined between the vertical and the side wall of the lower portion of the male element 3.
  • the invention is not limited to a particular form of electrode.
  • the choice of materials and the geometry of the different elements is not limited to what has been described in the example discussed above.
  • the invention is also not limited to a particular field of use. Preferably, it targets the field of muscle electrostimulation but it can also find an application elsewhere, for example for the establishment of an electrocardiogram.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

The invention relates to an assembly comprising a biomedical electrode (1), a cable (2) and elastic snap-on fixing means (3, 4) which are intended to fix the electrode (1) to the cable (2). The aforementioned fixing means (3, 4) comprise a male element (3) and a female element (4). The invention is characterised in that the male element (3) comprises a hole (5) and in that the female element (4) comprises a projection (9) which is shaped such that it can be housed in said hole (5).

Description

Système de fixation pour électrode biomédicale Fixing system for biomedical electrode
La présente invention se rapporte à un système de fixation pour électrode biomédicale. Elle concerne plus précisément un système de fixation pour électrode biomédicale comprenant des moyens de fixation élastiques à encliquetage.The present invention relates to a fixing system for a biomedical electrode. More precisely, it relates to a fixing system for a biomedical electrode comprising elastic snap-on fixing means.
Les documents brevets US 3,882,853; US 4,660,562; CH 668 690; US 6,276,054; FR 1.314.201 et WO 01/17423 décrivent des systèmes de fixation pour électrode à usage unique. Le plus souvent, l'électrode est constituée d'un élément flexible de forme plane comportant une face adhesive, destinée à assurer la fixation de l'électrode sur la peau d'une personne, et une face munie d'un élément conducteur mâle. Chaque électrode est associée à un câble muni à l'une de ses extrémités d'un élément femelle destiné à recevoir l'élément mâle précité.US patent documents 3,882,853; US 4,660,562; CH 668 690; US 6,276,054; FR 1.314.201 and WO 01/17423 describe fixing systems for disposable electrodes. Most often, the electrode consists of a flexible element of planar shape comprising an adhesive face, intended to ensure the fixing of the electrode to the skin of a person, and a face provided with a male conducting element. Each electrode is associated with a cable provided at one of its ends with a female element intended to receive the aforementioned male element.
La présente invention vise à améliorer la connexion entre l'élément mâle et l'élément femelle, ceci notamment afin d'obtenir une meilleure tenue mécanique, une meilleure conduction entre l'électrode et le câble ainsi que pour faciliter le positionnement de l'élément femelle sur l'élément mâle lors de leur fixation.The present invention aims to improve the connection between the male element and the female element, this in particular in order to obtain better mechanical strength, better conduction between the electrode and the cable as well as to facilitate the positioning of the element. female on the male element during their fixing.
Elle concerne un ensemble comprenant une électrode biomédicale, un câble et des moyens de fixation élastiques à encliquetage destinés à fixer ladite électrode au dit câble, lesdits moyens de fixation comprenant un élément mâle et un élément femelle, caractérisé par le fait que l'élément mâle comporte un orifice et que l'élément femelle comporte une protubérance, cette dernière étant conformée pour se loger dans ledit orifice lors de la fixation des deux éléments.It relates to an assembly comprising a biomedical electrode, a cable and elastic snap fastening means intended for fixing said electrode to said cable, said fastening means comprising a male element and a female element, characterized in that the male element has an orifice and the female element has a protuberance, the latter being shaped to be housed in said orifice when the two elements are fixed.
