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Figure 1: pfm Nit-Occlud® patent ductus arteriosus device. (a and b) Nitinol-based spiral-shape device for small and medium-sized patent ductus arteriosus. Tight and compact windings are thought to enhance efficient occlusion; no thrombogenic fabrics are incorporated

Figure 1: pfm Nit-Occlud<sup>®</sup> patent ductus arteriosus device. (a and b) Nitinol-based spiral-shape device for small and medium-sized patent ductus arteriosus. Tight and compact windings are thought to enhance efficient occlusion; no thrombogenic fabrics are incorporated