Sontra Medical Corporation

Matthew Davis

Michael V Pishko

Joseph Kost

Samir Suresh Mitragotri

Stephen C Rowe

Methods and devices for application of ultrasound to a small area of skin for enhancing transdermal transport. An ultrasound beam having a first focal diameter is channelled into a beam having a second, smaller diameter without substantial loss of energy. Higher energy ultrasound can be used while causing less pain. Alternatively, ultrasound energy is applied through a vibrating element positioned just contacting, above or extending into the skin. Use of the element facilitates extraction of analyte and may enhance drug delivery. A two step noninvasive method involves application of ultrasound to increase skin permeability and removal of ultrasound followed by transdermal transport that can be further enhanced using a physical enhancer.

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Boston, MA, United States of America

Matthew Davis