WO2009049873A1 - Ensemble bobine destiné à produire des champs électromagnétiques thérapeutiques - Google Patents

Ensemble bobine destiné à produire des champs électromagnétiques thérapeutiques Download PDF

Info

Publication number
WO2009049873A1
WO2009049873A1 PCT/EP2008/008723 EP2008008723W WO2009049873A1 WO 2009049873 A1 WO2009049873 A1 WO 2009049873A1 EP 2008008723 W EP2008008723 W EP 2008008723W WO 2009049873 A1 WO2009049873 A1 WO 2009049873A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
coil arrangement
arrangement according
crossing
plastic material
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.)
Ceased
Application number
PCT/EP2008/008723
Other languages
German (de)
English (en)
Inventor
Werner Kraus
Stephanie Kraus
Heribert Stephan
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.)
Neue Magnetodyn GmbH
Original Assignee
Neue Magnetodyn GmbH
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 Neue Magnetodyn GmbH filed Critical Neue Magnetodyn GmbH
Publication of WO2009049873A1 publication Critical patent/WO2009049873A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils

Definitions

  • the invention relates to a coil arrangement for generating therapeutic electromagnetic fields.
  • the magnetic field treatment of extensive wounds of the soft tissue, the musculature and the skin can often accelerate the healing process considerably.
  • diseases which are resistant to therapy with respect to antibiotic treatment the latter being caused for example by MRSA (methicillin-resistant Staphylococcus aureus), and other germs such as enterococci or pseudomonads.
  • MRSA methicillin-resistant Staphylococcus aureus
  • the invention is therefore an object of the invention to provide a coil assembly which is convenient and flexible in practice.
  • the invention consists of a coil arrangement for generating localized electromagnetic fields, having a coil winding having an intersection point, which defines two surfaces by an eight-shaped configuration, the surfaces being aligned with each other such that the surfaces generated by a current flow in the coil arrangement penetrating magnetic fields substantially are rectified.
  • the coil arrangement is flexible, so that the surfaces can be arranged on opposite sides of a body region to be exposed to a magnetic field. Due to their flexible winding, which can be effected in particular by an elasticity of the materials involved, the transformation in the sense of a figure of eight or infinity is possible. The "loops" of the coil resulting from this deformation of the coil winding can be applied, for example, on both sides of a limb. You can have the same or different sizes depending on the application. Due to its flexibility, the coil arrangement can be used in a very versatile manner, in particular in the case of all illnesses mentioned in the introduction.
  • the coil arrangement can be applied by the loops, similar to a pulled down swimming goggles, are arranged on both sides of the upper and / or lower jaw.
  • Metallic dental implants can then interact in a useful manner with the magnetic field, in particular also transmitter coils or secondary coils, in which an electrical voltage is induced by the coil arrangement according to the invention acting as a primary coil.
  • This electrical voltage can bring with suitable contacting against each other electrically insulated dental implant areas as tissue electrodes to the effect, so that in addition to the direct effect of the magnetic field and therapeutically useful electrical Fields are available.
  • fastening means cooperating at two positions of the coil arrangement facing away from the intersection point, by means of which the alignment of the surfaces to one another to be created and maintained.
  • the fastening means can be realized for example by means of straps, snaps, Velcro fasteners, buckles and the like.
  • the point of intersection of the coil arrangement can be fixed by a coupling device.
  • a coupling device can be realized, for example, by means of an elastic or flexible band with Velcro fastener or belt buckle.
  • the position of the crossing point and thus the dimensions of the surfaces are variable.
  • the magnetic induction flux density which is defined as the quotient of the magnetic flux and the surface considered, adjustable.
  • the ratio of the induction flux densities is the reciprocal of the ratio the respectively associated surfaces.
  • the area ratio of the two loops can be selected according to the therapeutic requirements, by allowing a variable fixation of the crossing point by variable arrangement of the coupling device. For example, in a target region of the body, a high magnetic induction flux density can be obtained by bringing a small-area coil loop close to it while, with respect to the other large-area coil surface for providing the Helmholtz coil effect, mainly due to its parallel arrangement with the smaller area pay attention.
  • the coil arrangement is developed such that it has plastic properties. Due to the flexibility of the coil, an adaptation to the body region to be treated is made possible, while the plasticity keeps the coil arrangement in the molded-on position.
  • the plastic properties can thus support other fastening devices, such as buckles or clamps, or even provide for the maintenance of the coil in the desired shape.
