• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    HEAD BINDING AND NEURO STIMULATION DEVICE The purpose of this invention is a head bandage, to be used in neuro-stimulation, which is partially made of elastic or an elastic material, comprising: an opening (2) located directly at the back of a user's head (8), said opening having a dimension that adapts to the external occipital protuberance; at least two electrodes (1) directly connected to the head ligature and positioned adjacent and symmetrical in relation to the said opening (2), designed in such a way that they are applied to the right and left branches on the occipital nerve (7), respectively , as soon as the outer protrusion of the occiput corresponds with the said opening (2) by the user; a connecting element (6A) for connecting a neurostimulator (6), which can be used with said head bandage, said connecting element (6A) being located opposite the said opening (2), when the head ligation is used by the user and means for coupling the elastic or elastic material, for electrical connection, to said connecting element (6A) and to each of said electrodes (1).
    公开号:BR112013014409B1
    申请号:R112013014409-2
    申请日:2011-03-17
    公开日:2021-02-02
    发明作者:Jean-Yves Mignolet；Pierre-Yves Muller；Pierre Rigaux
    申请人:Cefaly Technology Sprl；
    IPC主号:
    专利说明:

    [001] The object of the present invention is devices that belong to the technical domain of external neurostimulation. Prior technique and technical problem
    [002] Neuro-stimulation is a well-known technique that consists of using electrical impulses to generate a potential action on the nerves. The devices are usually implantable systems similar to “pacemakers”.
    [003] Implantable neurostimulation is used to treat headaches, such as migraines or histamine headaches. It has existed for more than 10 years in the United States. The normal implantable neurostimulation technique consists of a neurostimulation applied to the occipital nerve.
    [004] Obviously, implantable neurostimulators require surgery to be implanted and generate several problems related to the invasive aspect of this technique.
    [005] To avoid invasive issues, STX-Med Company has developed a specific device and technique (called Cefaly®) to apply external neurostimulation to the head in order to treat and prevent headaches and migraines. This technique is known as external cranial neurostimulation and is the subject of two patents filed: WO 2006/063417 and US patent 2009/0210028.
    [006] The Cefaly® device uses a supra-orbital electrode in order to apply neurostimulation to the upper branch of the trigeminal nerve (V1).
    [007] External cranial neurostimulation, applied by means of a supra-orbital electrode, has no action on the occipital nerve. For this reason, supraorbital neuro-stimulation cannot be used to treat occipital neuralgia and cannot replicate the current implantable neuro-stimulator in the occipital. In addition, the external neuro-stimulation of the occiput is technically very complicated because of the presence of hair in the occiput when compared to the thin skin of the supra-orbital region.
    [008] The document CN 2531817 U describes a set of “head ligation” type electrodes, including an occipital electrode that allows the stimulation of the optic nerves with an afferent fiber at the back of the skull. This is not a “wet” electrode.
    [009] Several documents describe devices with electrodes of the type "head bandage" that are intended for electroencephalographs (EEG), that is, they are intended for measurement and not for stimulation: a self-adjusting device with a rubber bandage (US 3,998,213 A, CA 2,082,092 A); and a device that is a helmet with a visor (WO 2000/45701 A); and a cap-shaped device (US 4,537,198 A).
    [010] US patent document 2009/0105576 A describes an electrode for EEG systems that contains a fixed part for contact with the skin, using a gel.
    [011] The US patent document 2009/0082831 A1 describes a system and a process of vestibular stimulation, which includes a place of accommodation, a source of energy supply that is placed in that place of accommodation, a set of electrodes adapted to be connected to the housing location and a controller arranged in this housing location and operationally coupled to the power supply source. The controller controls the power supply from the power source to the electrode array. A mounted assembly is coupled to the housing to mount that housing to a user. The electrodes, which are not directly connected to the location of the assembled assembly, are connected to the power supply source and / or to the controller by means of wires or electrical conductors. Objectives of the invention
    [012] The object of the present invention is to avoid the disadvantages of the prior art.
