RU83923U1 - DEVICE FOR VERY HIGH-FREQUENCY (EHF) THERAPY - Google Patents

Abstract

An apparatus for ultra-high-frequency (EHF) therapy, consisting of a power supply unit, a control unit, an indication unit and a timer, structurally combined in one housing, and connected through the connectors of three autonomous (independent) sources of coherent EMR of different or identical EHFs, each of which includes a generator on an avalanche-span diode and low-frequency modulator, providing frequency modulation of the carrier oscillation, characterized in that, in order to ensure optimal thermal conditions, eliminate thermal breakdown and increase reliability generator operation on an avalanche-span diode (HFLD), a cooling fan and LED indicators are introduced into the design of the EHF EMR source, which indicate the efficiency of the HFLD during the therapeutic session, as well as a replaceable applicator (emitter) with an expanded radiation pattern for intracavitary exposure, which is placed a circular cross-sectional waveguide into the protective hermetic sheath of bioinert material, the input of which is connected to the EHF EMF source, and at the output At a given distance filled with radiolucent material, a reflector is located in the form of a curved (plate) metal washer, reflecting the incident EM wave at a certain angle, thereby providing a radial effect relative to the axis of the waveguide on the internal cavity, while at the same time preserving the possibility of electromagnetic radiation of EHF and along the axis waveguide due to the presence of holes in the center.

Description

The inventive apparatus relates to medical equipment, namely, devices for low-energy exposure to electromagnetic radiation (EMR) of the ultra-high-frequency (EHF) wavelength range, and can be used in punctured EHF-therapy to affect biologically active points (BAP) and reflexogenic zones (RE) .

Currently, electromagnetic radiation of the extreme high-frequency range is widely used in medical practice (EHF-therapy, millimeter-wave therapy, microresonance therapy). These methods are based on the use of low-energy coherent EHF EMP with a wavelength of 7.1 mm, 5.6 mm or 4.9 mm and a power flux density of up to 10 mW / cm ² , introducing minor disturbances in thermodynamics comparable with the thermal noise of the biological system living organism.

EHF EMR have been shown to be effective in treating a wide range of diseases, exerting a normalizing (restoring) effect on the main mechanisms of development of general pathological processes that underlie any diseases due to activation of the processes of sanogenesis, increase of adaptive reactions of the body, restoration of its regulatory functions, normalization of immunological homeostasis, improve rheological properties

blood.

A device for EHF-therapy is described in patent RU 2040928 C1, 6 A61H 39/00, A61N 5/02, publ. 08/09/95, containing a power supply, the terminals of which are connected via a pulsed current modulator with variable amplitude to an EHF generator made on an avalanche-span diode (HFD), connected through a ferrite valve and a band-pass filter to the emitter. The pulse modulator allows you to generate a noise-like signal from a harmonic monochromatic.

Common features of the analogue and the claimed device is the presence of a power supply connected through a current modulator to an EHF generator made on an avalanche-span diode.

The disadvantages of this analogue are the lack of an EHF EMR indicator in the design, the impossibility of monitoring the efficiency of HFLD during a therapeutic session, the presence of one source of EHF EMR, which makes it impossible to simultaneously affect several randomly located biological zones.

Also known apparatus for EHF-therapy, described in patent RU 2242256 C2, 7 A61N 5/02, publ. 12/20/2004, comprising a power supply, a millimeter wave electromagnetic field generator, an applicator, an EHF oscillation indicator, and a modulation unit. The modulation unit is made in the form of a low-frequency generator and provides the generation of electromagnetic waves with a fractal structure. The device allows you to reduce the number of EHF-therapy courses, extend the period of remission, reduce the output power and work in a gentle thermal mode.

Common signs of the second analogue and the claimed device are the presence of a power supply, an EHF EHF generator, an applicator, an indicator of EHF oscillations and an LF modulation unit.

The disadvantages of the second analogue are the inability to control the operability of the source of EHF EMP during the therapeutic session, the presence of one source of EHF EMP with reduced output power to ensure optimal thermal regime of the generator.

As a prototype, an apparatus for EHF-therapy was selected according to patent RU 2005510 C1, 5 A61N 5/04, publ. 01/15/1994, containing a power source installed in the housing with a control and indication unit, as well as a generator with an attenuator connected through a waveguide path with emitters, characterized in that, in order to simultaneously affect several randomly located biological zones and improve ease of use, the waveguide path is made in the form of flexible removable dielectric waveguides, each of which is connected through a transition to the corresponding output of a multi-channel power divider, the input of which is connected to a tenyuatoru. In addition, in order to provide the possibility of direct irradiation of the internal organs of a biological object, the sealed sheath of a flexible dielectric waveguide is made of bioinert material, and the diameter of the radiation spot is about 4-6 mm.

Common signs of the claimed device and prototype is the presence of a power source, control unit, display unit, generator, as well as the possibility of simultaneous exposure to electromagnetic radiation of one EHF on several randomly located biological zones. Also a common symptom is the possibility of intracavitary exposure.

