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Method and apparatus for the transdermal administration of a substance

  • US 20030199812A1
  • Filed: 05/20/2003
  • Published: 10/23/2003
  • Est. Priority Date: 09/22/1999
  • Status: Active Grant
First Claim
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1. A delivery device for introducing a substance into the skin of a patient for delivering the substance to the patient, said device comprising:

  • a top wall having at least one opening;

    a bottom wall coupled to said top wall and spaced from said top wall to define a reservoir therebetween for containing said substance, said bottom wall having a plurality of openings;

    a coupling member attached to said top wall for supplying said substance through said openings in said top wall and into said reservoir; and

    a plurality of microneedles coupled to said outer surface of said bottom wall and being in communication with said openings in said bottom wall for directing said substance from said reservoir into the skin of a patient.

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