Figure 1: A double-disc device (Occlutech ASD Occluder, Occlutech, Jena, Germany) for closure of an atrial septal defect is already screwed onto the delivery system.
Figure 1: A double-disc device (Occlutech ASD Occluder, Occlutech, Jena, Germany) for closure of an atrial septal defect is already screwed onto the delivery system.