Dryers for removing solvent from a drug-eluting coating applied to medical devices
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United States of America Patent
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Mar 6, 2018
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app pub date -
Sep 16, 2011
filing date -
Sep 16, 2011
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Abstract
A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a dryer having a telescoping plenum which provides a shield and drying region for the stent or scaffold to reside while a heated gas is passed over the stent/scaffold. The shield and drying region improve efficiency in drying, predictability or drug release rate, uniformity of coating material properties lengthwise over the stent/scaffold and provide a platform that can effectively support stents that are over 40 mm in length.
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