Physiokey is used for patients in all age groups with a wide variety of symptoms. The handy device stimulates self-regulation through biofeedback-controlled impulses. The effect on the vegetative nervous system and thus on the body's own adjustment and regulatory processes strengthens the body’s defence and shows the body a route to self-healing. The aim of the therapy is rapid pain relief and improvement in function. For the first time, Physiokey unites two established methods of therapy: a modified form of iontophoresis can be created, the so-called “key phoresis”. Thereby, the use of an external agent (creams and salves) becomes even more efficient. In the process, the Physiokey is mobile and ready for use anywhere thanks to its size and the high-performance battery.