Electrode device

FIELD: medical equipment.

SUBSTANCE: device can be used in multichannel in electrical neuron-adaptive stimulators. Electrode device has joint for connecting multichannel neuron-adaptive stimulator and flat multiwired flexible cable. Each wire of cable is connected with corresponding contact of joint for switching stimulator in. Mounting shoes provided with fixing bushings are installed along the whole length of flexible cable. Electrodes are inserted into fixing bushings. Each contact of mounting shoe is connected with corresponding contact of joint via wire of flat multiwired flexible cable. Fixing metal bushing is connected contact of mounting shoe through conductor. Connection is made in such a way that number of contact corresponds to number of mounting shoe, to number of wire of multiwired flexible cable and to number of contact of joint.

EFFECT: improved efficiency of electro-therapeutic influence when treating prolonged pathological areas.

2 dwg

 

The invention relates to medical engineering, in particular to the electrical stimulation, and can be used in electroneurography stimulants.

From the description to the patent of Russian Federation №2083236, MPK A 61 N 1/04, And 61 N 39/00, publ. 1970 is known electrode device used in medical applications bundled with the electrostimulator for non-pharmacological treatment of a wide class of diencephalic disorders. It is a framework that consists of three electrically conductive elastic arcs that are joined together using a hinge elements, each arc consists of two halves, connected in the middle part of the dielectric element, each of the halves is one electrode, the ends of the conductive elastic arcs made in the form of electrical contacts.

This electrode device is designed to remove the pain syndrome in diseases of the temporomandibular joint, i.e. is a narrow specialist.

Electrode device for electrical stimulation of the neuromuscular system, protected by the patent of Russian Federation №2124344, MPC AND 61 N 39/00, And 61 In 5/05, publ. 1999, intended for restorative treatment in traumatic injuries in conditions of impaired innervation, contains a fixed electrode made in the form of electrically conductive plastic is s, and the movable electrode. The movable electrode is made with two layers, where one layer is made of an elastic conductive material and the second layer of insulating elastic material and provided with fastening elements to the palm of the operator. Due to the mounting of the electrode device on the hand of the operator is ensured by palpation monitoring the effectiveness of electrical stimulation. The disadvantage of this electrode device is unsuitable for use with electroneurography stimulants, when you want a fixed distance between the active and passive electrodes.

In published application for a patent of the Russian Federation No. 96124755/14, MPC AND 61 IN 5/00, publ. 1999 described EEG electrode containing contact elements made in the form of electrically conductive pins with rounded contact surfaces and mounted on a conductive base, provided with a discharge conductor. The contact elements are made of elastic and conductive base is made in the form of an elastic membrane, the diameter of the contact elements is 0.1-0.2 mm, and the distance between their axes is 1.0-1.5 mm Execution of the contact elements in the form of conductive studs ensures reliable contact with the skin, even in the presence of hair. Described electrode is great for what is constructive complexity and therefore has limited application.

Patent of the Russian Federation No. 2071271, MPC AND 61 IN 5/04, publ, protected quickly installed electrode Blatov IV containing matrix in the dielectric housing, and wherein the electrode further comprises at least one asdigital hair, formed by the exterior surfaces of the two flange located relative to each other at acute or right angles. The matrix is located within the angle formed by the shoulder. The walls of the shoulder, facing the inside of the corner, have a lower height compared to the outer walls. The disadvantage of this electrode design complexity.

Known photomedicine therapeutic device for the treatment of extended pathologies (see Russian Federation patent No. 2145247, IPC7A 61 N 5/06, 2/00, And 61 In 18/02, A 61 F 7/00, publ. 10.02.2000 g)containing sources of radiation of different spectral range, which are connected to control units and power, as well as additional physiotherapy modules (magneto-, electro - and other kinds of therapy) is placed in the substrate to form the working surface, similar to the form of a spatially extended pathological zone, the number of sources N, the distance between them is d, and the radiation intensity I on the surface of the biological object are determined from a system of interrelated expressions, the surface of the substrate between the source is made serkal is Oh; put the holder for fixing the substrate relative to the bio-object, introduced a switching unit connected to the control unit and additional physiotherapy modules, and sensors biofeedback, connected to the switching unit, which provides switching sources of different spectral composition and additional physiotherapy modules for a given program. The device allows to increase the effectiveness of light therapy for the treatment of various extended over the surface of the bio-object pathologies, including dermatology, cosmetology, treatment of injuries, bruises, swelling, varicose veins, treatment of blood, treatment of infected processes, etc. but it cannot be used with electroneurography stimulants.

Closest to the claimed technical solution according to the applicant is an electrode device for puncture electrotherapy, protected by the patent of Russian Federation №2202381, MPK7 A 61 N 1/18, And 61 N 39/00, publ. 2003

The electrode device comprises an indifferent and active electrodes. The screen flexible cable soldered the current-carrying wire with a plug, connected to neutral lead electrode. Cable branched 2-5 electrical wires with plugs, which are connected 2-5 round electrodes. Indifferent e is ctred made of lead, active electrodes are made of steel. The electrode device is intended for physical therapy effects on internal organs, particularly the stomach, intestines, prostate, uterus, bladder, bronchi. The technical result of the invention is the possibility of passing the power line current through the internal organs at the local influence on biologically active points. The disadvantages of the prototype is the inability electrotherapeutic impact on the long pathological zone, the impossibility of selective effects on area under one electrode while excluding the impact zone under other electrodes; the absence of fixation of a given distance between the active and indifferent electrodes, excessive locality electrotherapeutic impact.