Selon un mode préférentiel de réalisation de l'invention, l'élément mâle est disposé sur l'électrode alors que l'élément femelle se situe sur une extrémité du câble. Selon une variante, le système de fixation est identique à ceux de l'état de la technique décrits plus haut. Il diffère cependant en ce que l'élément mâle comporte sur sa face supérieure un orifice et en ce que l'élément femelle comporte dans sa cavité une protubérance destinée à être logée dans l'orifice de l'élément mâle une fois que les deux éléments sont fixés l'un à l'autre.According to a preferred embodiment of the invention, the male element is disposed on the electrode while the female element is located on one end of the cable. According to a variant, the fixing system is identical to those of the state of the art described above. It differs, however, in that the male element has an orifice on its upper face and in that the female element has in its cavity a protuberance intended to be housed in the orifice of the male element once the two elements are attached to each other.
Afin de faciliter la fixation des deux éléments, mais également afin de les maintenir en place une fois fixés, on choisit de préférence un système de fixation caractérisé par le fait que l'élément mâle comprend une première portion de forme sensiblement tronconique, située du côté de l'élément femelle, disposée sur une deuxième portion de forme sensiblement tronconique, inversée par rapport à la première portion. Par rapport à l'axe vertical principal de l'élément mâle, l'angle formé par la paroi latérale de la première portion est inférieur à l'angle formé par la paroi latérale de la deuxième portion.In order to facilitate the fixing of the two elements, but also in order to keep them in place once fixed, a fixing system is preferably chosen, characterized in that the male element comprises a first portion of substantially frustoconical shape, located on the side of the female element, disposed on a second portion of substantially frustoconical shape, inverted relative to the first portion. With respect to the main vertical axis of the male element, the angle formed by the side wall of the first portion is less than the angle formed by the side wall of the second portion.
Selon une variante de l'invention, l'angle formé par la paroi latérale de la première portion se situe entre 5° et 15° et que l'angle formé par la paroi latérale de la deuxième portion se situe entre 30° et 50°.According to a variant of the invention, the angle formed by the side wall of the first portion is between 5 ° and 15 ° and that the angle formed by the side wall of the second portion is between 30 ° and 50 ° .
Une configuration particulièrement avantageuse est obtenue lorsque l'angle formé par la paroi latérale de la première portion est sensiblement égal à 8° et lorsque l'angle formé par la paroi latérale de la deuxième portion est sensiblement égal à 40°.A particularly advantageous configuration is obtained when the angle formed by the side wall of the first portion is substantially equal to 8 ° and when the angle formed by the side wall of the second portion is substantially equal to 40 °.
L'invention concerne également une électrode telle que décrite précédemment ainsi qu'un câble muni d'une fiche femelle telle que décrite précédemment.The invention also relates to an electrode as described above as well as a cable provided with a female plug as described above.
Un mode de réalisation de l'invention est décrit de manière détaillée ci-après aux moyen des figures suivantes :An embodiment of the invention is described in detail below by means of the following figures:
