Transducer with laminated structure

The invention relates to a transducer with laminated structures, which comprises m laminated structures, and m is greater than or equal to 3. The laminated structures are arranged at intervals from the near end to the far end, the interval between the i < th > laminated structure and the (i + 1) < th > laminated structure is smaller than or equal to the interval between the (i + 1) < th > laminated structure and the (i + 2) < th > laminated structure, i = 1,..., m-2, and the larger i is, the closer to the far end is. The transducer is simple in structure, and the problems that the manufacturing process of collinear metal sheets of a laminated structure of an existing thrombolysis catheter transducer is complex, the overall manufacturing difficulty and cost of the transducer are high, the interval of the laminated structure is fixed, and the thrombolysis effects of the near end and the far end of the catheter are not consistent are effectively solved. 本发明涉及一种具有叠层结构的换能器，包括m个叠层结构，m≥3；叠层结构从近端到远端间距排列，且第i个叠层结构与第i+1