WO2006007829A1 - Ligne de raccordement electrique pour elements implantes et procede de fabrication associe - Google Patents

Ligne de raccordement electrique pour elements implantes et procede de fabrication associe Download PDF

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Publication number
WO2006007829A1
WO2006007829A1 PCT/DE2005/001269 DE2005001269W WO2006007829A1 WO 2006007829 A1 WO2006007829 A1 WO 2006007829A1 DE 2005001269 W DE2005001269 W DE 2005001269W WO 2006007829 A1 WO2006007829 A1 WO 2006007829A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical
electrical conductors
ribbon cable
connection line
electrical connection
Prior art date
Application number
PCT/DE2005/001269
Other languages
German (de)
English (en)
Inventor
Klaus Peter Koch
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of WO2006007829A1 publication Critical patent/WO2006007829A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • 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
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode

Definitions

  • the present invention relates to an electrical connection line which is composed of one or more electrical conductors embedded in an elastic, electrically insulating material and is designed as a ribbon cable.
  • the invention also relates to a method for producing an electrical connection line.
  • nerve leads are required, in particular for the electrical connection of nerve electrodes with a stimulator. These nerve leads should have sufficiently flexible properties to be able to compensate for the movements of the surrounding tissue.
  • ribbon cables are used for the electrical connection of nerve electrodes, which are formed of an elastic polymer material with electrical conductors embedded therein.
  • Such ribbon cables as they are known, for example, from DE 100 28 522 A1, although allow sufficient bending movements over the cable surface, However, extensions and longitudinal bends allow only limited.
  • Metal lines are known, which are encapsulated in a polymer. Although these pacemaker cables have good flexibility in the longitudinal direction, but the parallel use of a higher number of electrical conductors or wires are not suitable.
  • the object of the present invention is to provide an electrical connection line and a method for its production, which has sufficient flexibility in the longitudinal direction and also allows the use of a larger number of electrical conductors in the connecting line.
  • the present electrical connection line in particular for implanted components, is composed of one or more electrical conductors embedded in an elastic, electrically insulating material and is designed as a ribbon cable.
  • this is elastic, electrical insulating material is a polymer, in particular a thermoplastic.
  • the design as a ribbon cable allows above all the embedding of many individual electrical conductors side by side, thereby. To obtain a large number of connection channels with only one connecting line .zu.
  • the ribbon cable has, at least in sections, an outer shape which is corrugated in the unloaded state, the embedded electrical conductors following the waveform. Under the unloaded state is to be understood here that the ribbon cable is already made wave-shaped, ie occupies the waveform without the action of external forces.
  • electrical connection line can be compared to a conventional ribbon cable higher mobility or flexibility of the line in all directions reach. Since no cable loops need to be placed artificially during implantation, the present electrical connection line can be implanted very easily.
  • the waveform of the connecting line is changed without stretching the Kirs ⁇ material and embedded therein electrical conductors themselves. Through this waveform, a line reserve is created, which is automatically present when loosely laying the line. This facilitates implantation, especially in poorly accessible implantation sites.
  • the waveform also allows an independent return to the original form.
  • the present electrical connection line can also be very easily produced by annealing or gluing.
  • a prefabricated ribbon cable made of a thermoplastic can then be tempered using a suitable Temperform in ⁇ the waveform.
  • a polymer film with this waveform can also be produced, for example, by way of an annealing process with a corresponding tempering mold.
  • the electrical conductors are in the middle, ie in the neutral position, so that they are only slightly loaded when the waves are deformed .
  • the electrical conductors are brought between two preferably flat polymer films. The polymer films are glued together, whereby the curing of the adhesive used takes place in a form with wavy shaping surfaces, in which the polymer films are fitted with the intervening electrical conductors before the curing of the adhesive.
  • FIG. 2 shows a second example of an embodiment of the electrical connection line
  • Fig. 6 shows a third example of the production of the electrical connection line.
  • an electrical connection line 1 according to the present invention is shown schematically.
  • the electrical connection line 1 in this case establishes the electrical connection between two implants 2, 3.
  • the connecting line 1 consists of a polymer material in which two metallic conductors 13 are embedded in the present example, which are dashed in the figure are indicated.
  • the connecting line 1 is designed as a ribbon cable with a waveform, as can be seen in the figure. The waves are formed perpendicular to the plane in which the flat ribbon has its greatest width.
  • the mobility of Bors ⁇ line 1 in the transverse direction 4 and 5 increases longitudinal direction without having to stretch the line.
  • the waveform of the line is changed first.
  • Fig. 2 shows a second example of a possible embodiment of an electrical connection line according to the present invention.
  • the connecting line 1 has in this example only in one
  • the longitudinal expansion 5 is also indicated in the figure.
  • FIG. 3 shows in longitudinal section a further exemplary embodiment, in which the electrical line 1 has an integrated functional element.
  • a cuff-shaped electrode 11 is formed by one end of the lead, which lays around the nerve 12. Between this cuff and the other end of the line, the wave-shaped portion is formed.
  • the electrical fonds ⁇ line is composed of two polymer layers 7, 8 together, between which one or more electrical conductors 9 are embedded.
  • Conductor tracks .ist the lower polymer layer 8 at one end open at the bottom, so that there elek ⁇ cal contact surfaces 10 arise. This takes place in the same way on the side of the sleeve, on which individual electrical contact surfaces as electrodes 11 for contacting the nerve 12 are also exposed by partially opening the lower polymer film 8.
  • Fig. 4 shows an example of the production of an electrical connection line according to the present invention.
  • a rectilinear ribbon cable Ia with printed conductors embedded in it is brought into an annealing mold 14 and annealed in this form.
  • the tempering mold 14 has for this purpose the corresponding waveform.
  • the straight line ribbon used Ia is formed from a thermoplastic.
  • FIG. 1 An alternate fabrication technique is shown in FIG.
  • two stable polymer films 7, 8 are provided which have been formed into the appropriate waveform. This can be done by an annealing process, as has already been explained in connection with FIG. 4. Subsequently, one or more linear metallic conductors or a thin ribbon cable Ia with or several of these conductors between the two Polymer ⁇ films 7, 8 introduced and glued to these. Due to the higher stability of the two polymer films 7, 8, the selected electrical connection line 1 is formed in this way.
  • the electrical conductors 13 are introduced together with an adhesive 16 between two planar polymer films 7, 8.
  • the introduction of the adhesive 16 may also be carried out before or after the insertion of the electrical conductors 13.
  • the polymer films 7, 8 are then brought together and, for curing the adhesive 16, fitted in a form 16 with wave-shaped forming surfaces. In this form, the curing of the adhesive takes place 18, which can also be supported for example by temperature or UV exposure. After the curing process, the resulting wave-shaped connecting line 1 is removed from the mold 16.

