An applicator for use with an ultrasound transducer assembly is disclosed. In an embodiment, an applicator includes a nozzle body having an interior and an exterior surface a nozzle liner having an interior and an exterior surface and being engageable with the nozzle body such that a plurality of channels are defined at least in part by the exterior surface of the nozzle liner and the interior surface of the nozzle body, each of the plurality of channels having an inlet and an outlet a passageway defined by a space between the nozzle body and the nozzle liner, in fluid communication with the inlets of each of the plurality of channels and an opening sized and shaped for introducing fluid to the passageway to provide fluid flow from the outlet of each of the plurality of channels essentially simultaneously. Kits and methods are also disclosed.