Methods and apparatus for inducing necrosis and degradation of blood vessels are described. The invention is suitable to treat various conditions such as varicose veins and telangiectasia. The apparatus for inducing degradation of a blood vessel in a tissue, e.g., skin, includes an external energy source...http://www.google.com.au/patents/US6306130?utm_source=gb-gplus-sharePatent US6306130 - Apparatus and methods for removing blood vessels
