Methods and Systems for Removal of a Foreign Object from Tissue

摘要

Methods and systems for acoustic treatment of tissue are provided. Acoustic energy, for example ultrasound energy, under proper functional control can penetrate deeply and be controlled precisely in tissue. Some aspects provide a method configured for removal of at least a portion of an object, such as a foreign material, in tissue.

主权项

1. A non-invasive method of removing a foreign object from tissue, the foreign object having an acoustic impedance mismatch with the tissue, the method comprising:
a) targeting the foreign object; b) coupling an ultrasound energy source to the foreign object, the ultrasound energy source configured to produce a pulsed first ultrasound energy having a frequency of between 100 kHz and 200 MHz, a pulse duration of between 1 ps and 1 ms, and a power between 1 kW and 50 kW; c) directing from 500 nJ to 5 J of the pulsed first ultrasound energy from the ultrasound energy source into the foreign object, thereby initiating an acousto-mechanical or acousto-elastic effect in the foreign object.