Rotational correlation of intravascular ultrasound image with guide catheter position
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United States of America Patent
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Mar 10, 1998
Grant Date -
N/A
app pub date -
Sep 4, 1996
filing date -
Jun 6, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and method are described for introducing an imaging catheter to the coronary vasculature. A guiding catheter is introduced so that the distal end of the guiding catheter engages a coronary os. The distal end of the guiding catheter is shaped so that a mark on the distal end is oriented in a predetermined orientation relative to the coronary vasculature. An imaging catheter is then introduced through the guiding catheter and an image of the mark is produced with the imaging catheter while in the guiding catheter. In this manner, the relative orientation of the produced image and the coronary vasculature is known.
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