Stent with outer slough coating
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United States of America Patent
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N/A
Issued Date -
Mar 10, 2005
app pub date -
Jul 22, 2004
filing date -
Sep 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The stent with an outer slough coating 125 of the present invention provides a coated stent having a permanent coating 130 disposed on the stent and a slough coating 125 disposed on the permanent coating 130. The permanent coating 130 includes an anti-proliferative agent and the slough coating 125 includes an anti-inflammatory agent. The slough coating 125 erodes shortly after stent implantation to deliver the anti-inflammatory agent, which treats tissue trauma from the angioplasty and the presence of the stent. Once the slough coating 125 has substantially eroded, the permanent coating 130 delivers the anti-proliferative agent long-term to prevent tissue growth on the stent or within the body lumen, and prevent restenosis. The permanent coating 130 can also include an anti-inflammatory agent.
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