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Device and method for delivering or withdrawing a substance through the skin

  • US 20090112181A1
  • Filed: 12/22/2008
  • Published: 04/30/2009
  • Est. Priority Date: 02/04/2002
  • Status: Abandoned Application
First Claim
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1. A method of delivering a substance through at least one layer of the skin of a subject, the method comprising the steps of:

  • providing a device having a substantially circular shaped body having a top face, a bottom face spaced from the top face, and a side edge having a flange, the body having a channel, wherein the bottom face includes at least one raised conical frustum shaped protrusion disposed on the bottom face having a skin abutment surface;

    at least one dermal-access member being provided in each of the at least one raised conical frustum shaped protrusion and in fluid communication with the channel, wherein the at least one dermal-access member extends from about 0.3 mm to about 3 mm from the skin abutment surface wherein the channel is fluidically coupled to a fluid delivery system selected from the group consisting of syringe, pump, and medication delivery pen;

    positioning the at least one dermal-access member on a target site of the skin of the subject;

    applying a pressure against the device sufficient for the at least one dermal-access member to penetrate the skin and for the skin abutment surface to contact the skin; and

    delivering a substance to the target site of the subject.

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