The purpose of this study was to evaluate the safety and effectiveness of a new dedicated venous stent system (Grency) in the treatment of iliac vein stenosis or occlusion. The Grency stent system has a hybrid oblique self-expanding design, which allows precise positioning at the iliocaval confluence.
To evaluate the safety and effectiveness of Grency venous stent system in the treatment of iliac vein stenosis or occlusion.