Developing sensors and systems for functional interventional ultrasound imaging

Approximately 19 million people in the U.S. suffer from coronary artery disease. Intervention in coronary artery disease requires minimally-invasive procedures, guided by imaging techniques that expose patients and physicians to ionizing radiation while providing only 2D images to navigate complex 3D anatomy. Three novel systems developed in our lab to provide imaging in different stages of the diagnostic process will be presented. First, a CT-compatible ultrasound transducer with an integrated acoustic metamaterial to enable non-invasive, artifact-free CT imaging of coronary artery structure will be demonstrated. Next, development of a forward-viewing, catheter-based ultrasound system for characterizing the coronary mechanical environment within the cardiac catheterization lab will be presented, including intravascular measurement of 3D hemodynamics in a pig. Finally, a sub-millimeter guidewire-based imaging system for 3D robotic navigation will be demonstrated for the >20% of cases in which even the guidewire cannot be routed to the symptomatic lesion, let alone other instruments.

Brooks Lindsey

Assistant Professor, Coulter Department of Biomedical Engineering & Department of Electrical and Computer Engineering, Georgia Tech on February 25, 2022 at 10:15 AM in EB2 1229

Brooks Lindsey is an Assistant Professor in the Coulter Department of Biomedical Engineering at Georgia Institute of Technology and Emory University, with a secondary appointment in Electrical and Computer Engineering. He has twice co-authored the best paper at the IEEE International Ultrasonics Symposium (2016, 2021), and his work has been named to the list of highly cited articles in IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control three different times. Dr. Lindsey holds a B.S. in electrical and computer engineering from the University of Illinois, a Ph.D. in biomedical engineering from Duke University, and completed postdoctoral training at the University of North Carolina and North Carolina State University. Dr. Lindsey is an active member of the IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society (IEEE-UFFC) and the American Institute of Ultrasound in Medicine (AIUM), and has recently served on the organizing committee for annual meetings for both organizations.

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