Fig. 1From: Clinical experience with a shape memory polymer peripheral vascular embolisation plug: a case seriesIllustration of the IMPEDE Embolization Plug (left) and IMPEDE-FX Embolization Plug (right) in their crimped and expanded forms. The difference between the devices is that the IMPEDE-FX device does not have an anchor coil. The devices are available with expanded shape memory polymer diameters of 6 mm, 8 mm, and 12 mm. Illustrations are courtesy of Shape Memory MedicalBack to article page