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Figure 1: Fluoroscopic images show assisted active slenderization of ductal occluder using a gooseneck snare (a) and bioptome (b) inserted from the arterial side in patients 1 and 2, respectively. The red arrow indicates the deformation of the sheath tip

Figure 1: Fluoroscopic images show assisted active slenderization of ductal occluder using a gooseneck snare (a) and bioptome (b) inserted from the arterial side in patients 1 and 2, respectively. The red arrow indicates the deformation of the sheath tip