Therapeutic apparatus and devices for conducting magnetic field therapies, particularly stationary and portable magnetic field therapy systems composed primarily of electromagnetic therapy apparatus; medical electrodes; magnets for medical purposes; therapeutic apparatus and devices for conducting light therapies; therapeutic apparatus and devices for conducting electrostimulation therapies; accessories for the aforesaid apparatus and devices, included in this class, in particular electrodes for therapeutic use, isolation pads, magnetic concentration paddles, magnetic rings; medical products, namely, beds, cushions, blankets, bars and belts for therapeutic use; electrical systems for therapeutic use composed primarily of electrodes for therapeutic purposes