The disadvantage of the prototype is the limited functional and operational capabilities, consisting in the impossibility of controlling the presence of EHF power at the output of the applicator, as well as the impossibility of simultaneously affecting several arbitrarily

located biological zones by different EHF EMPs. In addition, due to the fact that electromagnetic waves have the character of a traveling wave propagating at a speed close to the speed of light, in the direction of the axis of a flexible dielectric waveguide, the device for intracavitary exposure has the main radiation maximum along the axis (spot diameter 4-6 mm) and weak radiation in a direction perpendicular to the axis (it is practically absent), thereby limiting the scope and significantly reducing (sometimes to a complete absence) the effect of treatment with EHF EMR.

The tasks to be solved by the claimed device are as follows:

- expanding the functionality, increasing the reliability and improving the operational characteristics of the EHF-therapy apparatus, improving the usability by ensuring the optimal thermal mode of operation of the EHF EMR source and introducing the possibility of monitoring the efficiency of HFD during the therapeutic session;

- increasing the effectiveness of treatment by introducing the possibility of simultaneous exposure to different (or the same) EHF EMP on randomly located biological zones;

- increasing the effectiveness of treatment through the use of an applicator for intracavitary exposure with an expanded radiation pattern.

The technical result achieved by the implementation of the inventive device is:

- providing the possibility of simultaneous exposure to several randomly located biological zones of different (or identical) EHF through the use of three autonomous (independent) sources of electromagnetic radiation;

- creation of a new arrangement of the apparatus due to the introduction of a cooling fan into the electric circuit and the design of the EHF EMR source, which ensures the optimal thermal operation of the HFLP and eliminates the possibility of thermal breakdown of the LPD, as well as LED indicators indicating the operability of the EMR source;

- providing the possibility of exposure to EHF EMR on the internal organs of a biological object through the use of an applicator (emitter) with an expanded radiation pattern placed in an airtight shell of bioinert material.

To achieve a technical result, a design of an apparatus for EHF-therapy has been developed, consisting of a power supply unit, a control unit, an indication unit and a timer combined in one housing, and connected through the connectors of three autonomous (independent) EMI sources of different or identical EHFs, into each of which includes a cooling fan that provides optimal thermal conditions and eliminates the possibility of thermal breakdown of the LPD; LF modulator that provides frequency modulation of the carrier wave and includes elements for indicating the operability of the EMR source during the treatment session; a generator on an avalanche-span diode, to the output of which a removable applicator (emitter) is connected with an expanded radiation pattern for intracavitary exposure, which is a circular waveguide placed in a sealed sheath of bioinert material, at the output of which a reflector is located at a certain distance filled with radiolucent material in the form of a curved (dish-shaped) metal washer reflecting the incident EM wave at a certain angle, thereby providing radial air action relative to the axis of the waveguide on the internal cavity, while

at the same time, while maintaining the possibility of exposure to EHF EMF and along the axis of the waveguide due to the presence of holes in the washer.

New parts and assemblies:

- a cooling fan built into the acting head;

- elements for indicating the operability of a source of EHF EMP;

- applicator for intracavitary exposure.

New design features of parts and assemblies:

- the presence of three autonomous (independent) sources of EMP, connected to the power supply and control via connectors;

- introduction of a cooling fan into the EMR source, which ensures optimal thermal conditions and eliminates the possibility of thermal breakdown of the LPD;

- Introduction to the electric circuit of the LF modulator of the indication elements (LEDs) signaling the failure of the LPD;

- introducing an applicator into the apparatus, providing an effect on the internal cavity in a radial, relative to the longitudinal axis, direction through the use of a circular cross-sectional waveguide placed in a sealed sheath of bioinert material, at the outlet of which a reflector is located at a certain distance filled with radiolucent material, in the form of a curved (dish-shaped) metal washer, reflecting the incident EM wave at a certain angle, and the hole in the middle of the washer simultaneously allows l EHF effect along the axis of the waveguide.

New functional relationships, mutual arrangement, interaction of parts and assemblies:

- the supply voltage from the power supply and control unit through the connectors goes to the current stabilizer with elements of indication of operability of the LPD and LF modulator, which are structurally

they are included in autonomous (independent) sources of electromagnetic radiation and ensure the operating mode of the HFLD, as well as for cooling fans, which ensure the optimal thermal mode of operation of the LPD;

- EHF energy generated by GLPD is supplied to the intracavitary applicator, which is a circular waveguide placed in a sealed sheath of bioinert material, at the output of which a reflector in the form of a curved (plate) metal washer reflecting the incident EM is located at a certain distance, filled with radiolucent material wave at a certain angle, and the hole in the middle of the washer allows simultaneous EHF exposure and along the axis of the waveguide.

The material from which the parts are made:

- the waveguide and reflector are made of metal;

- sheath - from bioinert material, for example, from polyethylene;

- polystyrene is used as a radiolucent material.

New parts and assemblies, design features of parts and assemblies, their location and relationship, interaction between each other allow us to solve the problem - expanding the functionality of the apparatus for EHF-therapy and increasing the effectiveness of treatment of diseases.