    [013] Particularly, one of the objectives of the present invention is to allow an external neurostimulation of the occipital nerve, in an easy and comfortable way, using a neurostimulator that can be placed on the head, such as Cefaly® and allows to solve the issue of hair in the occipital region. Summary of the invention
    [014] The object of the present invention is a head bandage, to be used in neuro-stimulation, made at least partially from elastic or an elastic material, which comprises:
    [015] an opening located directly on the back of a user's head, the said opening having a dimension that adapts to the external occipital protuberance;
    [016] at least two electrodes directly connected to the head ligation and positioned adjacent and symmetrical in relation to the said opening, designed in such a way that, they are applied to the right and left branches in the occipital nerve, respectively, as soon as they are matched the external protrusion of the occiput with the said opening by the user;
    [017] a connection element for connecting a neurostimulator, which can be connected to said head bandage, said connection element being located on the opposite side of said opening, when the head bandage is used by the user; and
    [018] means for coupling the elastic or elastic material to said connection element of the electrical connection and to each of said electrodes.
    [019] Preferred or particular embodiments of the present invention further comprise one of the following characteristics or an appropriate combination of them:
    [020] each electrode comprises a flexible reservoir to contain an electrically conductive gel, the said reservoir terminating with a metallic mesh, which is intended to be put directly in contact with the scalp and to provide a wet electrical contact without the need for hairs zone hair;
    [021] the bandage to put on the head comprises a linear piece of elastic or an elastic material provided with pressure buttons to close and adjust the bandage from the head to the user's head;
    [022] at least a part of the pushbuttons is metallic and participates in the electrical connection between said connecting element and said electrodes;
    [023] the head bandage is made of a front part and a rear part and is adjustable to the user's head by means of several loose adjustment elements, located in the front, which cooperate with at least one element of separate adjustment, located at the rear, said front part partially covering said rear part;
    [024] the rear part comprises an extension designed in such a way as to avoid electrical contact between the push buttons that are not used on the front and the user's head in the region that covers the front and rear parts;
    [025] the head bandage is made of a single piece provided with isolation pressure buttons, which are intended to adjust the bandage from the head to the user's head, folding the bandage over itself.
    [026] The present invention also has as its object a neurostimulation device, which comprises a head bandage, as described above, and an external cranial neurostimulator that can be used attached to said connecting element, being that you can place the neurostimulator on your head, preferably a wireless neurostimulator. Brief description of the drawings
    [027] Figure 1 represents, schematically, a posterior view of one of the modalities of the head bandage, according to the present invention;
    [028] Figure 2 represents, schematically, the gel reservoir of the head bandage, according to the present invention, with the metallic network through which the gel can diffuse;
    [029] Figure 3 represents the front connection element of a wireless electronic device that can be used in the head band referred to above;
    [030] Figure 4 represents a rear view of a first preferred embodiment of the head bandage according to the present invention, which comprises two parts connected with metallic push buttons;
    [031] Figure 5 represents both sides of the front of the first preferred modality;
    [032] Figure 6 represents both sides of the back of the first preferred embodiment;
    [033] Figure 7 represents the electrode used in the first preferred modality;
    [034] Figure 8 represents more detailed views of the first preferred embodiment, constructively reducing the present invention to practice;
    [035] Figure 9 represents a rear view of a second preferred embodiment of the head bandage, according to the present invention, built in a single piece in which the adjustment is made by means of plastic pressure buttons;
    [036] Figure 10 represents the electrode used in the second preferred modality; and
    [037] Figure 11 represents more detailed views of the second preferred embodiment, constructively reducing the present invention to practice. Detailed description of the present invention and preferred embodiments
    [038] Four main parts are involved in the present invention:
    [039] electrode technology: using the gel that passes through a metal mesh;
    [040] positioning of the electrodes: correct positioning obtained easily at the back of the skull;
    [041] adjustable device: illustrated system to adapt to different dimensions of the head;
    [042] contact with a device that can be used: the system can be used with the Cefaly® device.
    [043] The present invention is basically a ligature for the head that allows electrical contact between a neurostimulator and the posterior part of the skull. Electrode technology
    [044] To prevent someone having to shave the hair on the back of the skull, when the electrodes have to contact the skin, the electrodes are made of a highly viscous conductive gel. This gel can pass through the hair, allowing good contact with the skin. The gel should be spread on the right part of the skull. To properly place the gel on the head, the user first places the gel in a small reservoir 1, located on the head bandage (FIG. 1). Reservoir 1 is made of a closed container 5 with a mesh 4 made of a metallic material (FIG. 2). The user can adjust the bandage from head to head (see positioning below).
