DRUG-ELUTING STENT HAVING A BIODEGRADABLE MICROSTRUCTURE COUPLED THERETO

摘要

The present invention relates to a drug-eluting stent, the structure of which is improved in order to prevent the stent from escaping from the diseased area and enable drugs to be locally delivered to the diseased area in a concentrated manner. The drug-eluting stent according to the present invention is one that is inserted into a blood vessel so as to expand the blood vessel, and comprises biocompatible and biodegradable polymers and has a protrusion to be inserted into a blood vessel wall during the extension of the stent.