| 摘要 |
Apparatus for performing a therapeutic procedure using ultrasound is provided, including a beacon, adapted to be placed at a site in a body of a subject, and a set of one or more ultrasound transducers, each transducer adapted to detect a respective beacon signal coming from the beacon, and adapted to output a time-reversed ultrasound signal, reversed in time with respect to a property of at least one of the beacon signals. |
