Figure 1. Ultrasound Active Patch.
Photographs of a potted Active Patch transducer with two rectangular cymbals operating in parallel with (A) clear encapsulant to show orientation and (B) opaque encapsulant used in study. (C) Illustration of the Reservoir Patch in cross-section; ultrasound gel is placed between the Active Patch and upper wound dressing layer in the Medication Patch, and T-20 is in direct contact with the skin.