Patent ID: 8876891
Filing Date: 2014-11-04
Classification: A61F,A61L

Abstract:
1. A drug eluting stent for delivering therapeutic agents to a body lumen, the stent comprising: a stent comprising a expandable substrate configured to be implanted in a vessel of a human body; and a therapeutic agent composition coated over the stent, the therapeutic agent composition comprising anticoagulants, Platelet Glycoprotein IIb/IIIa Receptor blocker or antagonist, and a cytostasis or cytotoxic agent, wherein, the proportion of the anticoagulants, the Platelet Glycoprotein IIb/IIIa Receptor blocker or antagonist, and the cytostasis or cytotoxic agent having a range of 1:0.15:0.5 to 1:0.2:1, and edges of the stent have a 3-30 times higher concentration of drugs as compared to middle segment of the stent to obtain a desired release profile of the coated composition.