Radially expandable intraluminal stent and delivery catheter therefore and method of using the same
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United States of America Patent
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Dec 21, 1999
Grant Date -
N/A
app pub date -
Jun 19, 1997
filing date -
Jun 19, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
As delivery catheter for a radially expandable intraluminal stent. The delivery catheter comprises an elongate outer tube defining proximal and distal ends and a lumen extending longitudinally therethrough. In addition to the outer tube, the delivery catheter includes an elongate inner tube defining proximal and distal ends and a guidewire lumen extending longitudinally therethrough. The inner tube is movably disposed within the lumen of the outer tube. The delivery catheter further includes a flexible deployment sleeve having a first end attached to the distal end of the outer tube, and a second end attached to the inner tube at a location proximal to the distal end thereof. The pressurization of the lumen of the outer tube with a fluid causes fluid pressure to be exerted on the sleeve in a manner facilitating the movement and the inner and outer tubes relative to each other such that a distal portion of the inner tube extending distally from the second end of the sleeve is deployed from the distal end of the outer tube.
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