RU2281128C2 - Magneto-therapeutic apparatus - Google Patents

Abstract

FIELD: medicine, in particular, physiotherapy, possible use for affecting patient with medicinal magnetic field.

SUBSTANCE: magneto-therapeutic device contains control device in form of central block and peripheral blocks matching number of emitters, consisting of a set of inducers, and power source for inducers. Each peripheral block consists of processor and key elements matching the number of inducers in appropriate emitter. Inputs-outputs of central block are connected to inputs-outputs of processors. Outputs of processors are connected to first inputs of key element. Second inputs of key elements are connected to first clamp of power source. First clamp of each inducer is connected to output of appropriate key element, while second clamp makes it possible to expand functional capabilities of magneto-therapeutic apparatus.

EFFECT: expanded functional capabilities of magneto-therapeutic apparatus.

3 cl, 3 dwg

Description

The invention relates to medicine, in particular to physiotherapy, and can be used to expose a patient to a therapeutic magnetic field.

In medical practice, low-frequency magnetic fields with a high therapeutic effect have been widely used. They actively affect the metabolism, have anti-inflammatory, analgesic, antispasmodic effects and cause multifaceted responses of the body [1].

Known magnetotherapeutic apparatus [2], consisting of inductors (inductors), made in the form of rings of various diameters, a block that generates rectangular pulses of the "meander" type, and a block that distributes pulses across the inductors. Five inductors of larger diameter are structurally combined into a single block, which has the shape of a cylinder, inside of which the patient’s arm or leg is placed.

The disadvantages of the known apparatus are:

- uneven effect of the magnetic field on the limb of the patient due to the inability to center the latter when it is placed in the block of inductors;

- the impossibility of simultaneously affecting two or more limbs of the patient;

- the impossibility of placing in a block of inductors a limb of a patient located in the Ilizarov apparatus.

As a prototype of the claimed technical solution, a magnetotherapeutic apparatus [3] was selected, containing a control device, the input of which is an external synchronization input from the patient's biorhythm sensor, a channel commutator, the outputs of which are connected to the control inputs of adjustable current sources, the outputs of the latter are connected to the magnetic induction vector switches to blocks of inductors (emitters). Each emitter contains m bands of inductors according to the number of current sources, while the inductors of the same name bands are interconnected and connected through the corresponding switch of the magnetic induction vectors to the output of the ith current source. Thus, m current sources with corresponding switches of the magnetic induction vector and inductors of the same bands of different emitters form m channels with autonomously setting the intensity and magnetic field vector in each channel. The change in the intensity of the magnetic field is controlled by the control device through the channel commutator by changing the amplitude of the pulses of the excitation current of the inductors generated by the current sources.

The known device, selected as a prototype, has the following disadvantages:

- a limited set of treatment field configurations, due to the fact that power is supplied in parallel to all inductors included in one of the bands of each emitter, as a result of which only two configurations can be formed: a “traveling wave” if the radiators are deployed in a plane, or “traveling ring "if the emitters are rolled around a limb into a cylinder;

- the inability to electrically change the number of excited bands separately in each emitter independently of other emitters and the number of excited inductors separately in each band independently of other bands, which may be required when, for example, patients are affected by the size of the corresponding parts of the body;

- the impossibility of excluding from the general configuration of the apparatus one or more emitters, since one current source is loaded on several parallel-connected inductors forming the ith channel, but included in different emitters.

The mode of use of not all emitters, but, for example, 2-3 or even one, besides with a reduced number of excited bands (from 3 to 1), can be used in trauma departments in the treatment of limb fractures and when using the Ilizarov apparatus.

The purpose of the invention is the expansion of the functionality of the magnetotherapy apparatus.

This goal is achieved by the fact that in a magnetotherapeutic apparatus containing a control device, emitters, consisting of a set of inductors, and a power source of inductors, the control device is made in the form of a central unit and peripheral units according to the number of emitters, consisting of processors and key elements according to the number of inductors in the corresponding emitter, while the inputs and outputs of the processors are connected by the inputs and outputs of the central unit, the outputs of the processors are connected to the first inputs of the key elements, the second inputs otorrhea connected to the first terminal of the power source and outputs connected to respective first terminals of the inductors, the second terminals of which are connected with the second terminal of the power source. The emitters are made in the form of a set of flexible strips of plastic material and can be mechanically connected or not connected to each other.

Figure 1 schematically depicts the inventive magnetotherapeutic apparatus, figure 2 shows an embodiment of a radiator in the form of a set of flexible strips, figure 3 is an embodiment of a radiator with flexible strips mechanically connected to each other.

