Method of repairing a damaged blood vessel with an expandable cage catheter
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United States of America Patent
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-
Jul 23, 1991
Grant Date -
N/A
app pub date -
Sep 8, 1989
filing date -
Sep 8, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vascular catheter having an expandable cage mounted on the distal end of a tubular member which is radially expanded and contracted by means of a control wire which is secured to the distal end of the expandable cage. The control wire extends through a first inner lumen within the tubular member which extends along essentially the entire length thereof. A second inner lumen is provided in the distal portion of the tubular member which has a proximal port at least 15 but not more than 60 cm from the distal end of the catheter and a distal port which opens into the interior of the expandable cage. A guidewire or a low-profile steerable catheter is slidably disposed within the second lumen and a tubular member such as a slightly expanded coil through the expandable cage interior to facilitate the rapid exchange of the catheter. The catheter assembly is particularly adapted to hold open a blood vessel after a vascular procedure therein such as an angioplasty.
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