METHOD AND DEVICE FOR ULTRASOUND DRUG DELIVERY

摘要

The present invention concerns a device for creating a directed spray (16) of liquid or powder particles (10) which is produced by contacting the liquid or powder (10) with a radiation surface (13) of an ultrasonic transducer such as a piezofilm or ultrasound tip (26). The ultrasonic waves cause the spray (16) to project outwardly from the radiation surface (13) and directs it into a patient's mouth or onto another target. Directed particle spray (16) delivers sharp dosage and uniformed up to 90 % particle size drug delivery.