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Microprotrusion member retainer for impact applicator

  • US 6,855,131 B2
  • Filed: 10/12/2001
  • Issued: 02/15/2005
  • Est. Priority Date: 10/13/2000
  • Status: Expired due to Term
First Claim
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1. An assembly for use in a stratum-corneum piercing drug delivery system comprising:

  • a microprotrusion member having a plurality of stratum corneum piercing microprotrusions thereon and being adapted for piercing the stratum corneum to improve transdermal agent flux; and

    a retainer which is releasably attached to said microprotrusion member and wherein said retainer is adapted to be attached to an impacting device;

    wherein the microprotrusion member further comprises a central section having microprotrusions thereon, an adhesive section surrounding the central section, a frangible section surrounding the adhesive section, and an outer portion surrounding the frangible section attached to the retainer.

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