Veins act since the return path for blood which includes shipped oxygen and nutrients to entire body tissues. Just after this exchange occurs during the capillaries, veins have the oxygen-depleted blood back again to the heart and lungs for reoxygenation. Endovenous ablative therapy: Ablation of incompetent veins utilizes thermal Electrical power https://sgvasculargrp.com/medical-condition/varicose-spider-veins/