ELECTRONIC CARD FOR TRANSDERMAL DRUG DELIVERY AND ANALYTE EXTRACTION

摘要

Devices for facilitating transdermal passage of materials are provided. In a preferred embodiment, a device (20) for delivering a substance to skin (22) of a subject is provided. A substance storage unit is adapted to store the substance. An analysis unit is adapted to receive a portion of a body fluid of the subject, to analyze the portion, and to generate a signal responsive to the analysis of the portion. One or more electrodes (60) are adapted to be placed at respective sites on the skin (22). A substance delivery unit is adapted to receive the signal, and, responsive thereto, to drive at least some of the one or more electrodes (60) to apply to respective ones of the sites on the skin (22) a current capable of ablating stratum corneum epidermidis of the skin (22), so as to facilitate delivery of the substance from the storage unit through the skin (22) at the respective ones of the sites.