TCTAP A-070 Long-Term Safety and Efficacy of Closure of Atrial Septal Defects with Cocoon Septal Occluder

Transcatheter closure of ostium secundum Atrial septal defect (ASD II) isusually done worldwide with Amplatzer septal occluder (ASO) (St. Jude Medical, St. Paul Minnesota, USA). Though complications are rare, it is associated with life threatening complications like tissue erosions and severe nickel