A therapeutic agent is incorporated into microbubbles of a contrast agent, and the microbubbles containing the therapeutic agent are delivered to a region of interest in a patient. An ultrasound image of the region of interest is generated by an ultrasound imaging system, and ultrasound energy for destroying...http://www.google.co.uk/patents/US6740039?utm_source=gb-gplus-sharePatent US6740039 - Methods and apparatus for displaying information relating to delivery and activation of a therapeutic agent using ultrasound energy
