This creation is generating high magnetic flux density pulse electromagnetic field with c-type electromagnet, the device treating the damage of os osseum and cartilage using what or degenerating (as shown in the first figure), it is to be constituted using a power supply, an excitation portion and a control unit, it is to carry out bulky capacitor storage Hou using smaller constant current, repid discharge is executed with RLC damped oscillation principle, to generate moment (about 5 milliseconds) big magnetic flux density, for adjustable 0.05 ~ 1.5 tesla (Tesla, hereinafter referred to as " T ") uniform magnetic field.Wherein,The power supply system include a high voltage transformer,One high voltage rectifier,One PWM (pulse width modulation) driver,One high voltage solid-state switch,One bulky capacitor group,DC high voltage is generated by high voltage transformer and high voltage rectifier,Constant current-constant-voltage charge control of PWM mode is implemented by pwm driver and high voltage solid-state switch again,It charges to bulky capacitor group,Big energy energy-storage function is constituted,Purpose avoids power input from generating current spikes when what charges,And reach the effect of reducing power consumption,And one can be with the silicon control commutator (SCR) of repid discharge； The system, excitation portion include a c-type electromagnetic core,A pair of of magnetizing coil and a treatment carrier,For generating high magnetic flux density pulse electromagnetic field,With the treatment for executing the damage of biology (containing human body and animal) four limbs os osseum and cartilage or degenerating； The control unit system includes a central control unit and an operation panel,For execute electric power starting,Operation control (starting/stopping of device operation,Operation count setting and the setting of electromagnet temperature etc.),Reception capacitance voltage signal,Temperature signal etc.,And export charge/discharge
