Multi-cavity balloon catheter based on shock waves

The utility model discloses a multi-cavity type balloon catheter based on shock wave, which comprises a catheter, a balloon, at least two electrode rings and a catheter seat, the near-end edge and/or the far-end edge of each electrode ring are/is provided with a ring groove, the catheter is provided with a lead group, the lead group comprises at least one positive lead and at least one negative lead, an exposed area is arranged at the position, opposite to one annular groove of at least one electrode ring, of the positive electrode wire, an exposed area is arranged at the position, opposite to the annular groove of at least one electrode ring, of the negative electrode wire, and a connecting wire is arranged between the two electrode rings. The near end and the far end of the connecting wire are provided with exposed areas which are opposite to the annular grooves in the two electrode rings and expose the metal cable, and discharging gaps are formed between at least the exposed areas in the wire set and the c