NEURODYN EVOLUTION is a sophisticated device that has been designed to collate to the technical standards required by medical devices with low frequency. Used for electrical stimulation, this micromachined device makes use of the highest technology to conduct operations in electrotherapy and manometric biofeedback. Irrespective of whether it is computerized or not, this program is a simple operation. The tingling sensation that people generally feel when the program is running is considerably acceptable. When computerized, its operations can be managed by a keyboard, where an LCD display displays the treatment mode selected by the therapist. In a computerized mode, different frequencies and parameters can be easily set.