NuCryo Vascular LLC manufactures the PolarCath (Cryoplasty) Balloon Dilatation system. The Cryoplasty system is currently available in the United States The PolarCath Peripheral Dilatation System is indicated to dilate stenoses in the peripheral vasculature (iliac, femoral, popliteal, infrapopliteal, renal and subclavian arteries) and for the treatment of obstructive lesions of Polytetrafluoroethylene (PTFE) access grafts or native arteriovenous dialysis fistulae. The PolarCath Peripheral Dilatation system is also indicated for post-deployed stent expansion of self-expanding peripheral vascular stents.