Imaging and measuring system of vocal cord vibration based on plane wave ultrasonography, and method thereof
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United States of America Patent
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Oct 13, 2016
app pub date -
Dec 19, 2014
filing date -
Dec 19, 2014
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Abstract
An imaging and measuring system of vocal cord vibration based on plane wave ultrasonography, includes: a digital ultrasonography system, a data acquisition unit, and a computer; wherein the digital ultrasonography system comprises an ultrasound linear array transducer and a host; wherein the ultrasound linear array transducer is controlled by the host for sending an ultrasound plane wave and receiving echo; the echo is sent back to data acquisition unit; wherein the data acquisition unit converts the echo into digital signal and then sends it to the computer; wherein the computer provides beamforming, envelope detection, and dynamic range compression of the digital signal received, for obtaining a laryngeal tissue structure image. The present invention provides high-speed imaging of the vocal cord vibration with temproal and spatial synchronization, and quantitatively extracting information of biomechanical parameters as well as vibrational phase changes.
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