Fig. 3From: Reverse sheathing technique for iliocaval thrombectomy in the setting of IVC filtersa. Frontal fluoroscopic image showing the Protrieve sheath with coaxial 12 French sheath through it (arrow). The tip of the undeployed ClotTriever is visible within the sheath (arrowhead) at the level of the filter. b. Frontal digital subtraction angiogram demonstrating improved patency of the lower extremity deep veins (arrow) with persistent thrombus below the filter (arrowhead)Back to article page