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Wireless thermal micro-ablation of skin for transdermal drug delivery

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7 Author(s)
Jin-Woo Park ; Sch. of Electr. & Comput. Eng., Georgia Technol. Inst., Atlanta, GA, USA ; Jung-Hwan Park ; Yong-Kyu Yoon ; Yeun-Ho Joung
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This paper presents design, fabrication, and experimental results of a wireless induction heating system for generating micron-scale pores in the skin by thermal micro-ablation to dramatically increase skin permeability to drugs, while maintaining the patient-friendliness of conventional transdermal patches. The micro-heating element arrays have been fabricated using electrodeposition of nickel on a SU8 patterned structure. The heating element arrays have been characterized by applying wireless AC magnetic excitation using a coil, and applied to an in-vitro skin ablation experiment. The experiment has confirmed that fabricated micro-heating elements are able to generate heat sufficient to induce localized micro-ablation in human skin.

Published in:
Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on  (Volume:2 )

Date of Conference: 5-9 June 2005

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