  • the plastic properties are mediated by at least one plastic material component which surrounds and / or is embedded by at least one non-plastic material component.
  • the coil can therefore be made on the one hand from a flexible material, without it being important if this has plastic properties.
  • the plastic properties of the coil are then replaced by a plastic material. rialkomponente mediates, so that the coil remains entirely in the created by the deformation position.
  • the at least one plastic material component is formed by at least one vein of plastic material extending substantially parallel to the coil windings.
  • One or more such wires are wholly or partially parallel to the windings of the coil.
  • a coil constructed in this manner is particularly easy to manufacture.
  • the coil assembly comprises a coil winding having n crossing points defining n + 1 faces, wherein adjacent faces may include different angles due to flexibility of the coil assembly, and at an included angle of 180 degrees the magnetic field passing through adjacent faces have opposite directions and at an included angle of 0 degrees, the adjacent one
  • the coil arrangement used in connection with the system according to the invention is thus not limited to being used in an eight-shaped configuration in which a crossing point and two surfaces are present; rather, more complicated geometric structures can be realized, for example a flexible coil shaped in this way, which defines two crossing points and three magnetically relevant surfaces. If the points of intersection are designed such that they are caused by a warpage of the coil surface through 180 °, then the magnetic fields passing through the various surfaces have in each case the opposite orientation, this applies if, in addition to the connection fertil the flexible coil is made no other deformation. However, the coil can be shaped differently in a flexible manner, so that different surfaces can each be coupled in pairs in such a way that the magnetic fields passing therethrough are rectified.
  • the middle surface may be placed, for example, under the pelvis or on the abdomen or around the hip of a patient, while the side surfaces are flattened to match the central surface enclose an angle of about 180 ° or 90 ° and thereby be brought, for example, close to the pelvic bone of a patient.
  • the magnetic field lines which then pass through one of the lateral surfaces thus also run through the central area.
  • an angle ( ⁇ ) of crossing coil sections is adjustable.
  • the magnetic flux density in the vicinity of the crossing point of the coil winding is dependent on the direction of the coil currents, which flow through the winding sections of the junction.
  • the magnetic flux density can be increased from its value present at a blunt crossing angle to almost twice the value at acute angles, which can be achieved by transitioning to approximately parallel current flow in the winding sections of the intersection.
  • This possibility of locally increasing the flux density in the area of the winding junction is of considerable importance for, for example, the therapy of poorly healing surgical wounds of the skin and of the subcutaneous tissue after osteosynthesis in the case of at-risk patients, that is to say in particular Circulatory disordered patients, diabetics, smokers and patients with critical cortisol levels and others.
  • the adjustability of the angle can be realized in that crossing coil sections are guided by a coupling device with at least two relatively movable components, wherein the angle of the intersecting coil sections is adjustable by a relative movement of the components.
  • the two movable components can be realized, for example, as two circular disks with respective guidance for the intersecting coil sections. By rotating the circular disks relative to one another about their common axis, the angle between the coil sections, and thus the local magnetic flux density, also changes.
  • the magnetic field of the two opposing loops of the coil assembly by the spatial reversal of the current direction in one of the two loops, as in the arrangement of two separate coils according to Helmholtz, rectified, with a particularly good and flexible handling is made available.
  • Simple handling in the adaptation of the geometric shape of the coil arrangement to the position of the respective bone or soft tissue lesion is made possible.
  • the loop areas can be adapted to treatment areas such as the foot, knee lower leg, thigh, pelvis, spine, hand, forearm, upper arm, jaw and cranial region, by varying the loop sizes also with regard to the strength of the magnetic field.
  • Another property of the coil arrangement according to the invention is an increase in the flux density in the vicinity of the crossing point, so that a ne relatively strong magnetic field concentration on a small body area is made possible. In this way, highly localized diseases, such as abscesses and infections, can be effectively treated.
  • FIG. 1 shows a flexible coil arrangement
  • FIG. 2 shows a flexible coil arrangement according to the invention in a state outside its application
  • Figure 3 is a perspective view of a coil assembly according to the invention during its use
  • Figure 4 is a schematic representation for explaining the spatial orientation of a magnetic field generated by a coil arrangement according to the invention.
  • Figure 5 is a partial cutaway perspective view of a coil assembly with plastic properties
