Bail-out catheter
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United States of America Patent
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-
Sep 27, 1988
Grant Date -
N/A
app pub date -
Feb 9, 1987
filing date -
Feb 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter for maintaining the patency of a blood vessel damaged during the course of angiography or angioplasty procedures comprising a toroidal coil whose adjacent turns are tightly wound and in contact with one another over a majority of the length thereof but which are separated from one another over a predetermined longitudinal dimension near the distal end thereof. The tightly wound touching coils may be covered with a Teflon coating and when the catheter must be used to maintain patency in a coronary artery, it is advanced along the guide wire of an angiography or angioplasty catheter until the open turn portion of the bail-out catheter bridges the site of the damaged vessel. After the angiographic or angioplasty catheter and its guide wire are removed, the bail-out catheter remains in position so that blood can flow through the open turns of that catheter and beyond until such time as surgical repair can be made.
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