The present invention relates to a treatment device for generating a time-varying magnetic field for shaping a patient's body, the control unit 42, at least one connection to at least one energy source (33, 38), at least one energy storage device ( 35, 40), at least one switching device (34, 39), and a plurality of applicators, each of the applicators comprising a casing (6) and a magnetic field generating device (36, 41)； Each applicator is configured to be kept in direct contact with the patient by a positioning member, the body region comprising a thigh； Consisting of a saddleback, buttocks, abdomen, hips, belly area or arms； At least one energy storage device 35, 40 having a capacitance ranging from 5 nF to 100 mF is charged by at least one energy source 33, 38 with a voltage of at least 100 V and inductance ranging from 1 nH to 500 mH By providing a current of at least 100 A to a plurality of magnetic field generating devices (36, 41) having a magnetic flux density in the range of 0.5 to 7 Tesla, a repetition rate in the range of 1 to 700 Hz, an impulse period in the range of 3 to 3000 Hz, at least 300 The control unit 42 is configured to generate impulses of a plurality of time-varying magnetic fields having a maximum value of a magnetic flux density derivative of T / s to 800 kT / s and a magnetic fluence in the range of 70 to 60000 Tcm 2 , and the control unit 42 Energy from the energy storage devices 35, 40 of the plurality of magnetic field generators 36, 41 or from at least one energy storage device 35, 40 of the plurality of magnetic field generators 36, 41 Not provide Or switching devices 34, 39 to form a plurality of magnetic pulses each consisting of one impulse of a time-varying magnetic field sufficient to induce muscle contraction and insufficient magnetic field to induce muscle contraction by providing insufficient energy. ) Is repeatedly configured to switch on and off, and the control unit 42 combines a plurality of subsequent magnetic pulses in