The magnetotherapeutic apparatus (Fig. 1) includes a control device consisting of a central unit 1, the input of which 2 is an external synchronization input and connected, for example, to a patient biorhythm sensor, and peripheral units 3, emitters 4, consisting of a set of inductors 5, and a source power supply 6. Each peripheral unit 3 includes a processor 7 and a set of key elements 8 according to the number of inductors in the corresponding emitter. The inductors 5 in the emitters 4 are combined into flexible strips 9 (Fig. 2), which are not mechanically connected or connected to each other, for example, by a rod 10 (Fig. 3), inserted into the holes 11 of the tides 12 of the flexible strips 9, and made of plastic material . In the absence of a mechanical connection between the bands, they can be transformed into flat or cylindrical emitters independently of other bands.

The inputs and outputs of the central unit 1 are connected to the inputs and outputs of the processors 7, the outputs of which are connected to the first inputs of the key elements 8. The second inputs of the key elements 8 are connected to the first output of the power source 6. The first output of each inductor 5 is connected to the output of the corresponding key element 8, and the second terminal is connected to the second terminal of the power supply 6.

The device operates as follows. The emitters 4 are fixed by, for example, special fasteners on the required parts of the patient’s body: lower and upper extremities, lower back, spinal column, cervical region, back and (or) chest. The central unit 1 initializes the peripheral blocks 3, sets the exposure parameters and operating modes of the device, exchanges information with the peripheral blocks 3. The patient can be exposed to the beat with its biorhythm when the corresponding signal is input to input 2 of block 1, and regardless of the last .

The connection between the inputs and outputs of the Central unit 1 and the inputs and outputs of the processors 7 of the peripheral units 3 is bidirectional and provides the possibility of mutual exchange of information between them. This allows you: firstly, to organize at the command level control between the central unit 1 and the processors 7, which directly control the operation of the emitters, and secondly, to ensure the operability of peripheral units 3 and emitters 4 with the corresponding notification to the user. The processors 7 carry out using the key elements 8 the inclusion of the power circuit of the inductors 5. The switching order, the frequency and time of switching on the key elements 8 determine the direction of movement of the pulsed magnetic field from the inductor to the inductor, the repetition frequency and the amplitude of the magnetic induction pulses in the inductors.

The implementation of the control device in the inventive apparatus in the form of a two-level system and the proposed organization of relations between the functional nodes of the apparatus allow:

1. Excite emitters independently of each other;

2. In addition to the “traveling wave” and “running ring” magnetic field configurations, form the “running diagonal” and “time-sweep” configurations if the radiators are deployed in a plane, or the “traveling spiral” and “swirl field” if the radiators rolled into a cylinder, as well as a “chaotic field” with stochastic excitation of inductors;

3. Change the number of excited bands in each emitter, independently of other emitters;

4. Change the number of excited inductors independently in each strip.

In addition, the implementation of the emitters in the form of a set of flexible, mechanically unrelated strips of plastic material with inductors fixed to them allows you to change the direction of the magnetic induction vector by changing the direction of folding of the emitter around the limb of the patient: clockwise or counterclockwise and affect the limb of the patient with superimposed Ilizarov apparatus.

Thus, in comparison with the prototype apparatus, the inventive magnetotherapeutic apparatus has wider functionality, which is achieved by:

- a wide range of therapeutic magnetic field configurations;

- the possibility of varying the emitters and strips involved in the process of exposure to the patient by electrically changing the number of excited inductors and strips independently of other strips and emitters and excluding one or more emitters from the general configuration of the apparatus, if necessary.

LITERATURE

1. Systems of complex electromagnetic therapy. M .: Laboratory of Basic Knowledge, 2000, 376 p.

2. Copyright certificate of the USSR No. 697131, cl. A 61 N 1/42. 1979.

3. RF patent No. 2033206, class. A 61 N 2/04, 1995 (prototype).

Claims (3)

1. Magnetotherapeutic apparatus, comprising a control device, the input of which is an external synchronization input, emitters, consisting of a set of inductors, and an inductor power source, characterized in that the control device is made in the form of a central unit and peripheral units according to the number of emitters, each peripheral unit consists of from the processor and key elements according to the number of inductors in the corresponding emitter, while the inputs and outputs of the processors are connected to the inputs and outputs of the central unit, the outputs of the processors connected to the first inputs of the key elements, the second inputs of which are connected to the first output of the power source, and the outputs are connected to the first outputs of the corresponding inductors, the second outputs of which are connected to the second output of the power source. 2. The magnetotherapeutic apparatus according to claim 1, characterized in that the emitters are made in the form of a set of flexible strips of plastic material. 3. The magnetotherapeutic apparatus according to claims 1 and 2, characterized in that the emitters are made in the form of flexible strips with the possibility of their mechanical connection with each other.

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