3m Innovative Properties Company

John K Simons

Franklyn L Frederickson

James T Wolter

Peter R Johnson

A device () for applying a microneedle array to a skin surface. The device comprises a base () defining a skin contacting plane, an array component having a skin facing side comprising a microneedle array, and at least one connecting member () having a first portion affixed through a first hinge () to the base and a second portion affixed to the array component. The connecting member has a first equilibrium position with the microneedle array in a recessed position within the device and a second equilibrium position with the microneedle array positioned so as to be able to contact a skin surface.

Device for applying a microneedle array

Coatable compositions and coatings derived from the coatable compositions, and microarrays comprising such coatings are described. In one aspect, the invention provides a microarray comprising: a plurality of microneedles extending from a support substrate; a coating deposited on at least one of the plurality of microneedles, the coating comprising an active agent and a biological salt. In another aspect, the invention provides a coatable composition, comprising: active agent; a biological salt; and solvent. In still another aspect, the invention provides a dried coating coated on a microneedle, the coating comprising: an active agent; and a biological salt.

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Maplewood, MN, United States of America

John K Simons