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Method and Apparatus for the Transdermal Administration of a Substance

  • US 20080287864A1
  • Filed: 07/30/2008
  • Published: 11/20/2008
  • Est. Priority Date: 09/22/1999
  • Status: Abandoned Application
First Claim
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1. A delivery device for delivering a substance into a patient comprising:

  • a syringe having a syringe barrel with an outlet tip and a plunger operable by manual pressure for dispensing said substance contained in said syringe;

    said device includes a housing defining a fixed volume reservoir having at least a top and bottom wall;

    a check valve disposed at between said syringe and said reservoir to prevent flow from said reservoir to said syringe, wherein said check valve is the only entry point for said substance into said reservoir; and

    a plurality of 15-40 gauge microneedles coupled to said outlet tip and having a channel extending through the microneedles in continuous fluid communication with said reservoir for delivering the substance to a patient.

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