RU2301089C2 - Device for stimulation of reparative regeneration of bone stock - Google Patents

Abstract

FIELD: medicine.

SUBSTANCE: device has first and second members of influence, first and second self-contained generators, first and second control circuits and power supply. Members of influence are made for formation of lateral electromagnet field each in form of two inductance coils; windings of coils are connected in series. Members of influence are introduced into oscillation circuit of any self-contained generator. Control circuits are connected to self-contained generators. Any member of influence is provided with dielectric base made in form of plate curved in center at angle of 120-150 degrees. Inductance coils are fastened to base. Winding of any coil is placed onto flat dielectric frame. Self-contained generator and control circuit are disposed at backside of any base. Bases are connected together by means of braid for change in distance between members of influence. Power supply is capable of forming pulsing voltage with frequency of pulsations of 50-100 Hz and self-contained generators of members of influence are capable of forming sinusoidal oscillations with carrier frequency within 200-500 kHz. Carrier frequencies 1,1-1,2 times differ from each other.

EFFECT: widened exploitation characteristics; improved medicinal efficiency.

5 dwg

Description

The invention relates to medicine, namely to traumatology and orthopedics.

There is a method of stimulating the reparative regeneration of bone tissue by repeated exposure to a diseased area of the limb in the postoperative period by high-frequency electromagnetic waves through an exposure element [1].

The impact element is made in the form of a winding of an inductor, which is an integral part of an oscillating LC circuit.

The impact is carried out in a non-contact way by placing the diseased portion of the limb in the field of the winding of the inductance coil of the exposure element. If an inductor is used as an element of influence, the winding of which is placed on a cylindrical frame, a longitudinal electromagnetic field will affect the patient's limb.

If the patient has an osteosynthesis apparatus, it is necessary that the exposure element have an inductor with a detachable winding.

In this case, the exposure element can be performed in accordance with RF patent No. 157601 [2].

Medical practice has shown that in order to increase the therapeutic effect on a diseased limb, it is necessary to influence electromagnetic oscillations both longitudinal and transverse.

A device is known for stimulating reparative regeneration of bone tissue, containing a power source and an exposure element forming a longitudinal electromagnetic field and made in the form of an inductor, as well as a second exposure element forming a transverse electromagnetic field and made in the form of two inductors connected in series and according to.

The device contains two oscillators, in which an influence element is included in the oscillating circuit, respectively.

Impact elements are combined into one functional block [3].

The device is successfully used when there is a plaster cast on the diseased limb or without a bandage.

In the presence of a device for osteosynthesis on a diseased limb, a known device cannot be used.

Thus, the known device has limited operational capabilities.

The objective of the invention is the expansion of operational capabilities.

This is achieved by the fact that in the device for stimulating the reparative regeneration of bone tissue, which contains a first exposure element forming a transverse electromagnetic field, made in the form of two inductors, the windings of which are connected in series and according to, and the second exposure element combined into a single functional unit, the first and second oscillators, in the oscillatory circuit of each of which is included the corresponding exposure element, the first and second control circuits connected respectively to the first and second oscillator, and the power source to which the oscillators are connected, according to the invention, the second exposure element is configured to form a transverse electromagnetic field in the form of two inductors, the windings of which are connected in series and, according to, each exposure element is equipped with a dielectric base made in in the form of a plate bent in the center at an angle of 120-150 °, on which the inductance coils are fixed, at each coil the winding is placed on a flat dielectric arc, on the back of each base there is a self-oscillator and a control circuit, the bases are interconnected by a braid with the possibility of changing the distance between the influence elements, the power source has the ability to generate a ripple voltage with a ripple frequency of 50-100 Hz, and the oscillators of the influence elements are sinusoidal oscillations with a carrier frequency in the range of 200-500 kHz, while the carrier frequencies differ from each other by 1.1-1.2 times.

The essence of the invention lies in the fact that the device contains two exposure elements, each of which forms a transverse electromagnetic field, structurally the exposure elements are combined into a single functional unit with the ability to change the distance between them.

Impact elements form a high-frequency pulsating electromagnetic field.

Figure 1 shows a functional diagram of a device for stimulating reparative regeneration of bone tissue; figure 2 shows the element of the impact Assembly; figure 3 shows the device assembly.

The device contains impact elements 1 and 2. Impact element 1 contains an oscillator 3, in the oscillatory circuit of which is included a capacitor 4 and inductors 5 and 6. The windings of the coils 5 and 6 are connected in series and according to. A control circuit is connected to the oscillator 3, comprising an amplitude detector 7 connected in series, a DC amplifier 8, and a light indicator 9.

The oscillator 3 generates sinusoidal oscillations with a carrier frequency F ₁ . The carrier frequency of the oscillator is determined by the capacitance of the capacitor 4 and the total inductance of the coils 5 and 6.

The windings of coils 5 and 6 act as emitters of the action element 1.

Impact element 2 contains a self-oscillator 10, in the oscillatory circuit of which is included a capacitor 11 and inductors 12 and 13. The windings of the coils 12 and 13 are connected in series and according to.

A control circuit comprising a series-connected amplitude detector 14, a DC amplifier 15, and a light indicator 16 is connected to the oscillator circuit 10.

The oscillator 10 generates sinusoidal oscillations with a carrier frequency of F ₂ . The carrier frequency of the oscillator is determined by the capacitance of the capacitor 11 and the total inductance of the coils 12 and 13. Frequency F ₂ = F ₁ · (1.1-1.2).

The circuit elements of the oscillator 3, the amplitude detector 7 and the DC amplifier 8 are combined and made in the form of a hybrid circuit 17. The device contains a power source 18, which generates a ripple voltage with a ripple frequency of 50-100 Hz.

