The present invention concerns an ultrasound system for the production of an acoustic wave pressure on a desired organ. The present invention further concerns a method for closing a liquid containing vessel, such as a blood vessel, by applying a first pulse of acoustic pressure for emptying the vessel...http://www.google.com.au/patents/US6206843?utm_source=gb-gplus-sharePatent US6206843 - Ultrasound system and methods utilizing same
