Cannabinoid patch and method for cannabis transdermal delivery

Details Cannabinoid patch and method for cannabis transdermal delivery Cannabinoid patch and method for cannabis transdermal delivery

A - Human Necessities

61

K

A61K 31/352 (2006.01) A61K 9/70 (2006.01) A61K 31/05 (2006.01) A61M 37/00 (2006.01)

Patent

CA 2356020

A transdermal structure is provided for delivering cannabis chemical(s) to one's bloodstream. The structure comprises a backing layer which carries the cannabis chemical(s). The chemicals are contained in a film on the backing layer or within a cavity formed in the backing layer. Alternatively, an opening in a secondary layer that overlies the backing layer may be used to create the cavity. The structure is applied to one's skin so that the cannabis chemicals are in contact with the skin . A polymer material which is mixed with the cannabis and placed in the cavity or a membrane over the cavity may be used to control the flow of cannabis chemical(s) into the bloodstream. In an alternative embodiment, a porous material impregnated with cannabis chemical(s) may be used to hold the chemicals) in the cavity. Because of the relatively slow transdermal flow rate of cannabis materials, it is preferred to utilize permeation enhancers in conjunction with the cannabis carrier or reservoir matrixes or skin contacting adhesive layers.

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