Stent delivery system with a fixed guide wire
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United States of America Patent
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Mar 14, 2006
Grant Date -
Jul 25, 2002
app pub date -
Mar 26, 2002
filing date -
Nov 22, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is a stent delivery system that uses a short section of a guide wire that is fixedly attached to a distal section of a balloon angioplasty catheter. By not having a guide wire that slides through the balloon of the balloon angioplasty catheter, the balloon on which the stent is mounted can have a reduced diameter. Therefore, the outside diameter of the undeployed stent mounted onto that balloon is also minimized. This provides a minimum profile, i.e., a minimum outside diameter, for the stent. A minimum profile at the distal section of the stent delivery system is highly advantageous for improving the percentage of cases that can be treated by means of direct stenting; i.e., without requiring pre-dilation of a stenosis.
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