System for treating a vascular condition that inhibits restenosis at stent ends
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United States of America Patent
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N/A
Issued Date -
Nov 18, 2004
app pub date -
Apr 21, 2004
filing date -
Apr 23, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a system for treating a vascular condition that inhibits restenosis at the ends of a stent by delivering a therapeutic agent to the vessel wall at and beyond the stent ends. The system comprises a catheter, a stent, and a therapeutic agent. The catheter includes an inflatable balloon. The stent is operably coupled to the balloon. The therapeutic agent is disposed on at least a portion of the balloon and is delivered to a wall of a vessel at a proximal and a distal end of the stent when the balloon is inflated. The therapeutic agent may also be disposed on at least a portion of the stent. The system may further comprise a protective coating disposed under the therapeutic agent, over the therapeutic agent, or both under and over the therapeutic agent.
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