Endocavity Histotripsy for Efficient Tissue Ablation–Transducer Design and Characterization

Greyson E Stocker,Man Zhang,Zhen Xu,Timothy L Hall

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control（2021）

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摘要

A 34-mm aperture transducer was designed and tested for proof of concept to ablate tissues using an endocavity histotripsy device. Several materials and two drivers were modeled and tested to determine an effective piezoelectric–matching layer combination and driver design. The resulting transducer was fabricated using 1.5 MHz porous PZT and PerFORM 3-D printed acoustic lenses and was driven with ...

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关键词

Transducers,Acoustics,Surface impedance,Lenses,Voltage measurement,Three-dimensional displays,Testing

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