| abstract |
The biodegradable stent according to the present invention has excellent biocompatibility surface properties, specifically, has excellent hydrophilic surface properties, has the effect of having an activated surface excellent in porosity, pore size, surface roughness, etc., and high surface hydrophilicity Even though it is a polymer material stent having high pore surface properties, it has the effect of having high mechanical properties such as stiffness and durability. |