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MICRONEEDLE ARRAY WITH DIVERSE NEEDLE CONFIGURATIONS

  • US 20090099427A1
  • Filed: 10/12/2007
  • Published: 04/16/2009
  • Est. Priority Date: 10/12/2007
  • Status: Abandoned Application
First Claim
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1. A surface penetration device comprising:

  • a substrate having a first surface and a second surface;

    a plurality of first tissue piercing elements extending from and supported by the first surface of the substrate;

    the first tissue piercing elements having a common first configuration; and

    a plurality of second tissue piercing elements extending from and supported by the first surface of the substrate;

    the second tissue piercing elements having a common second configuration, wherein the second configuration is substantially different than the first configuration, wherein at least some of the tissue piercing elements have a distal opening, a proximal opening, and a lumen extending between the distal and proximal openings, and wherein the proximal openings are in fluid communication with an opening in the second surface of the substrate.

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