Microneedle arrays formed from polymer films
First Claim
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1. A transdermal delivery device, comprising:
- a polymer base layer having microneedles projecting from a surface thereof, wherein the microneedles are compositionally homogenous with the polymer base layer, and wherein the microneedles of the transdermal delivery device are configured to be left in a skin surface of a subject to provide sustained delivery of an active agent even after removal of the polymer base layer, and wherein the polymer of the polymer base layer and the microneedles is polyvinyl alcohol.
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Abstract
The present invention provides for transdermal delivery devices having microneedle arrays, as well as methods for their manufacture and use. In one embodiment, a transdermal delivery device is provided. The transdermal delivery device includes a polymer layer which has microneedles projecting from one of its surfaces. The microneedles are compositionally homogenous with the polymer base layer.
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7 Claims
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1. A transdermal delivery device, comprising:
a polymer base layer having microneedles projecting from a surface thereof, wherein the microneedles are compositionally homogenous with the polymer base layer, and wherein the microneedles of the transdermal delivery device are configured to be left in a skin surface of a subject to provide sustained delivery of an active agent even after removal of the polymer base layer, and wherein the polymer of the polymer base layer and the microneedles is polyvinyl alcohol. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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