PEI/PLGA A magnesium stent having corrosion resistivity and inhibitory effect on vascular restenosis via asymmetrical PEI/PLGA dual coating and a preparation method thereof

摘要

A magnesium-containing implant having a first side and a second side, wherein the drug is unidirectionally released, wherein both the first side and the second side are coated with a layer of polyetherimide (PEI) Characterized in that a layer of a polylactic acid-glycolic acid (PLGA) containing a drug is additionally coated on the PEI coating layer formed on the first surface And a method for producing the same.