Stent for releasing nano-particle including biodegradable polymer hydrophilic drug and hydrophobic drug

摘要

The present invention relates to a stent releasing a nanoparticle including a hydrophilic drug and a hydrophobic drug to which a biodegradable polymer is bound, A nanofiber layer formed on the stent body; And nanoparticles supported on the nanofiber layer, wherein the nanoparticles include a micelle structure and a hydrophobic drug carried in the micelle structure, and the micelle structure is formed of a combination of a hydrophilic polymer, a hydrophobic polymer, and a hydrophilic drug Provide a stent.