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Microneedle arrays and methods of manufacturing the same

  • US 20030045837A1
  • Filed: 09/05/2001
  • Published: 03/06/2003
  • Est. Priority Date: 09/05/2001
  • Status: Active Grant
First Claim
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1. A microneedle array device comprising:

  • a plurality of microneedles projecting from a substrate surface, wherein each of the microneedles comprises a tapered shape comprising an outer surface, a base proximate the substrate surface, and a tip distal from the base, and further wherein the base is elongated along an elongation axis on the substrate surface such that the base comprises opposing ends along the elongation axis; and

    a channel formed in the outer surface of each microneedle of the plurality of microneedles, each channel extending from the base towards the tip of the microneedle.

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