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AssigneesNitto Electric Industrial Co., Ltd., Takeda Chemical Industries, Ltd.
InventorsAkihito Yamanaka, Saburo Otsuka, Yoshifumi Hosaka
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A medical adhesive comprising a plaster layer containing the following ingredients, characterized in that the ingredient 2 is incorporated in a larger amount than the ingredient 5 and in an amount not less than 25% by weight relative to the total amount of the ingredients 1.about.5, and the plaster layer is a W/O type: 1 a medicinal ingredient, 2 a hydrophobic polymer having a glass transition temperature (Tg) of -65.degree. C. to 35.degree. C. 3 a percutaneous absorption-promoting agent, 4 water, and 5 a hydrophilic polymer which is soluble or capable of swelling in water; and a medical adhesive which comprises a porous base layer in the plaster layer or in contact with the plaster layer, which enable stable release of the medicinal ingredient, the percutaneous absorption-promoting agents and so on and sustaining of the pharmacological effects over a long period.
A medical preparation comprising a plaster layer containing the following ingredients:
A medical preparation comprising a plaster layer containing the following ingredients:
Dependencies are inferred from the claim text.