A new method for imaging and detecting modal shapes of vessels is introduced. Theory is developed that predicts the measured velocity is proportional to the value of the mode shape at the focal point of the ultrasound beam. Experimental a cylindrical gel phantom of large radius. This model simulates approximately a large artery and the surrounding body. The fundamental frequency was measured 83 Hz for the tube-phantom system. At this frequency the ultrasound transducer was scanned across the vessel plane with velocity measurement at one single point on the vessel and on the phantom by laser. The images obtained show clearly the interior tube and the modal shape of the tube.
A New Imaging Method for Arterial Tubes Based on Vibration Measurement
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Zhang, X, Fatemi, M, & Greenleaf, JF. "A New Imaging Method for Arterial Tubes Based on Vibration Measurement." Proceedings of the ASME 2003 International Mechanical Engineering Congress and Exposition. Advances in Bioengineering. Washington, DC, USA. November 15–21, 2003. pp. 145-146. ASME. https://doi.org/10.1115/IMECE2003-41395
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