Apparatus and method for manufacturing an intracutaneous microneedle array
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United States of America Patent
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Nov 6, 2001
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N/A
app pub date -
Jun 9, 1999
filing date -
Jun 9, 1999
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Abstract
A microneedle array is constructed of silicon and silicon dioxide compounds using MEMS (i.e., Micro-Electro-Mechanical-Systems) technology and standard microfabrication techniques. The microneedle array may be fabricated from a silicon die which can be etched in a microfabrication process to create hollow cylindrical individual microneedles. The resulting array of microneedles can penetrate with a small pressure through the stratum corneum of skin (including skin of animals, reptiles, or other creatures--typically skin of a living organism) to either deliver drugs or to facilitate interstitial fluid sampling through the hollow microneedles.
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