Title :
Multi-component hemodynamic measurement in flexible vascular phantom using echo particle image velocimetry
Author :
Song, Ruibo ; Qian, Ming ; Niu, Lili ; Jin, Qiaofeng ; Zheng, Hairong
Author_Institution :
Paul C. Lauterbur Res. Center for Biomed. Imaging, Shenzhen Inst. of Adv. Technol., Shenzhen, China
Abstract :
Poly (vinyl alcohol) cryogel, PVA-C, is presented as a tissue-mimicking material, suitable for application in magnetic resonance (MR) imaging and ultrasound imaging. Two kinds of PVA phantoms with different shape were made. Mechanical tests were performed on cylindrical samples with a pressure column, and Young´s modulus were obtained varying from 50kPa to 320kPa depending on the number of freeze-thaw cycles (one to eight). Two vascular phantoms of different elasticity were connected in the fluid system. The information of flow field in the vascular phantom was obtained using the newly developed ultrasound velocimetry technique (echo particle image velocimetry).
Keywords :
Young´s modulus; biomedical materials; biomedical ultrasonics; cardiovascular system; elasticity; freezing; haemodynamics; melting; phantoms; polymer gels; ultrasonic imaging; velocimeters; MRI; PVA phantoms; Young´s modulus; cylindrical samples; echo particle image velocimetry; elasticity; flexible vascular phantom; flow field; fluid system; freeze-thaw cycles; magnetic resonance imaging; mechanical tests; multicomponent hemodynamic measurement; poly(vinyl alcohol) cryogel; tissue-mimicking material; ultrasound imaging; ultrasound velocimetry technique; Acoustics; Elasticity; Phantoms; Ultrasonic imaging; Young´s modulus; Echo PIV; Polyvinyl alcohol (PVA) cryogel; Vascular phantom;
Conference_Titel :
Biomedical Engineering and Informatics (BMEI), 2011 4th International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-9351-7
DOI :
10.1109/BMEI.2011.6098349
