(A) percutaneous puncture of the femoral vein. (B) Insertion of the diagnostic catheter (arrow) through the ASD into the left atrium and introduce an exchange "J" guide-wire into the left atrium. (C) Delivery cable through the loader and screw the device onto the delivery cable. (D) Deployment of the left atrial disc (arrow) and part of the connecting waist. (E) Deployment of the right atrial disc (arrow).