3-D MAPPING FOR GUIDANCE OF DEVICE ADVANCEMENT OUT OF A GUIDE CATHETER
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Aug 12, 2013
filing date -
Jun 26, 2013
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Abstract
The present disclosure involves a process for guiding the distal end of a guide wire or working catheter as it emerges from the distal end of a guide catheter into a blood vessel. The distal end of the guide wire or working catheter is provided with an X-ray marker, a determination is made that this distal end has emerged from the distal end of the guide catheter and a fluoroscopic image of the distal end of a guide wire or working catheter is taken. This image is correlated with the length of guide wire or working catheter inserted into the guide catheter. After further advancement of the guide wire or working catheter, another fluoroscopic image of the distal end of a guide wire or working catheter is taken and this image is correlated with the length of guide wire or working catheter which has been inserted into the guide catheter.
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