The inventive device is illustrated by the description and drawings.

Figure 1 presents the functional diagram of the apparatus. The device consists of:

- a power supply, control and indication unit, in which there is a pulsed AC / DC power supply, voltage stabilizers, a microcontroller (timer), a liquid crystal indicator (LCD) that displays the operating mode, total session time and remaining time

before the end of the session, as well as indicators START, STOP, POWER INDICATOR;

- three autonomous (independent) sources of EHF EMI containing current stabilizers, LF modulators with indication elements, electromagnetic oscillation generators on avalanche-span diodes and cooling fans;

- a set of replaceable applicators (horns with protective caps to them and intracavitary waveguide).

Figure 2 presents the appearance of the apparatus.

In the upper part of the front panel of the power supply, control and indication unit there is an LCD displaying the operating mode, the total session time and the remaining time until the session ends. Below it are the PULSE DURATION and SESSION DURATION switches.

The SESSION DURATION switch sets the necessary duration of a treatment session both in a pulsed mode and in a continuous mode.

The PULSE DURATION switch sets the necessary duration of exposure and pause when operating in pulsed mode.

In the lower part of the front panel there are pushbuttons MODE SELECTION, START, STOP, POWER INDICATOR, START, STOP indicators and the place where the EHF EMR source is brought to control the presence of power is marked.

On the rear panel of the unit are the mains voltage switch, the outlet of the power cord. Three connectors for connecting EHF EMI sources are located on the front panel.

Green and red indicators are located on the body of the EHF EMI source, while the green LED is lit

and the absence of a red LED glow when power is supplied to the EHF EMP source, indicate the efficiency of the HFLD and vice versa.

The principle of operation of the apparatus. When a supply voltage is supplied from the power supply and control unit to the generator on an avalanche-span diode, electromagnetic oscillations are excited at a given wavelength, the value of which is set by the stabilizer operating current. In this case, the modulator provides a frequency modulation band from ± 20 to ± 100 MHz relative to the operating frequency. The energy of EM vibrations through the horn and protective cap enters the surface of the patient's body.

The operating mode of the device, pulse or continuous, is selected with the push-button switch MODE SELECTION and is displayed on the LCD. Session time is set by the SESSION DURATION switch. When operating in pulsed mode, the duration of the operation and pause is selected by the PULSE DURATION switch.

The horns included in the apparatus set with different aperture diameters allow influencing biological active points and zones with different intensities. The horns are equipped with insulating caps made of bioinert material that can come into contact with the surface of the patient's body.

Also, an intracavitary waveguide, the design of which is shown in FIG.

The following notation on the sketch:

1 - source of EHF EMP;

2 - an insulating cap (tight shell) of bioinert material;

3 - waveguide of circular cross section;

4 - an insert of radiolucent material;

5 - reflector.

EHF EMR from the source - 1, passing through a metallic circular waveguide - 3 and a liner of radiolucent material - 4, placed in a sealed sheath of bioinert material - 2, is reflected at a certain angle from the reflector - 5, which is a curved (plate-shaped) metal washer. Thus, the EHF effect is carried out in a direction perpendicular to the axis of the waveguide, while the hole in the center of the reflector allows simultaneous EHF exposure along the axis of the waveguide.

Thus, the claimed device is significantly different from the selected analogues and prototype, has wider functionality, improved performance and expands the field of use of EHF devices in medical practice.

Prototypes were manufactured at the enterprise, acceptance technical tests were carried out.

Information sources:

1. Patent RU 2040928 C1, 6 A61H 39/00, A61N 5/02, publ. 08/09/1995.

2. Patent RU 2242256 C2, 7 A61N 5/02, publ. 12/20/2004.

3. Patent RU 2005510 C 1, 5 A61N 5/04, publ. 01/15/1994.

Claims (1)

An apparatus for ultra-high-frequency (EHF) therapy, consisting of a power supply unit, a control unit, an indication unit and a timer, structurally integrated in one housing, and connected through the connectors of three autonomous (independent) sources of coherent EMR of different or identical EHFs, each of which includes a generator on an avalanche-span diode and low-frequency modulator, providing frequency modulation of the carrier oscillation, characterized in that, in order to ensure optimal thermal conditions, eliminate thermal breakdown and increase reliability generator operation on an avalanche-span diode (HFLD), a cooling fan and LED indicators are introduced into the design of the EHF EMR source, indicating the HFLD operability during the therapeutic session, as well as a replaceable applicator (emitter) with an expanded radiation pattern for intracavitary exposure, which is placed a circular cross-sectional waveguide into the protective hermetic sheath of bioinert material, the input of which is connected to the EHF EMF source, and at the output, at a definite At a given distance filled with radiolucent material, there is a reflector in the form of a curved (plate) metal washer that reflects the incident EM wave at a certain angle, thereby providing a radial effect relative to the axis of the waveguide on the internal cavity, while at the same time preserving the possibility of electromagnetic radiation of EHF and along the axis waveguide due to the presence of holes in the center.