Transdermal drug administration device

Details Transdermal drug administration device Transdermal drug administration device

A - Human Necessities

61

M

A61M 37/00 (2006.01)

Patent

CA 2662499

The present invention provides a transdermal drug administration device capable of freely controlling release of the drug. The transdermal drug administration device of the present invention contains a backing layer and a matrix layer provided on at least one surface of the backing layer, wherein the matrix layer contains a region located on a proximal side from the backing layer and a region located on a distal side from the backing layer, and the water-absorbing polymers therein have different weight concentrations, which enables high control of a drug released from the device.

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