Electrostimulator of biologically active points. Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Electronics in medicine
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The electrical stimulator is designed to control and normalize body functions by exposing biologically active areas of the skin to a special form of weak electric current with the control of these points during exposure.
The electrostimulator is used for prevention and treatment at home, after consultation with a doctor and in compliance with all his recommendations.
The electrostimulator is powered by a "Korund" battery or a 7D-0,115-U1,1 battery.
The electrostimulator consists of a generator on the elements DD1.1 and DD1.2, a sound emitter HA1 and a light indicator VD5. The impact on active points is carried out with the help of remote electrodes included in the diagonal of the diode bridge VD1 ... VD4.
It is known that the resistance of those areas of the skin, where the active points are close to the surface, is small compared to other areas. This effect is used in the operation of the electrostimulator. In the initial state (with the power on), the generator assembled on the elements DD1.1 and DD1.2 does not work, but if a finite resistance appears between the electrodes, the generator starts to generate pulses. Indicators HA1, VD5 note this. The frequency of the generated oscillations is the higher, the lower the resistance between the electrodes. Therefore, the procedure for finding biologically active sites is reduced to finding a point on the skin when the emitter HA1 emits the highest sound.
The diode bridge VD1...VD4 is necessary in order to generate impact pulses of a certain polarity. Experts recommend acting on active points, as a rule, with a "negative" electrode. In this case, the "positive" electrode is considered common and can be located in the arm or in a place indicated by the doctor. Your doctor may recommend other options.
Chip K561LA9 can be replaced by K176LA9. Diodes KD522B are replaced by any of the series KD520, KD521. LED AL307B may be with a different letter. Emitter HA1 is replaced by ZP1; ZP2; ZP4; ZP5.
Author: M.Chupuksaev, Sverdlovsk region, Kachkanar; Publication: N. Bolshakov, rf.atnn.ru
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