Device for photomagnetic stimulation of the optic nerve

 

(57) Abstract:

The invention relates to medicine, namely to neuro-ophthalmology. The technical result is to increase the effectiveness of treatment. Device for photomagnetic stimulation of the optic nerve contains the pulse generator current with S-shaped leading edge duration 26-30 MS, the duration of the trailing edge is less than 5 MS, 300 MS or more, the frequency of 0.5-40 Hz. The generator is connected with the control unit, an inductor with a magnetic core N - or C-shaped with the distance between the poles in the range of 50-200 mm and a diameter of 10-20 mm control Unit connected to photostimulation and power supply. 2 Il.

The invention relates to medicine, namely to neuro-ophthalmology. A device for electromagnetic stimulation of the optic nerve. (Patent RU 2142296 S1). Its disadvantage is the limitation of the frequency therapeutic effects up to 1 Hz and less, which reduces the effectiveness of treatment and requires a more long-term therapeutic effects. In addition, the shape of the inductor magnetic field (MT) does not allow to fully form suitable configuration irradiating the optic nerve (MN) of the magnetic field penetrating into remote from the surface the treatment of MALIGNANCIES.

The technical result is achieved in that the device for stimulation of the optic nerve contains the control unit, power supply, pulse generator, an inductor with a magnetic core coupled with a pulse generator connected to the control unit, according to the invention is equipped with photostimulation associated with the control unit, the pulse generator are S-shaped leading edge with a duration of 26 to 30 MS, the duration of the trailing edge is less than 5 msec or more than 300 MS, a frequency of 0.5-40 Hz, while the magnetic core has a U - or C-shaped with the distance between the poles in the range of 50-200 mm and a diameter of 10-20 mm, and the amplitude of the magnetic field 10-80 T.

The invention is illustrated in Fig. 1 and Fig. 2, which shows respectively a block diagram of the device and temporal distribution of the pulses of the magnetic induction induced by them electromotive force (EMF) in MN during the passage of the waves of excitation caused by photostimulation part of the retina.

In Fig. 1 shows the housing 1, the control unit 2, the pulse generator 3, an inductor 4, the magnetic core 5, photostimulator 6, the power supply unit 7.

The control unit 2 is to negotiate temporary phase photo - and magneto is m 5 pulses of magnetic induction amplitude 10-80 MT.

The magnetic core 5 with P - or S-shaped form provides for the formation of the magnetic field in the working area between its two poles for brain stimulation of the patient.

Photostimulator 6 provides photostimulation top or bottom hemisphere of the retina for the formation of ZN wave excitation.

The power supply unit 7 supplies the required electrical voltages and currents in the control unit 2, the pulse generator 3 and photostimulator 6.

In Fig. 2 shows a diagram of the temporal relation between induced in the coil 4, the magnetic core 5 by 8 pulses of the magnetic field induced in conductive environments MN electromotive force 9, and held in MN wave excitation 10, which represents an increase in the frequency of action potentials (APS) at the elementary nerve fibers, which was caused implemented earlier by photic stimulation of the retina. It is seen that the induced EMF is consistent with the wave excitation ZN and thus statistically the greatest number of elementary fibers of the optic nerve of the values of the local currents, causing propagation along nerve separate DD, shift upwards.

The device operates as follows.

After racta on the surface of the head, and enable photostimulator 6 is exposed to flashes of light visible red range on the part of the hemisphere of the retina, consistently at the top, bottom, temporal and nasal. Each part is stimulated for 5 minutes. Stimulation is produced as follows: when the location of the poles of the magnetic circuit 5 in the temporal part of the projections of the right-ZN, upon excitation of the upper hemisphere of the retina using photostimulation, to strengthen local currents electrophysiological processes in the vicinity of propagating APS in the excitation wave passing near the poles of the bipolar inductor generated by the device, the pulse magnetic induction must be N-polarity. For symmetrically located point projection of the left-ZN - S-polarity, etc.

Thus, after the implementation of photomagnetism achieved positive therapeutic effect.

Device for stimulation of the optic nerve, which contains the control unit, power supply, pulse generator, an inductor with a magnetic core coupled with a pulse generator connected to the control unit, characterized in that it is provided with photostimulation associated with block pravega front of less than 5 MS, 300 MS or more, the frequency of 0.5-40 Hz, and the magnetic core has a U or C-shaped with the distance between the poles in the range of 50-200 mm and a diameter of 10-20 mm, and the amplitude of the magnetic field 10-80 MT.

 

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