Method of coating a folded catheter balloon
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United States of America Patent
Stats
-
Sep 8, 2015
Grant Date -
May 5, 2011
app pub date -
May 1, 2009
filing date -
May 1, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Various methods for optimizing coating of medical devices, such as balloon catheters are disclosed. One method configures catheter balloon folds based on balloon diameter and volume. Other methods include using a specifically-sized protective sheath, using a vacuum, using pressure, pulling the balloon through a coating solution, using at least one spacer or a wick between at least one fold for metering a therapeutic coating into the folds of the balloon, placing an intermediate layer between the balloon and the therapeutic coating, placing a soluble film having a therapeutic agent around the catheter balloon or inside the folds, and any combination thereof. Balloon catheters and catheter balloons having a specific folding configuration, a specifically-sized protective sheath, an intermediate layer, or a soluble film are also disclosed.
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