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Microneedle apparatus used for marking skin and for dispensing semi-permanent subcutaneous makeup

  • US 6,565,532 B1
  • Filed: 07/12/2000
  • Issued: 05/20/2003
  • Est. Priority Date: 07/12/2000
  • Status: Expired due to Term
First Claim
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1. A microneedle array structure, comprising:

  • a plurality of microneedle elements having a first end and a second end, said microneedle elements extending from a base element at said first end of the microneedle elements; and

    at least one reservoir containing a fluid, said at least one fluid-containing reservoir having a flexible membrane at a first surface and being in communication with at least one of said plurality of microneedle elements at a second surface;

    wherein said first surface of the flexible membrane, upon actuation, forces the fluid from said at least one fluid-containing reservoir in a direction toward said at least one of said plurality of microneedle elements, wherein said microneedle elements and said base element are of unitary construction, formed from the same homogeneous material.

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