Title :
Intravascular ultrasound chirp imaging
Author :
Maresca, David ; Jansen, Krista ; Renaud, Guillaume ; Dekker, Wijnand Den ; Van Soest, Gijs ; Li, Xiang ; Zhou, Qifa ; Cannata, Jonathan ; Shung, K. Kirk ; Van der Steen, Antonius F W
Author_Institution :
Biomed. Eng., Erasmus MC, Rotterdam, Netherlands
Abstract :
We demonstrate the feasibility of intravascular ultrasound chirp imaging. Chirp excitations were emitted with a 34 MHz single crystal intravascular transducer and compared to conventional Gaussian modulated pulses of equal peak negative pressure. The signal to noise ratio of the chirp images was increased up to 9 dB. The method shows potential for intravascular imaging of structures in and beyond coronary atherosclerotic plaques.
Keywords :
biomedical transducers; biomedical ultrasonics; blood vessels; diseases; ultrasonic transducers; arterial wall; chirp excitations; chronic systemic disease; conventional Gaussian modulated pulses; coronary atherosclerotic plaques; equal peak negative pressure; frequency 34 MHz; intravascular ultrasound chirp imaging; signal-to-noise ratio; single crystal intravascular transducer; Arteries; Chirp; Frequency modulation; Imaging; Signal to noise ratio; Transducers; Ultrasonic imaging; chirp imaging; intravascular ultrasound; ultrasound contrast agent; vasa vasorum;
Conference_Titel :
Ultrasonics Symposium (IUS), 2011 IEEE International
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4577-1253-1
DOI :
10.1109/ULTSYM.2011.0215
