Methods, compositions and apparatus for localized delivery of compounds are provided. In certain embodiments, radiation force is used to direct carriers to a target site, and additional radiation is used to fragment the localized carriers, releasing associate compounds. Ultrasound radiation is preferred...http://www.google.es/patents/US7358226?utm_source=gb-gplus-sharePatente US7358226 - Ultrasonic concentration of drug delivery capsules
Ultrasonic concentration of drug delivery capsules
