Catheter having support flaps and method of inserting catheter
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United States of America Patent
Stats
-
Nov 1, 1988
Grant Date -
N/A
app pub date -
Aug 13, 1987
filing date -
Aug 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A catheter assembly having a dilating catheter and a guiding catheter. The guiding catheter has elongated, coaxial inner and outer tubes. The distal ends of the inner and outer tubes are connected together. A plurality of passages allow fluid flow through the connection between the inner and outer tubes. A plurality of support flaps are formed on the outer tube by a plurality of longitudinal slits. As the outer tube is moved longitudinally relative to the inner tube, the support flaps bend and move radially outward from the inner tube. The expanded support flaps, within the aorta, help to hold the end of the guiding catheter within the selected coronary artery. Radiopaque rings, mounted on each end of the support flaps, help to determine the location of the support flaps.
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