“…However, some devices have not been widely accepted by interventionists because they possess characteristics far from those considered ideal [1][2][3][4][5][6][7] . The most commonly used, including in our group, are the Amplatzer Septal Occluder (AGA Medical Corporation, Golden Valley, MN) [10][11][12][13][14][15][16] the CardioSEAL septal occluder and the STARFlex (Nitinol Medical Technologies, Boston, MA) 8,9 . Recently, a new device, the Helex septal occluder (W.L.…”