ArticleProceedings of meetings on acoustics. Acoustical Society of America2017
Reconstruction of nonlinear ultrasound field of an annular therapeutic array from acoustic holograms of its individual elements.
Article in Proceedings of meetings on acoustics. Acoustical Society of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- Synthesized acoustic holography: A method to evaluate steering and focusing performance of ultrasound arrays.The Journal of the Acoustical Society of America · 2025Article
- Spatiotemporal Deconvolution of Hydrophone Response for Linear and Nonlinear Beams-Part II: Experimental Validation.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2022Article
- "HIFU Beam:" A Simulator for Predicting Axially Symmetric Nonlinear Acoustic Fields Generated by Focused Transducers in a Layered Medium.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2021Article
- Correction for Hydrophone Spatial Averaging Artifacts for Circular Sources.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2020Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Acoustic holography method has been shown to provide accurate reconstruction of 3D ultrasound fields generated by various medical transducers including multi-element arrays as well as to set a boundary condition for nonlinear field modeling at high pressure levels. Here an approach of measuring holograms of individual array elements for modeling of an entire array field is proposed and tested for a 3 MHz 16-element annular array (48 mm diameter and 35 mm radius of curvature). The array is a part of a high intensity focused ultrasound system with magnetic resonance guidance used for developing thermal and mechanical methods of tissue ablation in mouse tumors. The holograms measured separately for each array element were combined together to obtain a boundary condition for the array with all operating elements. Modeling results were compared to low-amplitude beam scans and good agreement was demonstrated. Then, nonlinear field simulations were performed at increasing power outputs based on the 3D Westervelt equation. It was shown that the transducer is capable to produce focal waveforms with 140 MPa shock amplitude at 110 W acoustic power and thus is well suited for evaluating shock-based ablation therapies in small animals.
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Registered trials
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