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Tens unit for sciatica

Tens unit for sciatica principle:

The central control part simultaneously generates S1-Sn positive and negative pulses. The width, interval time and amplitude of each pulse are adjustable. The pulse shaping part combines the waveforms of S1-Sn and outputs the signals at high voltage. The negative pulse in the combined waveform is used to compensate the ultrasonic residual wave generated by the positive pulse and the pulse width is adjusted to adapt to different frequency transducers. Experiments can obviously improve the penetration and resolution of the ultrasonic source.

Tens unit for sciatica use:

1. Hydraulic pulse generator The hydraulic pulse generator comprises a hydraulic pneumatic accumulator (2) mounted on the inlet pipe (1), which is connected to the oscillating generator (4) via a first conduit (3) The oscillation generator is connected to the water flow transducer (6) through a second duct (5). The water flow converter includes a working nozzle (7) and a drainage nozzle (8). The second conduit (5) is formed by connecting at least two tubes (9, 10) of different diameters, the diameter of the previous section (9) being twice the diameter of the latter section (10).

2, high-voltage pulse generator adjustable wide nano-second combination of high-voltage pulse generator

The utility model relates to a nanosecond pulse generator, which can be used as a source of ultrasonic generator. Designed to improve the aftermath and adapt to different frequency transducers. By the central control, pulse formation and power of the three components. The central control part simultaneously generates S1-Sn positive and negative pulses. The width, interval time and amplitude of each pulse are adjustable. The pulse shaping part combines the waveforms of S1-Sn and outputs the signals at high voltage. The negative pulse in the combined waveform is used to compensate the ultrasonic residual wave generated by the positive pulse and the pulse width is adjusted to adapt to different frequency transducers. Experiments can obviously improve the penetration and resolution of the ultrasonic source.