Methods of and systems for examining tissue perfusion using ultrasonic contrast agents
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United States of America Patent
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Oct 26, 1993
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N/A
app pub date -
Dec 30, 1991
filing date -
Dec 30, 1991
priority date (Note) -
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Abstract
A system for and method of ultrasonically examining tissue using an ultrasound contrast enhancing agent involve detecting a frequency dependent characteristic of ultrasonic energy reflected from tissue at first and second time periods and utilizing the resulting data to obtain an indication of the presence in and the travel of the agent through the tissue.
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