    [045] During this stage, no gel is spread, thus preventing the gel from being located in the wrong location. When the system is in place, the user pulls back the reservoir to spread the gel on the head through the mesh. In this way, no gel is spread outside the desired area. Electrical conductivity is ensured by means of the network 4, which is electrically connected to the stimulator via ligation of the head thanks to the pressure buttons 9 (see FIG. 7 and FIG. 10).
    [046] Net 4 therefore has the ability to prevent the gel from spreading when it is not desirable and to allow the gel to spread in the appropriate place when necessary. In addition, the fact that the network is made at least partially of conductive elements allows the electrical signal to reach the skull through the gel. Positioning of the electrodes
    [047] The electrodes must rest on the back of the head; it is therefore difficult for a user to place them correctly. However, the correct positioning of the electrodes is very important to ensure an efficient neurostimulation applied exactly to the large occipital nerve 7 (see FIG. 1). To facilitate this process, an opening 2 has been provided at the back of the head bandage, in such a way that the user is able to place the electrodes in the correct position (FIG. 1). Opening 2 must be placed exactly in front of the occipital protuberance (external occipital protuberance). It is a very good mark as the occipital protuberance corresponds to the surface of the base of the skull. By running a finger through the opening, the user can thus easily locate the occipital protuberance and thus correctly place the bandage on the head. Adjustable device
    [048] Not all users have the same head size. The head bandage must therefore be adjustable and, advantageously, it must be made, at least partially, of elastic or an elastic material. The present invention faces two challenges:
    [049] the head bandage must be adjusted before being placed on the head to prevent the difficult positioning and diffusion of the gel;
    [050] there must be an electrical contact between the front and the rear.
    [051] The adjustments must be more or less symmetrical: the centerpiece of the front part must be in the middle of the forehead while the center of the opening of the posterior part must be in the middle of the back of the skull.
    [052] To achieve this, in a first preferred mode (FIG. 4), two parts are fitted, one on top of the other. The adjustment of the head bandage is achieved thanks to the connections with the push buttons and an extension of the elastic material that covers the connecting elements that are not used. A front part (FIG. 5) contains a loose electrical wire (not shown) that can be connected to a connecting element of the mountable device 6A at the front (FIG. 5A) and to one or more push buttons 3 on the part posterior (FIG. 5B). Each push button 3 is advantageously metallic, allowing electricity to pass through it. A rear part (FIG. 6) comprising the electrodes 1 is connected to each side of the front through the push buttons 3 (FIG. 6A). Asymmetry is ensured by a similar positioning of the push buttons 3 on both sides of the bandage. At the rear, an electrical wire connects a push button 3 corresponding to a push button 9, that is, to connect to electrode 1 (FIG. 6B, 7). Obviously, the push button 9 is electrically isolated on the side that contacts the scalp. The rear part contains an extension, on both sides, that adequately covers the push buttons 3 that are not used, to prevent wrong electrical contact with the user's head.
    [053] In a second preferred embodiment (FIG. 9), the head bandage is made of a single piece of elastic material and contains an elastic electrical wire located within the elastic bandage. This electrical wire is connected directly to the electrode (FIG. 10), thanks to a metallic pressure button 9. The pressure buttons of adjustment 3 are not metallic, for example, they are made of plastic and are used only for adjustment. The symmetry is then ensured by means of a similar positioning of the push buttons 3, on both sides of the bandage. The bandage is adjusted to the user's head thanks to the pressure buttons 3, folding the bandage over itself.
