Patent ID: 8702650
Filing Date: 2014-04-22
Classification: A61L,A61M

Abstract:
1. A method of coating an expandable member comprising: providing an expandable member with a plurality of folds defined therein, the expandable member having a folded configuration and a fully expanded configuration at a rated nominal pressure; inflating the expandable member to an initial pressure of from about 10% to about 300% of the nominal pressure; disposing a therapeutic agent on at least a portion of the expandable member; partially deflating the expandable member with the therapeutic agent disposed thereon to an intermediate pressure, wherein partially deflating includes withdrawing an amount of inflation medium from the expandable member; and applying an external force having a torsional component to the expandable member simultaneous with or subsequent to partially deflating the expandable member to refold, the plurality of folds of the expandable member toward the folded configuration.