The technical result from the use of this invention is the exception mentioned drawbacks, i.e. increasing the effectiveness of electrotherapy impact in the treatment of extensive pathological zones.

This technical result is achieved by the electrode device designed primarily for use with multichannel electroneurography a stimulant and contains a connector to attach multichannel-electroparadise is simulator and flexible multi-conductor cable, stranded cable is made flat, each lived flat multiconductor flexible cable connected with a corresponding contact of the connector electrodeionization stimulator, the entire length of the flat multi-conductor flexible cable set mounting pads, contacts, each of which is connected with the conductors of a flat multiconductor flexible cable, and fixing the metal sleeve through the corresponding conductor flat metal cable connected to a contact of the connector, the number of which corresponds to the number of conductors of a flat multiconductor flexible cable and the number of mounting pads, with electrodes inserted into the fixing sleeve of the respective mounting pads.

The invention is illustrated by drawings. 1 schematically shows the construction of the claimed electrode of the device, figure 2 shows the electrode is placed in the fixture mounting sleeve placket.

Declared electrode device (1) contains the reciprocal portion of the connector 1 for connecting to multi-channel electrodeionization the stimulator (not shown). The connector 1 is connected to the conductors of a flat multiconductor flexible cable 2, the length of which exceeds the length of the longest in the impact zone, for example, the vertebral column (70...100 cm) or segment innervation (50...70 cm). Along the whole length of the e flat stranded cable 2 with a given step, for example, 3...5 cm, set of mounting pads 3. Each contact 4 mounting pads 3 is connected via a corresponding conductor of a flat multiconductor flexible cable 2 with the corresponding contact of the connector 1. Fixing sleeve 5 conductors 6 are connected through contact 4 of the mounting pads 3 and mine flat stranded cable 2 with the contact of the connector 1, the number of which corresponds to the number of mounting pads 3. The electrode 7 (figure 2) is inserted into the fixing sleeve 5 conductive pins 8. Declared electrode device is used for fastening the upper and lower extremities, chest and on the back of patients, mostly pastel-patients. The fastening can be carried out in any way, for example with the help of plaster, bandage or simply superimposed on the scope of the impact with the down blanket or body of the patient.

The electrode device is connected to a multichannel electrodeionization the stimulator using a standard connector 1. Due to the presence of flat multiconductor flexible cable 2 is provided a snug fit of the electrode device to surround and extended the impact zone. Plug connection electrodes 7 a flat multiconductor flexible cable 2 allows you to change the number of active electrodes and disconnect them from the nitarno and hygienic processing.

The proposed device is operated as follows. Electrode device is connected to a multichannel electrodeionization the stimulator, the characteristic feature of which is that the active electrode at zero potential on the passive electrode is served neural impulse, the parameters of which vary during the exposure in accordance with the change in reactance interelectrode tissue in the area of impact. The impact is up until this change occurs, and as soon as the reactive impedance of the electrode-tissue ceased to change, the impact of stops and the neural impulse is fed to the other electrode, which becomes active, and the adjacent electrodes become passive. When the affected area is extensive, it is divided into several areas, the impact of which is carried out consistently. Declared electrode device allows more efficient use of multi-electroneurography stimulator. Sterilized electrodes 7 are inserted into the mounting pads 3, and the electrode acquires the room, an adequate number of mounting pads 3, in which it is installed. The numbering of the electrodes 7 (mounting pads 3) goes from the connector 1. Electrode device closed plaetse on the zone of influence of the electrodes 7 to the body with extensive overlap in the impact zone. For example, when exposed on the rear middle Meridian first (closest to the connector 1) electrode 7 is installed on the rump, and the last in the region of the cervical vertebrae. Included electroneurography stimulator. Depending on the size of the impact area (the number of electrodes included in the active electrode) of the neural impulse is for one, two or three adjacent conductors of a flat multiconductor flexible cable 2, neighbouring served zero potential, the other wires left unconnected. For example, if the scope of the impact is determined by two electrodes, at the beginning of impact on the first vein is served zero potential, the second and the third core of the neural impulse to the fourth - zero potential, the other wires are not connected. At the end of the impact on this region of zero potential is supplied to the third and sixth veins, neural impulse - on the fourth and fifth, the other wires are not connected. And so on. In the extended zone is exposed to the stimulating effect without gaps. At the end of the stimulation electrode device is disconnected from electrodeionization stimulator, electrodes 7 are detached from the mounting pads 3 flat stranded cable 2 and subjected to sterilization (disinfection). POSCO is jku with body contact only the electrodes 7, there is no need to disinfect flat multiconductor flexible cable with 2 sockets 2.

Being simple in operation, the proposed electrode device allows widely and effectively apply multi electroneurography stimulants for electrotherapeutic impact in the treatment of extensive pathological zones.

Electrode device designed primarily for use with multichannel electroneurography stimulator containing connector to attach multichannel-electroparadise stimulator and a flexible multi-conductor cable, wherein the multi-conductor flexible cable is planar, each lived flat multiconductor flexible cable connected with a corresponding contact of the connector to attach multichannel-electroparadise stimulator, the entire length of the flat multi-conductor flexible cable set mounting pads, contacts, each of which is connected with the conductors of a flat multiconductor flexible cable, and fixing the metal sleeve through the corresponding conductor stranded flexible cable connected to the pin connector to attach multichannel-electroparadise stimulator, the number of which corresponds to the number of veins flat multiconductor flexible to the blanching and the number of mounting pads, when the electrodes are inserted into the fixing sleeve of the respective mounting pads.



 

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