A method and apparatus for removing plaque, fatty deposits, and other occlusions from blood vessels using ultrasonic energy. The method and apparatus has particular application in removing plaque from the carotid artery in a non-thermal manner. The apparatus is designed to have as small a cross-sectional...http://www.google.com.au/patents/US6660013?utm_source=gb-gplus-sharePatent US6660013 - Apparatus for removing plaque from blood vessels using ultrasonic energy
