The invention relates to a device that can be used to expose a person to a magnetic field, including an insulating belt to be placed in contact with a part of the body of the person, at least one substantially rectangular, flat dipole antenna emitting a magnetic field over a vector perpendicular to the surface thereof, the antenna being arranged longitudinally on the belt in the lengthwise direction thereof, and a power source for supplying the antenna with AC or pulsed power.
