Demonstration of second-harmonic IVUS feasibility with focused broadband miniature transducers

  title={Demonstration of second-harmonic IVUS feasibility with focused broadband miniature transducers},
  author={Chaitanya Chandrana and Nikolay A Kharin and Geoffrey D Vince and Shuvo Roy and Aaron J. Fleischman},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
Focused broadband miniature polyvinylidene fluoride-trifluoroethylene (PVDF TrFE) ultrasonic transducers were investigated for intravascular (IVUS) second-harmonic imaging. Modeling and experimental studies demonstrated that focused transducers, unlike conventional flat transducers, build up second harmonic peak pressures faster and stronger, leading to an increased SNR of second harmonic content within the coronary geometry. Experimental results demonstrated that focused second harmonic… CONTINUE READING


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Miniature polymer transducers for high frequency medical imaging

  • G. r. lockwood, c. r. Hazard
  • SPIE Int. Symp. Medical Imaging, vol. 3341, 1998…
  • 1998
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