SU1076123A1 - Apparatus for treatment of vascular diseases - Google Patents

Abstract

DEVICE FOR TREATING VASCULAR DISEASES, containing series-connected pulse sensor, amplifier, first differentiating circuit, RS trigger, second differentiating circuit, pulse distributor, stimulating pulse generator, and pulse electrodes, as well as a clock pulse generator connected to the RS input -trigger on the input of the distributor, the first display element connected to the output of the RS flip-flop, the second display element connected through the circuit I to the input of the first differentiating circuit. And the output of the distribution pulse puller, characterized in that, in order to increase the accuracy of the stimulation process, a serially connected frequency divider, a first counting trigger, a phase detector and an integrating circuit, the output of which is connected to a clock pulse generator connected to the frequency divider input, are entered into it The second counting trigger, the input of which is connected to the output of the first differentiating circuit (L and the output - to the input of the phase detector.

Description

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FIELD OF THE INVENTION The invention relates to melicim technique, namely to electrostimulators of the neurovascular system.

A device for treating vascular diseases is known, comprising a serially connected sensor of impulses, an amplifier, a first differentiating price, a pulse distributor, a shaper of stimulating pulse packs and electrodes, a clock generator, RS-triggers, a second differentiating circuit, the I 1 circuit.

A disadvantage of the known device is the low degree of accuracy of the setting of the stimulation phase in violation of the heart rate. The purpose of the invention is to increase the accuracy of the stimulation process.

This goal is achieved in that a device for treating vascular diseases, containing successively connected pulse sensors, an amplifier, a first differentiating circuit, an RS trigger, a second differentiating circuit, a pulse distributor, a driver of stimulus pulses and electrodes, as well as a clock pulse generator connected to the R-input of the RS flip-flop and the input of the distributor, the first display element connected to the output of the RS-flip-flop, the second display element connected through the circuit I to the input of the first differential the scrolling circuit and the output of the pulse distributor, the serially connected frequency divider, the first counting trigger, the phase detector and the integrating circuit, the output of which is connected to the clock pulse generator connected to the input of the frequency splitter, are entered, and the second counting trigger is inputted which is connected to the output of the first differential circuit, and the output - with the input of the phase detector.

FIG. 1 shows a functional diagram of the device; in fig. 2 - stress diagrams.

The device for treating vascular diseases includes a pulse sensor 1, a booster driver 2, a first differentiating circuit 3, a trigger 4, a second differentiating circuit 5, a distributor of pulses, a shaper of pack 7: multiplying pulses, stimulating electrodes 8, a clock pulse generator 9, the first 10 and second 11 elements of the display, the circuit And 12, the divider frequency 13, the first 14 and the second 15 counting trigger | , phase detector 16, integrating circuit 17. Shaper 7 packs of stimulating pulses contains software 18, switch 19 pulses, generator 20 pulses of low frequency, generator 21 pulses of high frequency, unit 22 matching.

A device for treating vascular diseases works as follows.

A pulse sensor 1, mounted on a patient, generates an electrocardiogram or pulse wave signal, which, after amplification and shaping in amplifier 1 and separating the leading front by differentiating circuit 3, sets RS flip-flop 4 to a single state. The first pulse from the 9-clock generator, the RS trigger 4, returns to its original state. The trigger 4 on each pulse wave produces a pulse, which excites the glow of the first element 10 of the display.

At the back of the pulse of the RS flip-flop 4 after the second differentiating circuit 5, the pulse distributor 6 is set to the zero state and then generates time-distributed pulses at the outputs, synchronized by the generator pulses 9. These pulses are sent to the driver 7 packs of stimulating pulses, which by means of electrodes 8 come to the patient. The temporary position of the pulse bursts is set by the shaper of 7 packs of stimulating pulses. In order for the position of the pulse bursts to be proportional to the pulse period (as measured), the pulse period of the clock generator must also vary in proportion to the pulse period.

The pulses of the 9-clock pulse generator are divided by frequency by an integer number using the splitter 13 frequency and converted to square wave squares using the first counting trigger 14. The pulses from the output of the first differentiating circuit 3 are also converted into square wave rectangular pulses by means of a second counting trigger 15. The pulses from the outputs of the first 14 and second 15 triggers are fed to a digital phase detector, which is an EXCLUSIVE OR logic, generating a single pulse at the output if there are two zeros or two ones at the inputs. The output pulses of the phase detector 16 are time-averaged by the integrating circuit 17 and are fed to the input, controlling the frequency of the generator 9 clock pulses. When the frequency of the pulses at the output of the first differentiating circuit 3 and the frequency of the pulses at the output of the splitter 13 are equal and phase-shifted by half a period, the frequencies of the pulses at the outputs of the first 14 and second 15 flip-flops are shifted by a quarter period. In this case, the pulses of the phase detector in the positive and negative half-waves are equal. The voltage at the output of the integrating circuit 17 is of such magnitude that

a clock pulse generator 9 produces pulses with a frequency, the period of which is placed in the pulse period an integer number of times equal to the division factor of the frequency divider 13. When the patient's pulse rate changes, the voltage at the output of the integrating circuit 17 changes until the generator frequency of 9 clock pulses is set so that the phase shift of the pulses from the outputs of the trigger 14 and 15 becomes equal to a quarter of the period. In this case, in the pulse period, an integer number of pulse periods of the generator 9, equal to the division factor of the frequency divider 13, always stacks.

Shaper 7 packs of stimulating pulses contains a software device 18, in which the position of the bursts of pulses is established. Switch 19 pulses on the signals of the software device

commutes then the pulses of the generator 20 pulses of low frequency, the pulses of the generator of pulses of high frequency. Bundles of low-frequency (80-100 Hz) and high-frequency (800-1000 Hz) pulses are matched by electrical parameters (amplitude, shape, polarity, etc.) with the load by the matching unit 22 and applied to the patient during treatment with the stimulating electrodes 8.

The proposed device for the treatment of vascular diseases has a high phase maintenance accuracy and a short phase setting time when the patient’s pulse rate changes during the treatment process and makes it possible to effectively treat vascular diseases of the extremities and the brain without autonomic responses. YcTpoficTBo has maximum effectiveness during long treatment sessions, since it does not require manual adjustments during the treatment process.

Claims (1)

DEVICE FOR TREATMENT OF VASCULAR DISEASES, containing serially connected pulse sensor, amplifier, first differentiating circuit, RS-trigger, second differentiating circuit, pulse distributor, stimulator pulse generator and electrodes, as well as a clock generator connected to R- the input of the RS-trigger and the input of the distributor, the first indication element connected to the output of the RS-trigger, the second indication element connected through the circuit AND to the input of the first differentiating circuit and the output of the distributor pulses, characterized in that, in order to improve the accuracy of the stimulation process, a series-connected frequency divider, a first counting trigger, a phase detector and an integrating circuit are inserted into it, the output of which is connected to a clock generator connected to the input of the frequency divider, and the second a counting trigger, the input of which is connected to the g output of the first differentiating circuit, ~ and the output is connected to the input of the phase detector. phg. 1 SU „, 1076123> ί076123