    [054] All materials known or considered appropriate by a person skilled in the art can be used in the previous embodiments of the present invention. In particular, the band can be made of any suitable type of elastic or elastic fabric while the net can be made of any suitable metal. For example, in the first preferred embodiment of the present invention, the front is made of Lycra® and the back is made of thermally formed foam covered with Lycra®. The electrode mesh is made of stainless steel. Usable stimulator
    [055] The head bandage according to the present invention provides an appropriate connecting element 6A with a stimulator 6 that can be placed (FIG. 3). For example, in a modality very similar to the Cefaly® device itself, the mechanical connection of the stimulator to the head bandage can be done using a non-conductive part in the shape of a pin, while the stimulator 6 and the connecting element 6A in the head bandage are provided with means to ensure continuity of the electrical contact. Symbol reference 1. electrode 2. opening next to the occiput 3. pressure buttons 4. mesh 5. gel container (reservoir) 6. neuro-stimulator that can be placed; 6A connecting element 7. great occipital nerve 8. scalp 9. electrode pressure button 10. electrode holder
    权利要求:
    Claims (9)
    [0001]
    1. Head bandage, for use in neurostimulation, which is made, at least partially, of elastic or an elastic material, comprising: - an opening (2) located directly on the back of the head (8) of a user, the said opening having a dimension that adapts to the external occipital protuberance; - at least two electrodes (1); user; - a connection element (6A) for connecting a neurostimulator (6), which can be connected to said head bandage, said connection element (6A) located on the opposite side of said opening (2), when the head bandage is put on by the user; and - means for coupling elastic or elastic material to electrically connect said connecting element (6A) and each of said electrodes (1), characterized in that the electrodes are directly connected to the bandage and positioned adjacent to and symmetrically said opening ( 2), in order to be applied over the right and left ramification of the oscipital nerve (7) respectively, since the ions are placed in correspondence with the said opening (2) by the user.
    [0002]
    2. Head bandage according to claim 1, characterized by the fact that each electrode (1) comprises a flexible reservoir (5) to contain an electrically conductive gel, the said reservoir terminating with a metallic mesh (4) intended for put it directly in contact with the scalp (8) and to provide a wet electrical contact without the need to shave the hair.
    [0003]
    3. Head bandage according to claim 1, characterized by the fact that it comprises a linear piece of elastic or an elastic material supplied with pushbutton fastening elements (3) to close or adjust the bandage to the user's head .
    [0004]
    4. Head bandage according to claim 3, characterized by the fact that at least part of the fixing pressure buttons (3) are metallic and participate in the electrical connection between said connecting element (6A) and said electrodes (1, 9).
    [0005]
    5. Head bandage according to claim 4, characterized in that the head bandage is made up of a front part and a back part that is adjustable to the user's head by means of several fastening pressure buttons (3) located on the front part and which cooperate with at least one fixing pressure button (3) located on the rear part, covering said front part partially said back part.
    [0006]
    6. Head bandage, according to claim 5, characterized by the fact that the posterior part comprises an extension designed in order to prevent electrical contact between the pressure and fixing buttons (3), which are not used in the the front and the user's head in the region that covers the front and back.
    [0007]
    7. Head bandage according to claim 3, characterized by the fact that it is made of a single piece provided with isolation pressure buttons (3), intended to adjust the head bandage to the user's head, folding the latter over itself.
    [0008]
    8. Neurostimulation device, characterized in that it comprises a head bandage according to any one of claims 1 to 7, and a usable external cranial neurostimulator (6) connected to said connecting element (6A ).
    [0009]
    9. Device according to claim 8, characterized in that the usable neurostimulator (6) is a wireless neurostimulator.
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    WO2021052754A1|2019-09-20|2021-03-25|SAVIR GmbH|System for locally activating the human eye and the brain in order to train visual performance, in particular in order to activate the visual cortex and reorganized neural networks in the human brain in order to strengthen residual vision|
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    CN113117195A|2019-12-31|2021-07-16|北京怡和嘉业医疗科技股份有限公司|Ventilation treatment apparatus and ventilation treatment method|
    法律状态:
    2018-03-13| B25D| Requested change of name of applicant approved|Owner name: CEFALY TECHNOLOGY SPRL (BE) |
    2018-03-27| B25G| Requested change of headquarter approved|Owner name: CEFALY TECHNOLOGY SPRL (BE) |
    2018-04-10| B25G| Requested change of headquarter approved|Owner name: CEFALY TECHNOLOGY SPRL (BE) |
    2018-07-17| B25L| Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled|Owner name: CEFALY TECHNOLOGY SPRL (BE) |
    2018-07-24| B25G| Requested change of headquarter approved|Owner name: CEFALY TECHNOLOGY SPRL (BE) |
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-29| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-11-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-02-02| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/03/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US42253510P| true| 2010-12-13|2010-12-13|
    US61/422,535|2010-12-13|
    PCT/EP2011/054072|WO2012079778A1|2010-12-13|2011-03-17|Headband for external occipital neurostimulation|
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