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Coated stents

  • US 9,981,072 B2
  • Filed: 03/31/2010
  • Issued: 05/29/2018
  • Est. Priority Date: 04/01/2009
  • Status: Active Grant
First Claim
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1. A coated stent comprisinga. a stent comprising a plurality of stent struts;

  • b. a coating comprising an active agent and a bioabsorbable polymer, wherein the active agent is a macrolide immunosuppressive drug in crystalline form, the coating formed under conditions that do not substantially modify the morphology of the drug, and wherein the active agent remains in crystalline form after being included in the coating;

    wherein said coating is substantially conformal to abluminal, luminal, and sidewall surfaces of the struts of the stent to form a plurality of coated stent struts;

    wherein a ratio of an abluminal coating thickness to a luminal coating thickness is at most 90;

    10,wherein a coated stent strut thickness measured from the abluminal surface of the coated stent strut to the luminal surface of the coated stent strut is at most 75 microns.

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