Abstract

L'invention concerne une ligne de raccordement électrique, notamment pour des éléments implantés (2,3), ainsi qu'un procédé de fabrication associé. Cette ligne de raccordement électrique est composée d'un ou de plusieurs conducteurs (9, 13) électriques noyés dans une matière électriquement isolante et élastique et elle est conçue comme un conducteur plat. L'intention est caractérisée en ce que ce conducteur plat a au moins partiellement une forme externe ondulée à l'état non chargé, les conducteurs (9,13) électriques noyés suivant cette forme ondulée. La ligne de raccordement électrique de la présente invention est de fabrication aisée, elle permet une mobilité omnidirectionnelle et elle est facile à implanter.
PCT/DE2005/001269 2004-07-20 2005-07-19 Ligne de raccordement electrique pour elements implantes et procede de fabrication associe WO2006007829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410035002 DE102004035002A1 (de) 2004-07-20 2004-07-20 Elektrische Verbindungsleitung für implantierte Komponenten sowie Verfahren zur Herstellung
DE102004035002.7 2004-07-20

Publications (1)

Publication Number Publication Date
WO2006007829A1 true WO2006007829A1 (fr) 2006-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2005/001269 WO2006007829A1 (fr) 2004-07-20 2005-07-19 Ligne de raccordement electrique pour elements implantes et procede de fabrication associe

Country Status (2)

Country Link
DE (1) DE102004035002A1 (fr)
WO (1) WO2006007829A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110709130A (zh) * 2017-06-09 2020-01-17 纽罗路普有限公司 电植入物与电输入和输出结构之间的可植入的电连接结构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080051861A1 (en) * 2006-04-28 2008-02-28 Cross Thomas E Implantable medical assemblies with improved flexibility, extensibility and positionability with branched structures
US20080046058A1 (en) * 2006-04-28 2008-02-21 Cross Thomas E Methods for customizing implantable medical lead assemblies with improved flexibility and extensibility
US20080039917A1 (en) * 2006-04-28 2008-02-14 Cross Thomas E Implantable medical leads and lead assemblies with improved flexibility and extensibility to facilitate body movements
US7996090B2 (en) 2007-04-30 2011-08-09 Medtronic, Inc. Methods of making implantable medical leads with a non-linear shape

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2142280A1 (de) * 1971-08-24 1973-03-08 Messerschmitt Boelkow Blohm Leitung zum transport von elektrischen signalen
GB1397534A (en) * 1971-03-17 1975-06-11 Delta Enfield Cables Ltd Insulated electric cables
US4230898A (en) * 1977-10-19 1980-10-28 Emmel Leroy L Elongated filament lattice structure
FR2670116A1 (fr) * 1990-12-06 1992-06-12 Ethnor Electrode, notamment electrode temporaire pour le cóoeur.
DE10028522A1 (de) * 2000-06-08 2001-12-20 Fraunhofer Ges Forschung Biodegradable Neuroelektrode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0928212B1 (fr) * 1994-07-13 2002-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Plaquette artificielle souple de remplacement de nerfs
SE9403279D0 (sv) * 1994-09-29 1994-09-29 Siemens Elema Ab Elektrodanordning
DE10103367C2 (de) * 2000-11-20 2002-10-24 Reifenhaeuser Masch Verfahren zum Herstellen von Flachbandkabeln

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1397534A (en) * 1971-03-17 1975-06-11 Delta Enfield Cables Ltd Insulated electric cables
DE2142280A1 (de) * 1971-08-24 1973-03-08 Messerschmitt Boelkow Blohm Leitung zum transport von elektrischen signalen
US4230898A (en) * 1977-10-19 1980-10-28 Emmel Leroy L Elongated filament lattice structure
FR2670116A1 (fr) * 1990-12-06 1992-06-12 Ethnor Electrode, notamment electrode temporaire pour le cóoeur.
DE10028522A1 (de) * 2000-06-08 2001-12-20 Fraunhofer Ges Forschung Biodegradable Neuroelektrode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110709130A (zh) * 2017-06-09 2020-01-17 纽罗路普有限公司 电植入物与电输入和输出结构之间的可植入的电连接结构
CN110709130B (zh) * 2017-06-09 2023-11-17 纽罗路普有限公司 电植入物与电输入和输出结构之间的可植入的电连接结构

Also Published As

Publication number Publication date
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