 A 10-mm Amplatzer muscular ventricular septal defect occluder was loaded on delivery catheter and advanced through the sheath where the distal disk was allowed to be figured in the right atrium. 
A 10 - mm Amplatzer muscular ventricular septal defect occluder was loaded on delivery catheter and advanced through the sheath where the distal disk was allowed to be figured in the right atrium .