ClariVein®IC is a method used to treat varicose veins that allows you to quickly resume your regular activities and get back to work through its comfort-focused, patient-centric design. It is not reliant on an extreme temperature and is devoid of anesthesia. This vein treatment is used to alleviate the pain of varicose veins and to promote healing through 360-degree dispersion of doctor-determined agents in the area. IC actually stands for infusion catheter. The ClariVein®IC infusion catheter has a wire tip that rotates in order to fully distribute the medicine.