Stent coating nozzle assembly
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United States of America Patent
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-
Oct 9, 2012
Grant Date -
May 29, 2008
app pub date -
Feb 6, 2008
filing date -
Jun 26, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system, nozzle assembly, and method for coating a stent with a solvent and polymer are provided. The polymer can include a therapeutic substance or a drug. The polymer and solvent can be discharged from separate tubes disposed within another tube carrying moving air. The polymer and the solvent mix together when they are discharged and are atomized by the air. The ends of the tubes can be concentric with each other. The ends of the tubes can also be positioned relative to each other to prevent accumulation of polymer at the ends of the tubes.
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