Fig. 10From: Assessment of degradability and endothelialization of modified poly L-lactic acid (PLLA) atrial septal defect (ASD) occluders over time in vivoThe center and edge parts of PLLA ASD occluders characterized by scanning electron microscopy (SEM) at the indicated time points of 3 (A), 6 (B), 12 (C), 24 months (D) after implantation. PLLA: poly L-lactide. ASD: atrial septal defectBack to article page