The objective of this clinical investigation is to assess the efficacy and safety of spot stent system ,which is indicated for use in patients with atherosclerotic disease of the superficial femoral artery (SFA) or proximal popliteal arteries and for the treatment of insufficient results after percutaneous transluminal angioplasty.
A prospective randomized trial designed to compare the efficacy and safety of spot stent system versus self-expanding peripheral stent system in the endovascular treatment of femoropopliteal arterial stenotic disease.