Ultrasonic diagnostic imaging system with dynamic microbeamforming
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United States of America Patent
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Apr 23, 2002
Grant Date -
Apr 18, 2002
app pub date -
Jul 18, 2001
filing date -
Aug 24, 2000
priority date (Note) -
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Abstract
An ultrasonic imaging method and apparatus are described for imaging the coronary arteries of the heart. The vascular system is infused with an ultrasonic contrast agent. A volumetric region of the heart wall including a coronary artery is three dimensionally scanned. A projection image of the volumetric region is produced from the scanning, providing a two dimensional contrast image of the coronary artery with the appearance of an angiogram. Preferably the coronary artery signals are segmented from contrast signals emanating from the myocardium and the heart blood pool so that the coronary arteries are clearly highlighted and distinct in the ultrasonic angiogram.
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