Fizio Aktiv

Sonopuls 492 is a combined device that contains the functions of the Endomed 482 and Sonopuls 490 devices. With the Sonopuls 492 device, it is possible to apply ultrasound and electrotherapy (combined therapy) at the same time. The remaining electrotherapy channel can be used independently.
Sonopuls 492 is a portable device that can be used both in the outpatient clinic and in home care next to the patient's bed.

Purpose of use

Pain treatment

Symptomatic reduction of chronic intractable pain. Treatment of pain with posttraumatic and postoperative conditions.
Muscle stimulation

  • Relaxation of muscle spasm
  • Prevention or atrophy due to impaired development
  • Increased local blood circulation
  • Muscle re-education
  • Urgent post-surgical stimulation of the leg leaf muscles to prevent venous thrombosis
  • Maintaining or increasing movement levels

Current shapes of waves

With the interference current type, the medium frequency carrier frequency is used to pass the low frequency stimulation through the skin. The relatively low resistance of the skin to the carrier frequency contributes to the comfort of the patient, which is often associated with this type of current. There are several variations of the interference currents available in the 6 series:

  • Classic interference
  • Isoplanar vector
  • Manual dipole vector
  • Automatic dipole vector

Asymmetric and alternating asymmetric
“Burst” asymmetric and “burst” alternately asymmetric
Burst symmetrical

As with interference currents, the medium carrier frequency is used to stimulate the low frequency (beat) to pass through the skin. “Premodulated” means that amplitude modulation occurs in the apparatus, allowing a single pair of electrodes to be applied.

Premodulated alternating current is often used to strengthen a muscle and change the distribution of a muscle fiber (spasm rate). The heart rate is used to cause the distribution of muscle fibers. At a low heart rate (up to 20 Hz) the muscle becomes "red", while at a higher heart rate it becomes "white". This can be used to increase the explosive release of energy in "high jumpers" by providing supplementation with functional exercises. The most pleasant tetanic contractions are obtained at a heart rate of 40 - 80 Hz.

This type of current is an intermittent alternating current with a carrier frequency of about 2500 Hz. Kots, a lecturer in sports medicine at the Moscow State Academy, was the first to use Russian stimulation. Kots used it to strengthen prosthetics and to train Russian cosmonauts. With this technique, electrical stimulation is applied to both individual muscles and muscle groups (either directly or via nerves).

Microcurrent is a monophasic rectangular waveform with manually selective or alternating polarity. Many therapists prefer micro current due to the use of low current amplitudes. Alternating polarity can be used to average the DC component, by reducing the formation of electrolysis by-products.

This type of current has a single-phase waveform with a double peak with a fixed duration of 64 microseconds between two voltage peaks. The amplitude is adjusted in volts rather than milliamperes. The short increase in time and short duration of each voltage peak (about 7 microseconds) corresponds to nerve stimulation and efficient differentiation between sensory, motor and painful reactions.

The very short duration of the high voltage pulse creates a stimulation that is quite pleasant and that patients can tolerate. A very short pulse duration followed by very long intervals eliminates the formation of chemical or thermal effects in the tissue. High voltage is used to stimulate nerves and muscles, causing muscle contractions. Examples of clinical practice are the treatment of acute and chronic pain, absorption of edema and healing of ulcers.

Dujadynamic currents were introduced by Bernard and thus gained a significant place in the history of European physiotherapy. Diadynamic currents are mainly used to reduce pain and improve blood circulation.
The following variations are available:
MF is a vibrating waveform that easily causes contractions.

DF is usually perceived as a slight vibration. It is a pleasant waveform that is often used as an introduction to CP or LP.

LP In the DF phase, the intervals between MF pulses are filled with additional pulses with a gradual increase and decrease in amplitude. LP is smoother than CP.

CP is a rapid alternation between one second of MF current and one second of DF current CP has a strong resorptive effect.

CPid It is identical to the CP form, except that the current amplitude during the MF phase is 12.5% lower than during the DF.

IG currents are triangular pulse currents. IG currents can be used to control pain and improve circulation.

Direct galvanic current

Galvanic current works when combined with properly ionizing / electrically charged solutions (i.e., these are ions that carry positive or negative electric charges, or will be ionized by electricity).

This allows the skin to be able to absorb serums in the intracellular spaces in the dermis. The absorption process is called iontophoresis because electric currents literally carry ions into the tissues between the cells.

MF switching galvanic current

Medium frequency intermittent galvanic current is a single-phase rectangular waveform with a pulse frequency of 8000 Hz and a duty cycle of 90%. In contrast to direct current galvanic current, the pulsed waveform provides patient comfort.

Farad currents are often used for diagnostic-based muscle stimulation applications. The diagnostic goal is to obtain information on the sensitivity of the neuromuscular apparatus to electrical stimulation.

This gives an indication of the degree of denervation of the muscle tissue.