A new imaging method for arterial tubes based on vibration measurement

Xiaoming Zhang; Mostafa Fatemi; James F. Greenleaf

doi:10.1115/IMECE2003-41395

A new imaging method for arterial tubes based on vibration measurement

Xiaoming Zhang, Mostafa Fatemi, James F. Greenleaf

Physiology & Biomedical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

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 studies were carried out on a silicone rubber tube embedded in 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.

Original language	English (US)
Pages (from-to)	145-146
Number of pages	2
Journal	American Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Volume	55
DOIs	https://doi.org/10.1115/IMECE2003-41395
State	Published - Jan 1 2003
Event	2003 ASME International Mechanical Engineering Congress - Washington, DC., United States Duration: Nov 15 2003 → Nov 21 2003

ASJC Scopus subject areas

Engineering(all)

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10.1115/IMECE2003-41395

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abstract = "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 studies were carried out on a silicone rubber tube embedded in 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.",

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AB - 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 studies were carried out on a silicone rubber tube embedded in 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.

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