Ultrasonic system and method for harmonic imaging in three dimensions
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Aug 22, 1997
filing date -
Aug 22, 1997
priority date (Note) -
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Abstract
An ultrasound method and system are provided for producing three dimensional images. During an imaging session, a transducer, in response to a transmit beamformer, transmits ultrasonic energy at a first frequency band into a subject. The subject may be kept free of added ultrasound contrast agent throughout the entire imaging session. A receive beamformer receives ultrasonic echo information associated with the transmitted ultrasonic energy. Information signals associated with a second frequency band, such as a harmonic frequency band, are obtained from the echo information. A three-dimensional reconstruction is formed or a volume quantity is calculated in response to the information signals. The transmission of ultrasonic energy may also include energy focused along an elongated high power region or a line focus.
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