Device for magnetotherapy

 

(57) Abstract:

The invention relates to medical technology, and is intended for protection, diagnostics and patient adaptation to the effects of magnetic storms by stabilizing the Earth's magnetic field at a given level and physical modeling of magnetic storms in the working volume. Physical simulation is performed by changing the amplitude characteristics of the simulated storms within the registered values of natural storms. Modeling of magnetic storms is due to the introduction of the device containing the magnetometer and three orthogonal loop, three ADC, three reference resistors, three controlled current sources, three DAC, device management, as well as adder, comparator codes, switch, and the random number generator, and the contours are made in the form of sample paths of Helmholtz rings, and the magnetometer is located outside of the working volume and registers the actual value of the magnetic field of the Earth. Due to the launch of the items and blocks the task of protection, diagnostics and patient adaptation. 2 Il.

The present invention relates to medical technology, and is intended Dignitas storm and stabilization of the Earth's magnetic field in the working volume at the specified level.

A device for magnetotherapy (and.with. N 1311740) containing magnetometer, three pairs of mutually orthogonal square contours, the current amplifier and filters. This device has the following disadvantages:

1. The working volume of the device formed by the combination of primary, complementary and compensatory contours, defined as the geometric size and location of window and door openings, medical wards and their geographical orientation. Therefore, the method of calculation of parameters of these circuits for each new chamber must be developed from scratch or chamber should be built under the developed method. Both creates significant difficulties in replicating device for its practical application. The main disadvantage of the considered contour system is the inability to create inside the square contours of the homogeneous field in a large volume and complexity, because the individual circuits are connected in the control.

2. Installation, setup and adjustment of the considered contour system associated with the large amount of works implemented by the contour system is stationary, attached only to ptx2">

3. The device, as it follows from the functional circuit (Fig.2) and job description, stabilizes the perturbations of Earth's magnetic field (magnetic storms) at the level close to zero magnetic field strength at the point of installation of the magnetometer inside contour system (within the sensitivity of the magnetometer 30 Y). Functional diagram of the device contains no element that allows you to specify arbitrary levels of stabilization of the magnetic field inside the contour system, including field, which is par for the area. Under magnetic storm also refers to random deviations of the magnetic field of the Earth from a certain value, taken as nominal. It is known that the patient is sensitive to magnetic storms, adapted to the nominal values of the magnetic field of the Earth, corresponding to the geographical place of his permanent residence, and not to the place where the magnetic field strength would be close to zero. Such place within the earth's surface practically does not exist.

4. The device, as it follows from the description, is intended only for the collective protection of patients from exposure to magnetic storms and may not be used is (a) to geomagnetic disturbances.

The diagnosis of patients on natural magnetic storms caused some inconvenience, because their time of occurrence and amplitude characteristics are rather uncertain in time and cannot be changed.

Therefore, it is unknown which of the patients should be placed in such hospital room to protect from the effects of geomagnetic storms.

5. The device does not allow to develop adaptation in patients methods dosed artificially created in the working volume of a magnetic storm, because structural diagram does not have to solve this problem, the corresponding functional elements.

This device A. with. N 1311740 is the closest to the proposed invention and is taken as a prototype.

When creating a new device solves the problem of protection, diagnosis and adaptation of patients sensitive to perturbations of the Earth's magnetic field (magnetic storms) during the elimination of the above disadvantages of the known prototype.

This is achieved by the fact that the device containing the magnetometer and the working volume formed by three pairs of mutually orthogonal contours impose additional three exemplary resistor, user, device comparison code, a switch, a random number generator, and the working volume is executed in the form of rings Helmholtz (three pairs), the input coils of the Helmholtz rings are connected through a controllable current sources and digital-analog converters with outputs of the adder and the input of the adder with the output device for comparing the codes, the model outputs through resistors analog-to-digital converters with inputs of comparator codes, the input to the comparator codes connected through the switch to the random number generator on input associated with output control device, an input connected to a digital magnetometer, outside the working volume.