  • FIG. 6 shows a flexible coil arrangement according to the invention in a further state outside its application
  • FIG. 7 shows a flexible coil arrangement according to the invention in a further state outside its application
  • FIG. 8 shows components of a coupling device for adjusting a coil arrangement according to the invention
  • FIG. 9 shows a coupling device for adjusting a coil arrangement according to the invention.
  • FIG. 1 shows a flexible coil arrangement.
  • FIG. 2 shows a flexible coil arrangement according to the invention in a state outside its application.
  • FIG. 3 shows a perspective view of a coil arrangement according to the invention during its application.
  • FIG. 4 shows a schematic representation for explaining the spatial orientation of a magnetic field generated by a coil arrangement according to the invention. If one uses the flexibility of the coil arrangement 36 to bring them into an octagonal shape, two surfaces 40, 42 and a crossing point 38 are defined. The point of intersection 38 is fixed by a coupling device 60 and can preferably be displaced, so that the ratio of the surfaces 40, 42 is variable. For example, can serve as a coupling device 60, an elastic band with Velcro or belt buckle.
  • FIG. 4 also shows an AC generator 62 coupled to the coil arrangement, namely by the uniform magnetic field vector 44, 46, which penetrates both surfaces 40, 42.
  • the magnetic field penetrates the diseased body region essentially perpendicular to the longitudinal axis of the limb. It is also possible that the extremity penetrates the surfaces defined by the loops of the octahedral coil, so that then the magnetic field runs substantially parallel to the axis of the limb.
  • FIG. 5 shows a sectioned partial perspective view of a coil arrangement with plastic properties.
  • the electrically conductive coil winding 64 can be seen.
  • two cores 66 made of plastic material are provided parallel to the coil winding 64, which give the coil assembly 36 a total of plastic flexibility.
  • FIG. 6 shows an elastic coil arrangement according to the invention in a further state outside its application. Compared to the embodiment according to FIG. 2, the coil order shown here does not have a crossing point 38 and two magnetically active surfaces 40, 42, but two crossing points 38, 64 and three magnetically active surfaces 40, 42, 66.
  • the central area 42 is larger than the outer areas 40, 66, whereby the coil arrangement can be used such that, for example, the middle part of the coil arrangement which defines the area 42 which lies under the pelvis, or on the stomach, or the hip of a patient, while the outer loops of the coil assembly which define the smaller surfaces 40, 66 are aligned as needed, for example, in the area of the pelvic bone to form an angle of 180 ° and 90 ° with the large loop.
  • the outer surfaces 40, 66 into the region of the thighs in order to have a positive effect on fractures or necroses of the pelvic bones, the hip joints or the hip.
  • FIG. 6 shows a deformation of the coil arrangement 36 in which the magnetic fields 44, 46, 68 of adjacent surfaces 40, 42, 66 each have opposite directions.
  • the loop defining the surface 66 is arranged with renewed warping of the intersection point 64 in such a way that the adjacent surfaces 42, 66 penetrating magnetic fields are rectified.
  • the lateral surfaces 40, 66 are then moved in such a way that they define planes perpendicular to the plane of the paper, the field lines penetrating these magnetic fields can be coupled to each other, while in a design of the magnetic fields, as shown in FIG lateral surfaces penetrating magnetic fields with the central surface 42 penetrating magnetic field is expected.
  • FIG. 7 shows an elastic coil arrangement according to the invention in a further state outside its application.
  • the angle ⁇ with which the coil sections 74, 76 intersect, is sharper here than in the design according to FIG. 2.
  • the current vectors of the intersecting coil sections are nearly equal perpendicular to each other, while in the embodiment of Figure 7 in the crossing point not vertical power components are present and thus parallel
  • Vector components of the current are effective. This leads to an increase in the magnetic flux density at the point of intersection of the coil arrangement 36, so that a local increase in the magnetic flux density can be achieved.
  • the advantageous gain of the flux density can also at
  • Crossing points of more complex coil shapes can be realized, for example, in that of Figure 6.
  • FIG. 8 shows components of a coupling device for setting a coil arrangement according to the invention
  • FIG. 9 shows a coupling device for setting a coil arrangement according to the invention. It is illustrated in what way the variability of the angle by itself crossing coil sections 74, 76 can be achieved. In the present example, this is done by two components 70, 72, each leading a coil section 74, 76 in each case an elongated recess 78, 80. If these two components 70, 42 are rotatably connected relative to one another about their common axis 82, a change in the angle in the region of the crossing point can be achieved by such rotation, which is indicated by the arrows in FIG.
  • magnetic field / magnetic field vector / vector symbol 46 magnetic field / magnetic field vector / vector symbol

