Researchers report that a phased ultrasound array can produce beams that can levitate and manipulate solid glass spheres of 3 mm diameter, both in a water bath and in the urinary bladders of live pigs, suggesting that the approach may find potential application in manipulating an ingestible camera or in guiding the clearance of kidney stones, according to the authors.
Article #20-01779: "Noninvasive acoustic manipulation of objects in a living body," by Mohamed A. Ghanem et al.
MEDIA CONTACT: Mohamed A. Ghanem, University of Washington, Seattle, WA; e-mail: mghanem@uw.edu
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Proceedings of the National Academy of Sciences