| 摘要 |
PURPOSE:The titled pharmaceutical, used by combination of separate layers of a drug and a base, capable of administering a very small amount of the drug efficiently and adjusting the release rate and release time of the chemical, and storable stably for a long period. CONSTITUTION:A percutaneous absorptive pharmaceutical prepared by applying two sheets of peelable protective waterproof paper or plastic films 2 and 3 to both sides of a drug layer 1 containing a drug uniformly in a natural or synthetic high polymer capable of forming a solid or gel, forming a gelatinous base 5 having action of dissolving the drug from the above-mentioned drug layers 1 and developing the drug on the skin on a support carrier 4, e.g. a piece of cloth, nonwoven fabric or synthetic resin sheet, in the form of a layer, mounting a peelable protective plastic film 6 on the surface thereof to form a base layer 9. In use, the plastic films 2 and 6 of the respective layers are removed, and the drug layer 1 is applied to the surface of the base 5. The plastic film 3 is then removed to fix the surface of the drug layer 1 on the skin.
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