Method of using a temporary stent catheter
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United States of America Patent
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-
Mar 2, 1993
Grant Date -
N/A
app pub date -
May 22, 1991
filing date -
May 22, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A temporary stent catheter and method for use. The catheter is particularly useful for restoring patency to an artery following a Percutaneous Transluminal Coronary Angioplasty (PTCA) procedure. The catheter comprises a catheter tube having a distal end and a proximal end; an elongated balloon inflatable by fluid pressure attached to the catheter tube near its distal end; a stent having a generally tubular configuration attached to the catheter tube near its distal end and surrounding the balloon; a pressurization device near the proximal end of the catheter tube for inflating and deflating the balloon whereby the stent may be pressed against the wall of a blood vessel by the balloon and the balloon may be subsequently deflated to permit blood flow through the expanded stent; and a restriction device near the proximal end of the catheter tube for maintaining the stent in an expanded condition and for subsequently effecting the radial contraction of the stent whereby it may be removed from the blood vessel.
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