Apparatus for applying electromagnetic therapy

FIELD: medical engineering.

SUBSTANCE: device has high frequency active oscillator and emitter designed as oscillatory LC-circuit. Additional double-pin plug, matching four-terminal network, attenuator and diode rectifier are connected in series. Outlet rectifier terminals are connected to the active oscillator circuit. The device operates with the double-pin plug being connected to acoustic three-program wired radio socket.

EFFECT: enhanced effectiveness of blood circulation recovery; improved rheologic blood properties.

2 cl, 1 dwg

 

The invention relates to the field of biology and medicine, namely to electromagnetic apparatus, and can be used for the treatment of various human diseases using electromagnetic oscillations.

Recent studies have shown that in the treatment of several diseases high treatment efficiency is achieved by weak non-thermal effects on humans of high-frequency sine-modulated oscillations in the frequency range of 100-1000 kHz [1].

Weak variables of electromagnetic fields in biological tissues is able to actively influence the function of cells through mechanisms that amplify the incident field. Such electromagnetic fields affect a number of immune, endocrine and neurobiological processes occurring on the surfaces of cell membranes.

Known electromagnetic therapy device described in the patent of Russian Federation №2169019 [2].

In the known device as a source of electromagnetic energy is used high-frequency modulated signal of the radio long wave, medium wave or short-wave range.

The signal receiving antenna, amplified by the power amplification of the radio frequency and by means of the feeder is input to the additional high-frequency stress is El, the output of which is connected the emitter, made in the form of an oscillatory circuit containing the capacitor and the inductor. Resonant circuit tuned to the mean frequency of tract intermediate frequency of the receiver is equal to 465 kHz.

However, this device has limited capabilities. At a frequency of 465 kHz impossible to perform an inductor with a large inductance value. In addition, you must have a high stability of the inductance value.

Closest to the present invention is a device for electromagnetic therapy described in the patent of Russian Federation №2199354 [3].

The device contains a high-frequency sinusoidal oscillator signal, which includes an oscillatory circuit consisting of a capacitor and an inductor, which is also the emitter of electromagnetic waves. The device includes a sound generator frequency, which operates in the range of 10-1000 Hz, and the modulator 7. The emitter serves high-frequency sinusoidal amplitude-modulated oscillations.

The known device has limited therapeutic possibilities, which is determined by the spectral width of the modulation frequency.

The objective of the invention is the expansion of therapeutic options.

This is achieved in that the device for electrical energy is magnetic therapy, containing high-frequency oscillator and the oscillator is made in the form of an oscillating LC circuit, according to the invention includes the additional series-connected two-prong plug, matching quadrupole, an attenuator and a diode rectifier, output terminals of which are connected with the circuit of the oscillator, while for connector connected to the outlet three-program audio cable broadcasting.

The essence of the invention lies in the fact that as a power source and generator sound modulation frequency is used, the sound signal transmitted by the first program network audio wired three-program broadcast.

It is known that the first wire broadcasting program is broadcast signal whose frequency is in the frequency range 100-10000 Hz, while constantly changing its amplitude.

The drawing shows a functional diagram of the apparatus for electromagnetic therapy.

The unit contains a series-connected pin connector 1, the matching quadrupole 2, an attenuator 3, a diode rectifier 4 and the circuit of the oscillator 5. Diagram of the oscillator 5 is connected resonant circuit consisting of series connected capacitor 6 and the coil 7.

The coil 7 may be removable, in which case her own conclusions is connected to the oscillator circuit by using two pin connector 8. Optionally, the apparatus may have a control circuit of a high frequency signal, which consists of a series of the amplitude detector 9, the DC amplifier 10 and the indicator led 11. In its composition, the apparatus may have multiple inductors. For example, the winding of the inductor can be placed on a cylindrical frame, flat frame or may be made detachable[4, 5, 6].

The apparatus operates as follows.

Connector 1 plug in the wall outlet techprogram wire broadcasting. Matching two-port network 2, which may be in the form of two-winding transformer, passes the signals transmitted by the first program in the frequency range 100-10000 Hz. Using the attenuator 3 is set to the desired signal level.

The attenuator 3 may be performed continuously or stepwise adjustment. Then the low-frequency sinusoidal signal is applied to the rectifier 4. At the output of the rectifier is a pulsating signal that contains fixed and variable components.

Pulsating voltage output from the rectifier 4 is applied to the collector of the triode circuit of oscillator 5.

In the presence of high frequency oscillations, the led 11 is lit.

In the proposed apparatus is applied to the amplitude of the collector module is Oia.

When a half wave diode rectifier, the pulse frequency - modulation frequency is in the frequency range 100-10000 Hz.

In the winding of the inductor will be a high-frequency sinusoidal voltage with a frequency in the frequency range 100 - 1000 kHz amplitude-modulated low-frequency signal with a constantly changing frequency in the range of 100-10000 Hz and variable amplitude, with the presence of pauses.

The frequency of the oscillator 5 is determined by the inductance of winding of the coil 7 and the capacitance value of the capacitor 6.

In the proposed device does not need to have a stable elements in the oscillating circuit. The minimum capacity of the circuit can be equal to 30 pF.

The resonant frequency of the circuit may be in the range of 100 to 1000 kHz.

The proposed apparatus for electromagnetic therapy implements a new kind of impact on the body variable-frequency sine wave signal amplitude-modulated by a wide range of frequencies.

During the procedure, constantly changing as the frequency modulation and amplitude modulation. Radiated power is in the range of 30 - 100 mW. At a relatively low intensity electromagnetic fields this kind of exposure to achieve high therapeutic effect due to the large prostanstvennye-temporal heterogeneity of the electromagnet the CSO field. The device has a "soft" effect, it can be used not only in hospitals but also at home without direct supervision of a physician. The apparatus has a low weight and small dimensions, low cost.

Sources of information

1. Ureide. The frequency and energy of the window when exposed to weak electromagnetic fields on living tissue. TIER, t, No. 1, January 1980, p.140-147.

2. RF patent №2169019, CL 7 And 61 N 2/02, publ. 20.06.2001,, bull. No. 17.

3. RF patent №2199354, CL 7 And 61 N 2/00, publ. 27.02.2003,, bull. No. 6.

4. RF patent №2200037, CL 7 And 61 N 2/02, publ. 10.03.2003,, bull. No. 7.

5. RF patent №2163820, CL 7 And 61 N 1/10, publ. 10.03.2001,, bull. No. 7.

6. RF patent №1772830.

1. Apparatus for electromagnetic therapy containing high-frequency oscillator and the oscillator is made in the form of an oscillating LC circuit, characterized in that it contains additional series-connected two-prong plug, matching quadrupole, an attenuator and a diode rectifier, output terminals of which are connected with the circuit of the oscillator, while for connector connected to the outlet three-program audio cable broadcasting.

2. Apparatus for electromagnetic therapy according to claim 1, characterized in that the oscillator circuit is connected additionally control circuit containing series-connected amplitude dete the torus, the DC amplifier and indicator led.



 

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