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Method of making coated microstructures

  • US 9,364,426 B2
  • Filed: 02/20/2014
  • Issued: 06/14/2016
  • Est. Priority Date: 06/17/2005
  • Status: Expired due to Fees
First Claim
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1. A method for coating at least one microneedle comprising:

  • providing a coating liquid disposed in one or more reservoirs, the coating liquid comprising at least one drug;

    providing a physical mask having one or more apertures extending therethrough, each aperture having cross-section dimensions larger than the at least one microneedle to be coated;

    aligning the at least one microneedle with at least one of the one or more apertures;

    inserting the at least one microneedle through the aligned aperture and into the coating liquid, thereby coating at least a portion of the microneedle; and

    removing the coated microneedle from the coating liquid and from the aperture.

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