透皮给药系统或经皮吸收制剂（transdermal drug delivery systems, transdermal thrapeutic systems,简称TDDS,TTS）指经皮肤贴敷方式用药，药物由皮肤吸收进入全身血液循环并达到有效血药浓度、实现疾病治疗或预防的一类制剂。
该经皮吸收制剂具有 使用方便、安全、有效、涂布性好、无刺激性和无中枢性副作用的优点。
The preparation of the invention has the advantages of convenient use, safety, high effectiveness, good spreading property and no irritation and nerve central side effect.
目的研究双氯芬酸钾(DP)脂质体制剂的制备及体外的经皮吸收特点。
Objective to study the preparation of topical liposomal diclofenac potassium (DP) formulation and the percutaneous absorption in vitro.
经皮给药制剂是一种有着广阔市场前景的给药途径，但皮肤使多数药物难以渗透吸收。
Transdermal drug delivery systems (TDDS) have broad market prospects. However, transdermal delivery is limited by the inability of the large majority of drugs to cross skin.
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