http://alphaveinclinic.com/ Do You Have Leg Pain, Swelling or Heaviness? These could be symptoms of venous insufficiency or leaky veins, which can now be treated with minimally invasive in-office procedures called Radio Frequency Endovenous Ablation or ClariVein Ablation. Dr. Sassan Kaveh is one of the only physicians who is trained to perform ClariVein procedures in Nevada.