Methods and apparatus for correlating ultrasonic image data and radiographic image data
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United States of America Patent
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Jun 24, 1997
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N/A
app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
priority date (Note) -
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Abstract
Apparatus and methods are provided for correlating radiologic and ultrasonic images of biological tissue. An X-ray image and a plurality of corresponding ultrasound images are generated while the biological tissue remains immobilized. X-ray opaque indexing points provide lateral registration of the X-ray film with the ultrasound apparatus. The fan-out of X-ray beams penetrating the tissue from a point X-ray source is determined and used to correlate the X-ray image data to the ultrasonic image data. Apparatus and methods are also provided for determining the location of the X-ray source relative to the indexing points.
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