Fig. 2
From: Feasibility of aortic aneurysm sac embolization using a novel shape memory polymer embolic device
a Illustration of the implanted shape memory polymer device in its crimped (above) and (below) expanded form. b The appearance of shape memory polymer devices under follow-up ultrasound (yellow asterisks indicate location of some polymer). A video of shape memory polymer device deployment illustrating the appearance under fluoroscopy is shown in the supplementary material