Surgical devices and instruments; medical devices, namely, endovascular devices for the treatment of deep vein thrombosis, venous thrombosis, in-stent restenosis, and chronic venous disease for chronic post-thrombotic obstructions and occlusions, de-bulking and recanalization; medical devices, namely, percutaneous catheter systems for use in the treatment of and resolution of vascular obstructions which restrict blood flow; medical devices, namely, minimally invasive image-guided devices for interventional vascular therapy for use by interventional cardiologists, interventional radiologists and vascular surgeons