CPC A61M 37/0015 (2013.01) [A61B 5/150022 (2013.01); A61B 5/150221 (2013.01); A61B 5/150229 (2013.01); A61B 5/150282 (2013.01); A61B 5/150427 (2013.01); A61B 5/150435 (2013.01); A61B 5/150503 (2013.01); A61B 5/150511 (2013.01); A61B 5/150984 (2013.01); A61B 5/15113 (2013.01); A61B 5/15144 (2013.01); A61B 5/157 (2013.01); A61B 5/150526 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0046 (2013.01); A61M 2037/0053 (2013.01); Y10T 29/4998 (2015.01)] | 22 Claims |
1. A microneedle structure comprising:
an annular ring having an inner circumference and an outer circumference; and
a first plurality of microneedles that each includes a base portion and a penetrating portion, the base portions of the first plurality of microneedles lying in a plane and arranged in a circular configuration at the outer circumference of the annular ring, the penetrating portions of the first plurality of microneedles extending in a direction perpendicular to the plane.
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