Elements 1 and 2 form a pulsating electromagnetic field with carrier frequencies F ₁ and F ₂ .

Figure 2 shows the impact element assembly.

The exposure element contains a base 19, which is made in the form of a dielectric plate, curved in the center at an angle of 120-150 °.

Flat dielectric frames 20 and 21 are installed on the base, on which the windings of inductors 5 and 6 are placed.

Each of the inductors contains a frame made in the form of petals arranged radially with gaps and a winding.

The winding is made in the form of a spiral. The wire of each coil of the spiral alternately bends around all the petals, while from wire to coil the wire bends around one or the other side of each petal. The number of petals is odd. The outer diameter of the frame is 80 mm, the minimum diameter of the first turn is 15 mm. The winding is made by a power line wire 12 × 0.07. Coil windings are connected in series and in accordance. The coils are closed by dielectric housings 22 and 23.

A dielectric housing 24 is mounted on the opposite side of the base 19, in which a hybrid circuit 17, a capacitor 4, and a light indicator 9 are placed. The terminals of the hybrid circuit 17 are connected to the terminals of a capacitor 4, coils 5 and 6, a light indicator 9, and cable conductors 25 that connects the element impact with the power source 18. The power source 18 can be made in the form of a network adapter.

The housing 24 is closed by a dielectric cover 26, segments of the tape 27 and 28 are attached to the ends of the base 19.

The length of each segment is 250-300 mm, the width is 35 mm, for the elements of influence the braid LBS - 30, TU 17 of the RSFSR 44-11.01.4 - 85 are used.

Figure 3 shows the device assembly.

The device contains exposure elements 1 and 2.

Impact element 2 contains a base 29 on which inductors 12 and 13 are installed, closed by housings 30 and 31, a hybrid circuit 17, a capacitor 11, a light indicator 16 are installed in the housing 32. The housing 32 is closed by a cover 33. Elements placed in the housing 32, by means of a cable 34 they are connected to a power source 18. The impact element 2 is equipped with pieces of braid 35 and 36, which are fixed at the ends of the base 29. The ends of the braid of the action elements 1 and 2 are tucked into the clips 37 and 38, each of which is equipped with a locking screw 39 and 40. The latches performed us with the possibility of movement, which allows you to adjust the device perimeter.

The width of each base is 82 mm, the length is 240 mm. The device allows you to place the elements of influence inside the osteosynthesis apparatus, in which the distance between the spokes of adjacent rings is more than 85 mm.

The device operates as follows.

Having removed the clamps, the exposure elements 1 and 2 are placed on the diseased limb over the area of the bone defect, which is previously covered with a tissue napkin.

The ends of each piece of tape 27, 26, 35 and 36 are passed into the slot of the clips 37 and 38. Set the required perimeter of the device. The latches 37 and 38 are secured with fixing screws 39 and 40.

Turn on the power source 18 in the network.

Each of the elements of the action emits into the space a pulsating electromagnetic field with its own carrier frequency.

The magnitude of the electric field at the surface of each radiating element may be in the range of 0.5-3.0 V / m

The device may include a timer with an audio indication element and an attenuator, which sets the required value of the supply voltage of the oscillators, which allows you to adjust the magnitude of the electric field.

After the procedure expires, turn off the power source.

The clips 37 and 38 are removed. The elements of influence are removed from the diseased limb.

The proposed device can be used to stimulate the reparative regeneration of bone tissue in conjunction with a device made according to the patent of the Russian Federation No. 2157601.

The proposed device is stimulated by exposure to a transverse electromagnetic field, the device according to the patent of the Russian Federation No. 2157601 - by a longitudinal electromagnetic field. Both devices are universal. For the first and second devices, the perimeter is adjustable.

The proposed device contains 4 inductive emitters that emit a wide range of frequencies. A complex electromagnetic field acts on the biological object, which increases the therapeutic effect and helps to reduce the duration of treatment.

The proposed device, having a variable perimeter, has advanced operational capabilities. The device can be used with or without osteosynthesis apparatus. It can be used both to stimulate osteosynthesis of the lower leg, and to stimulate osteosynthesis of the thigh. The proposed device has been tested in clinics of Omsk.

Tests have confirmed the wide operational capabilities of the devices and its therapeutic effectiveness.

Figures 4 and 5 show photographs of the current device in expanded and assembled form.

Information sources

1. RF patent No. 2165272, cl. 7 A61N 2/04.

2. RF patent No. 2157601, cl. 7 H05K 1/16, 7/10.

3. RF patent No. 2221603, cl. 7 A61N 2/02.

Claims (1)

A device for stimulating the reparative regeneration of bone tissue, which contains a first exposure element forming a transverse electromagnetic field, made in the form of two inductors, the windings of which are connected in series and according to, and a second exposure element combined into a single functional unit, the first and second auto-generators, in the oscillatory circuit of each of which includes the corresponding exposure element, the first and second control circuit, connected respectively to the first and second autogas a nerator, and a power source, to which the oscillators are connected, characterized in that the second exposure element is configured to form a transverse electromagnetic field in the form of two inductors, the windings of which are connected in series and, according to each element of exposure is provided with a dielectric base made in the form of a plate, bent in the center at an angle of 120-150 °, on which the inductance coils are fixed, at each coil the winding is placed on a flat dielectric frame, on the reverse side Each base has a self-oscillator and a control circuit, the bases are interconnected by tape to change the distance between the exposure elements, the power source has the ability to generate a ripple voltage with a ripple frequency of 50-100 Hz, and the oscillators of the exposure elements have sinusoidal oscillations with a carrier frequency of the range of 200-500 kHz, while the carrier frequencies differ from each other by 1.1-1.2 times.

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