System and method for stent manufacture
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United States of America Patent
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Feb 19, 2013
Grant Date -
Nov 3, 2011
app pub date -
Apr 29, 2010
filing date -
Apr 29, 2010
priority date (Note) -
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Abstract
The system and method for stent manufacture includes a method of supercritical stent manufacture including mixing a polymer and a supercritical fluid to form a supercritical mixture; electrically charging a mold to a first polarity, the mold having a mold wall defining a mold plenum; discharging the supercritical mixture through a nozzle; electrically charging the supercritical mixture to a second polarity opposite the first polarity; repeatedly directing the charged supercritical mixture into the mold plenum to form a plurality of polymer layers on the mold wall, the plurality of polymer layers having a predetermined thickness; and separating the plurality of polymer layers from the mold wall.
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