At the same time, there is the controlled injection of sclerosant which seals off the vein. This is the painless system which needs a whole lot fewer regional anaesthetic injection. On top of that, there is no danger of heat-induced to encompassing nerves due to the mechanochemical ablation technique. Venaseal: https://www.sgvascularctr.com/looking-for-varicose-vein-treatment-singapore/