Blood pump and driving device thereof

A driving device, comprising:

• a driving housing;
• a rotor comprising a rotating shaft and a first magnet, an end of the rotating shaft being accommodated in the driving housing, the first magnet being fixedly connected to the rotating shaft;
• and
• a stator mechanism accommodated in the driving housing, the stator mechanism comprising a driving stator, the driving stator and the rotating shaft being spaced along an axis of the rotating shaft, the driving stator being capable of generating a rotating magnetic field interacting with the first magnet, such that the first magnet is capable of driving the rotating shaft to rotate about the axis of the rotating shaft,
• wherein the stator mechanism further comprises a power stator, the power stator and the driving stator are provided along the axis of the rotating shaft, the rotating shaft is capable of rotatably extending through the power stator, the rotor further comprises a second magnet fixedly connected to the rotating shaft, and the power stator is capable of generating a rotating magnetic field interacting with the second magnet.