In Fig.1 shows a functional diagram of the device of Fig.2 - decomposition of the vector of the geomagnetic field H3three components of HxHyHzin a rectangular coordinate system, as well as conventionally depicted with three pairs of Helmholtz rings, generating compensating field HxHykHzkin coils with the direction of the currents.

The device comprises (Fig. 1) working volume, made in the form of a system of 3 orthogonal Helmholtz rings (1), the winding of which is connected through exemplary resistors (2, 3, 4) to analogowych converters (8, 9, 10), the inputs of digital to analog converters (8, 9, 10) through the adder (11) is connected to the comparator codes (12). Device comparison codes (12) inputs connected to the outputs of the analog-to-digital converters (13, 14, 15) and output switch (16) on the other hand, the inputs of analog-to-digital converters (13, 14, 15) connected to the exemplary resistors (2, 3, 4). The inputs of the switch (16) connected to the output of the random number generator (17) and control device (18), and the input control device (18) connected to the output of the digital magnetometer (19).

In the proposed model for magnetic therapy used blocks made of known standard devices made on the basis of digital computing.

The magnetotherapy device mode to protect patients from perturbations of the geomagnetic field of the Earth operates as follows. Digital magnetometer (19) measure the vector components of the magnetic field HzHyHxserved on the control unit (18). The control device (18) subtracts the measured values of the vector components of the magnetic field of the Earth of the preset values stored in the memory of the control device. Deviations from the set C is frova tracking system in the feedback circuit through exemplary resistors (2, 3, 4), analog-to-digital converters (13, 14, 15) compares the converted digital code value of the magnetic field within the working volume of the contour system with deviations from the specified values using the comparator codes (12). These deviations from the outputs of the comparator codes (12) through the adder (11), digital to analog converters (8, 9, 10) are fed to the controlled current sources (5, 6, 7). The last change of the current in the Helmholtz coils.

Physical modeling of magnetic storms is as follows. In the memory control unit receives the measured values of the magnetic storm, obtained using a digital magnetometer, and introduces the results of measurements of magnetic storms, obtained from geomagnetic stations. These data using the software of the control device (18) are processed in accordance with the laws of probability theory and mathematical statistics. This sets the regular component of the magnetic storm and produced by random deviations taking into account the spectral and amplitude characteristics of real geophysical oscillation of magnetic storms. During operation of the device is constantly autocrediting (16) to the device comparison codes (12). Digital servo system about the feedback circuit through exemplary resistors (2, 3, 4), analog-to-digital converters (13, 14, 15) compares the values of the magnetic field created by the current in the Helmholtz coils with the values input to the comparator (12) from the random number generator (17), calculates the difference and carries out the testing of this difference by changing the current in the coil by the control circuit currents in the coils through the adder (11), digital to analog converters (8, 9, 10) and the controlled current sources (5, 6, 7). The simulation mode magnetic storms used for diagnostic purposes and patient adaptation method of dispensing exposure that is carried out by changing the amplitude characteristics of the simulated storms within the registered values of natural storms. The placement of the magnetometer outside the working volume allows you to control the actual parameters of the Earth's magnetic field and aligning magnetic field all over the working volume formed by the Helmholtz coils. Helmholtz coils are exemplary source of the magnetic field and allow you to generate in a given amount of magnetic field that is close to homogeneous and known configuration. Value naprochy accuracy.

The patient for diagnostic purposes and adaptation is placed inside the working volume.

Thus, the present invention can be placed in any location, and by creating a controlled magnetic field within the working volume of the device allows to carry out diagnostics and patient safety.

Device for magnetotherapy, containing the magnetometer and three pairs of mutually orthogonal paths, characterized in that the device additionally introduced three exemplary resistor, three analog-to-digital Converter, an adder, three controlled current sources, three digital-to-analog Converter, a comparator codes, a switch, a random number generator and the control device, and the working volume is executed in the form of rings Helmholtz, the input coils of the Helmholtz rings are connected through a controllable current sources and digital-analog converters with outputs device code compares the model outputs through resistors analog-to-digital converters with inputs of comparator codes the input of the comparator is connected via a switch to the random number generator on input associated with output control device, an input connection

 

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