Method for calibrating ultrasound devices and contrast agents and system therefor
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
Nov 12, 1998
filing date -
Jun 3, 1996
priority date (Note) -
Expired
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Abstract
A method for calibrating ultrasound equipment and ultrasound contrast agents are provided that utilize polystyrene microspheres as a broad-band in vitro calibration tool. In accordance with the method a suspension of polystyrene microspheres is provided in a liquid environment in a container having an acoustic aperture. The suspension of microspheres is continuously agitated during measurement of the backscatter from the suspension of microspheres and the ultrasound equipment or contrast agent is then calibrated or adjusted to a selected backscatter setting.
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