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Method for forming hollow out-of-plane microneedles and devices formed hereby

  • US 20060025717A1
  • Filed: 04/27/2005
  • Published: 02/02/2006
  • Est. Priority Date: 04/18/2003
  • Status: Abandoned Application
First Claim
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1. A method of manufacturing a microneedle device, comprising:

  • providing a substantially planar base plate;

    providing a plurality of micropillars substantially perpendicular to said base plate;

    introducing a hardenable substance onto said base plate;

    selecting conditions such that said substance is retained with a greater circumference near to said base plate and extends up said pillars to a lesser circumference to create a needle shape; and

    removing said pillars while preserving said needle shape;

    thereby forming a plurality of hollow microneedles.

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