Abstract: An apparatus for physiotherapeutic treatment of cells and tissues in a living body by directly inducing the magnetic energy of a magnetic field into the body in order to cure or stimulate repair of the treated body part. The magnetic field is generated by an induction coil having a solenoid with a substantially linear core fixed therein. The coil has a length of at least twice the length of the core diameter. The apparatus further comprises an electric current generator for feeding the coil.