The present invention relates to an ultrasound device and method for treating a wound by creating a therapeutic combination of materials with ultrasonic waves and delivering that combination into the wound bed. The apparatus comprises a horn having an internal chamber including a back wall, a front wall, and at least one side wall, a radiation surface at the horn's distal end, at least one channel opening into the chamber. Within the internal chamber of the horn the healing factor to be delivered to the wound is mixed with a suitable carrying agent to create a therapeutic solution. Affixed to the distal end of the horn is a cavitation chamber capable of deforming downwards that receives the therapeutic solution. The downward deformation of the cavitation chamber applies pressure to the therapeutic solution contained within the chamber pushing the solution into the wound bed.
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