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US 12,239,767 B2Granted
Dissolvable microneedle arrays for transdermal delivery to human skin
AssigneesUniversity of Pittsburgh—Of the Commonwealth System of Higher Education, Carnegie Mellon University
InventorsLouis D. Falo, Jr., Geza Erdos, O. Burak Ozdoganlar
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Abstract
A method of forming a microneedle array can include forming a sheet of material having a plurality of layers and micromilling the sheet of material to form a microneedle array. At least one of the plurality of layers can include a bioactive component, and the microneedle array can include a base portion and plurality of microneedles extending from the base portion.
Claims16
A dissolvable microneedle array comprising:
- a base portion;
- and
- a plurality of microneedles, the microneedles extending from a surface of the base portion and being pre-formed to have a pillar shape,
- wherein the microneedles comprise a dissoluble biocompatible material, and
- wherein the microneedles comprise a bioactive agent.
2 more elements
Dependencies are inferred from the claim text.