La figure 1 illustre un ensemble comprenant une électrode, un câble et des moyens de fixation.Figure 1 illustrates an assembly comprising an electrode, a cable and fixing means.
La figure 2 montre une coupe de l'élément mâle et de l'élément femelle séparés l'un de l'autre. La figure 3 montre une coupe de l'élément mâle et de l'élément femelle fixés l'un à l'autre.Figure 2 shows a section of the male element and the female element separated from each other. Figure 3 shows a section of the male element and the female element fixed to each other.
Comme on peut le constater sur la figure 1 , une électrode 1 flexible de forme plane est munie sur sa face supérieure d'un élément mâle 3. Ce dernier (voir également la figure 2) est constitué principalement d'une première partie 6 de forme tronconique et d'une deuxième partie 7 de forme également tronconique mais renversée par rapport à la première partie. Un orifice 5 est disposée sur la face supérieure de l'élément mâle.As can be seen in Figure 1, a flexible electrode 1 of planar shape is provided on its upper face with a male element 3. The latter (see also Figure 2) consists mainly of a first part 6 of form frustoconical and a second part 7 also frustoconical in shape but inverted relative to the first part. An orifice 5 is arranged on the upper face of the male element.
L'élément femelle 4 comporte une cavité 8 destinée à entourer l'élément mâle 3.The female element 4 comprises a cavity 8 intended to surround the male element 3.
L'intérieur de la cavité 8 comprend un goujon 9, de préférence construit en un matériau conducteur.The interior of the cavity 8 comprises a stud 9, preferably constructed of a conductive material.
Une fois les deux éléments fixés (voir figure 3), le goujon 9 est en contact étroit avec les parois de l'orifice 5 de l'élément mâle 3.Once the two elements have been fixed (see FIG. 3), the stud 9 is in close contact with the walls of the orifice 5 of the male element 3.
Comme on peut le constater sur la figure 2, l'angle a défini entre la verticale et la paroi latérale de la portion supérieure 6 de l'élément mâle 3 est inférieur à l'angle β défini entre la verticale et la paroi latérale de la portion inférieure de l'élément mâle 3.As can be seen in FIG. 2, the angle a defined between the vertical and the side wall of the upper portion 6 of the male element 3 is less than the angle β defined between the vertical and the side wall of the lower portion of the male element 3.
On a constaté qu'un angle a sensiblement égal à 8° et un angle β sensiblement égal à 40° constituait un bon compromis pour assurer simultanément une fixation aisée et une force de retenue efficace.It has been found that an angle a substantially equal to 8 ° and an angle β substantially equal to 40 ° constituted a good compromise for simultaneously ensuring easy fixing and an effective retaining force.
Il va sans dire que l'invention ne se limite pas à une forme d'électrode particulière. De même, le choix des matériaux et la géométrie des différents éléments n'est- elle pas limitée à ce qui a été décrit dans l'exemple discuté précédemment. L'invention n'est en outre pas limitée à un domaine d'utilisation particulier. De préférence, elle vise le domaine de l'électro-stimulation musculaire mais elle peut également trouver une application ailleurs, par exemple pour l'établissement d'un électrocardiogramme. It goes without saying that the invention is not limited to a particular form of electrode. Similarly, the choice of materials and the geometry of the different elements is not limited to what has been described in the example discussed above. The invention is also not limited to a particular field of use. Preferably, it targets the field of muscle electrostimulation but it can also find an application elsewhere, for example for the establishment of an electrocardiogram.

