Method and device for abrading skin

Details Method and device for abrading skin Method and device for abrading skin

A - Human Necessities

61

M

A61M 37/00 (2006.01) A61B 5/04 (2006.01) A61B 5/151 (2006.01) A61N 1/30 (2006.01)

Patent

CA 2316534

A device includes a plurality of microneedles for abrading the stratum corneum of the skin to form a plurality of grooves in the tissue having a controlled depth and width. The microneedles have a length of about 5-250 microns and generally about 5-200 microns. The device is rubbed over the skin to prepare an abraded site after which a transdermal delivery or sampling device is applied to the abraded delivery site. The abrasion increases the permeability of the skin and the rate of delivery and extraction of a substance without pain or irritation to the patient.

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