Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 56, Issue 2, Pages 173-184Publisher
ELSEVIER
DOI: 10.1016/j.addr.2003.07.012
Keywords
MEMS; BioMEMS; implant; implantable; electronic; drug delivery; triggered; microchip
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Implantable electronic devices such as pacemakers and neural implants are often used for electrical stimulation. The usage of microfabrication techniques to produce microelectromechanical systems (MEMS) has allowed engineers to address a wider range of clinical indications. A new direction in the area of MEMS technology is the goal of achieving pulsatile drug delivery. The digital capabilities of MEMS may allow greater temporal control over drug release compared to traditional polymer-based systems, while the batch-processing techniques used in the microelectronics industry can lead to greater device uniformity and reproducibility than is currently available to the pharmaceutical industry. A repertoire of structures, including microreservoirs, micropumps, valves, and sensors, is being developed that will provide a strong foundation for the design of integrated, responsive MEMS for drug delivery. (C) 2003 Published by Elsevier B.V.
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