Claims

Revendications claims
1. Ensemble comprenant une électrode biomédicale (1), un câble (2) et des moyens de fixation élastiques à encliquetage (3,4) destinés à fixer ladite électrode (1 ) au dit câble (2), lesdits moyens de fixation (3,4) comprenant un élément mâle (3) et un élément femelle (4), caractérisé par le fait que l'élément mâle (3) comporte un orifice (5) et que l'élément femelle (4) comporte une protubérance (9), cette dernière étant conformée pour se loger dans ledit orifice (5).1. An assembly comprising a biomedical electrode (1), a cable (2) and elastic snap fastening means (3,4) intended to fix said electrode (1) to said cable (2), said fastening means (3 , 4) comprising a male element (3) and a female element (4), characterized in that the male element (3) has an orifice (5) and that the female element (4) has a protuberance (9 ), the latter being shaped to be housed in said orifice (5).
2. Ensemble selon la revendication précédente caractérisé par le fait que l'élément mâle (3) est fixé à l'électrode (1 ) et que l'élément femelle (4) est fixé au câble (2).2. Assembly according to the preceding claim, characterized in that the male element (3) is fixed to the electrode (1) and that the female element (4) is fixed to the cable (2).
3. Ensemble selon la revendication 1 ou 2 caractérisé par le fait que l'élément mâle (3) comprend une première portion (6) de forme sensiblement tronconique, située du côté de l'élément femelle (4), disposée sur une deuxième portion (7) de forme sensiblement tronconique, inversée par rapport à la première portion (6).3. An assembly according to claim 1 or 2 characterized in that the male element (3) comprises a first portion (6) of substantially frustoconical shape, located on the side of the female element (4), disposed on a second portion (7) of substantially frustoconical shape, inverted with respect to the first portion (6).
4. Ensemble selon la revendication 3 caractérisé par le fait que par rapport à l'axe vertical principal de l'élément mâle (3), l'angle formé par la paroi latérale de la première portion (6) est inférieur à l'angle formé par la paroi latérale de la deuxième portion (7).4. The assembly of claim 3 characterized in that relative to the main vertical axis of the male element (3), the angle formed by the side wall of the first portion (6) is less than the angle formed by the side wall of the second portion (7).
5. Ensemble selon la revendication 4 caractérisé par le fait que l'angle formé par la paroi latérale de la première portion (6) se situe entre 5° et 15° et que l'angle formé par la paroi latérale de la deuxième portion (7) se situe entre 30° et 50°.5. An assembly according to claim 4 characterized in that the angle formed by the side wall of the first portion (6) is between 5 ° and 15 ° and that the angle formed by the side wall of the second portion ( 7) is between 30 ° and 50 °.
6. Ensemble selon la revendication 5 caractérisé par le fait que l'angle formé par la paroi latérale de la première portion (6) est sensiblement égal à 8° et que l'angle formé par la paroi latérale de la deuxième portion (7) est sensiblement égal à 40°.6. An assembly according to claim 5 characterized in that the angle formed by the side wall of the first portion (6) is substantially equal to 8 ° and that the angle formed by the side wall of the second portion (7) is substantially equal to 40 °.
7. Electrode biomédicale (1) comprenant un élément mâle (3) selon l'une quelconque des revendications précédentes.7. Biomedical electrode (1) comprising a male element (3) according to any one of the preceding claims.
Câble (2) comprenant un élément femelle (4) selon l'une quelconque des revendications 1 à 6. Cable (2) comprising a female element (4) according to any one of claims 1 to 6.
EP03737826A 2002-08-22 2003-07-22 System for fixing a biomedical electrode Withdrawn EP1530493A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH144002 2002-08-22
CH01440/02A CH695541A5 (en) 2002-08-22 2002-08-22 Mounting Kit biomedical electrode.
PCT/CH2003/000493 WO2004018038A1 (en) 2002-08-22 2003-07-22 System for fixing a biomedical electrode

Publications (1)

Publication Number Publication Date
EP1530493A1 true EP1530493A1 (en) 2005-05-18

Family

ID=31892695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737826A Withdrawn EP1530493A1 (en) 2002-08-22 2003-07-22 System for fixing a biomedical electrode

Country Status (6)

Country Link
US (1) US20060167354A1 (en)
EP (1) EP1530493A1 (en)
JP (1) JP2005536254A (en)
AU (1) AU2003245799A1 (en)
CH (1) CH695541A5 (en)
WO (1) WO2004018038A1 (en)

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US9333345B2 (en) 2013-10-03 2016-05-10 Ensilver Canada Electrical stimulation for a functional electrical stimulation system
US9364657B2 (en) 2014-10-31 2016-06-14 Ensilver Canada Cuff unit for a functional electrical stimulation system
US9375570B2 (en) 2013-10-03 2016-06-28 Ensilver Canada Sensor unit for a functional electrical stimulation (FES) orthotic system
US9375569B2 (en) 2013-10-03 2016-06-28 Ensilver Canada Controller unit for a functional electrical stimulation (FES) orthotic system

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US9333345B2 (en) 2013-10-03 2016-05-10 Ensilver Canada Electrical stimulation for a functional electrical stimulation system
US9375570B2 (en) 2013-10-03 2016-06-28 Ensilver Canada Sensor unit for a functional electrical stimulation (FES) orthotic system
US9375569B2 (en) 2013-10-03 2016-06-28 Ensilver Canada Controller unit for a functional electrical stimulation (FES) orthotic system
US9364657B2 (en) 2014-10-31 2016-06-14 Ensilver Canada Cuff unit for a functional electrical stimulation system

Also Published As

Publication number Publication date
AU2003245799A1 (en) 2004-03-11
CH695541A5 (en) 2006-06-30
JP2005536254A (en) 2005-12-02
WO2004018038A1 (en) 2004-03-04
US20060167354A1 (en) 2006-07-27

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