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)
  • Magnetic Treatment Devices (AREA)

Abstract

La présente invention concerne un ensemble bobine (36) destiné à produire des champs électromagnétiques localisés, comprenant un enroulement de bobine qui présente un point d'intersection (38) et définit deux surfaces (40, 42) grâce à une forme en huit, les surfaces (40, 42) étant orientées l'une vers l'autre de sorte que les champs magnétiques (44, 46) qui sont formés par un flux de courant dans l'ensemble bobine (36) et pénètrent à travers les surfaces, ont sensiblement la même direction.
PCT/EP2008/008723 2007-10-16 2008-10-15 Ensemble bobine destiné à produire des champs électromagnétiques thérapeutiques Ceased WO2009049873A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007049541.4 2007-10-16
DE102007049541 2007-10-16
DE102008021573A DE102008021573A1 (de) 2007-10-16 2008-04-30 Spulenanordnung zum Erzeugen therapeutischer elektromagnetischer Felder
DE102008021573.2 2008-04-30

Publications (1)

Publication Number Publication Date
WO2009049873A1 true WO2009049873A1 (fr) 2009-04-23

Family

ID=40459057

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/008723 Ceased WO2009049873A1 (fr) 2007-10-16 2008-10-15 Ensemble bobine destiné à produire des champs électromagnétiques thérapeutiques

Country Status (2)

Country Link
DE (1) DE102008021573A1 (fr)
WO (1) WO2009049873A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501265A (en) * 1982-12-23 1985-02-26 Electro-Biology, Inc. Applicator head for electromagnetic treatment of an afflicted body region
US20030050527A1 (en) * 2001-05-04 2003-03-13 Peter Fox Apparatus and methods for delivery of transcranial magnetic stimulation
WO2007130308A2 (fr) * 2006-05-05 2007-11-15 The Board Of Trustees Of The Leland Stanford Junior University Stimulation magnétique transcrânienne stéréotaxique profonde basée sur des trajectoires
WO2008042902A2 (fr) * 2006-10-02 2008-04-10 Emkinetics, Inc. Procédé et appareil de thérapie par induction magnétique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0414909D0 (en) * 2004-07-01 2004-08-04 Magstim The Company Ltd Magnetic stimulators and slimulating coils

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501265A (en) * 1982-12-23 1985-02-26 Electro-Biology, Inc. Applicator head for electromagnetic treatment of an afflicted body region
US20030050527A1 (en) * 2001-05-04 2003-03-13 Peter Fox Apparatus and methods for delivery of transcranial magnetic stimulation
WO2007130308A2 (fr) * 2006-05-05 2007-11-15 The Board Of Trustees Of The Leland Stanford Junior University Stimulation magnétique transcrânienne stéréotaxique profonde basée sur des trajectoires
WO2008042902A2 (fr) * 2006-10-02 2008-04-10 Emkinetics, Inc. Procédé et appareil de thérapie par induction magnétique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YUNOKUCHI K ET AL: "DEVELOPING A MORE FOCAL MAGNETIC STIMULATOR. ÖPART II: FABRICATING COILS AND MEASURING INDUCED CURRENT DISTRIBUTIONS", JOURNAL OF CLINICAL NEUROPHYSIOLOGY, RAVEN PRESS, NEW YORK, NY, US, vol. 8, no. 1, 1 January 1991 (1991-01-01), pages 112 - 120, XP000574197, ISSN: 0736-0258 *

Also Published As

Publication number Publication date
DE102008021573A1 (de) 2009-04-23

Similar Documents

Publication Publication Date Title
DE2314573C2 (de) Gerät zur Förderung von Heilungsprozessen
WO2009049874A1 (fr) Dispositif implantable, système destiné à produire des champs électromagnétiques localisés dans la zone d'un implant et ensemble bobine
EP2113284B1 (fr) Dispositif de stimulation d'un processus de guérison
EP3355987B1 (fr) Dispositif de stimulation magnétique
EP1711227B1 (fr) Dispositif de traitement au moyen de champs magnetiques
DE2748780C2 (de) Vorrichtung zum Behandeln von lebenden Geweben und/oder Zellen mittels Impulsen entgegengesetzter Polarität
CH633177A5 (de) Akupunkturgeraet.
EP0198958A1 (fr) Assemblage d'aimant permanent
DE2432493A1 (de) Solenoidspule fuer ein elektromagnetisches therapiegeraet
DE10238853A1 (de) Verfahren zur lokalen Erwärmung mit magnetischen Partikeln
DE102009023855A1 (de) Vorrichtung und Verfahren zur Nervenreizung mit Magnetfeldimpulsen
DE2116869C2 (en) Bone and biological tissue growth promotion appts. - uses flat coil for application of LF current from generator
EP2467190A2 (fr) Dispositif de polarisation et dispositif d'implantation
WO2002096515A1 (fr) Applicateur portable pour thérapie par signal pulsé
EP0430951B1 (fr) Dispositif de massage therapeutique magnetique
WO2002030511A2 (fr) Dispositif de traitement de l'obesite, de la cellulite, etc.
EP2344247B1 (fr) Dispositif pour stimuler un processus de guérison dans la zone d'un implant
EP2050483A1 (fr) Dispositif de bobines destiné à la production de champs thérapeutiques électromagnétiques
WO2009049873A1 (fr) Ensemble bobine destiné à produire des champs électromagnétiques thérapeutiques
EP0332086A1 (fr) Partie de lit
DE102007010165B4 (de) Strumpfhose für medizinische Zwecke
DE19747608A1 (de) Magnetisierbarer oder magnetischer Körper
DE3712150A1 (de) Vorrichtung zur magnetfeldbehandlung von lebewesen
DE3733502C2 (fr)
DE3133131A1 (de) Anordnung zur magnetfeldtherapie der menschlichen haut

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08840433

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 08840433

Country of ref document: EP

Kind code of ref document: A1