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膜剂(Membrane)是指利用成膜材料作为药物的载体,把药物溶解或均匀分散后,经加工制成的薄膜状制剂。它是药剂学中新的剂型之一。从本世纪六十年代开始,国外将此类剂型用于眼结膜囊和皮肤创伤表面等部位。七十年代以后,国内研究用于口服及舌下、眼结膜内、口腔、阴道内和体内植入等不同途径给药,可发挥局部或全身的药效。目前,国内已制成不同品种和不同给药途径的中西药膜剂20余种。例如,口服的有安定、复方苯乙哌啶和喘舒等膜剂;舌下含用的有硝酸甘油膜剂;眼科用的有毛果芸香碱膜剂;外用局麻的有利多卡因膜剂;中药制成膜剂的有万年青甙、丹参、福寿草甙等。其中一些品种已定型并正式投入大量生产。
Membrane refers to a film-like preparation that has been processed to dissolve or uniformly disperse the drug using a film-forming material as a carrier for the drug. It is one of the new dosage forms in pharmacy. From the sixties of this century onwards, such dosage forms abroad for conjunctival sac and skin wounds and other parts of the surface. Seventies, domestic research for oral and sublingual, intraocular conjunctiva, oral, intravaginal and in vivo implantation of different routes of administration, can play a local or systemic efficacy. At present, China has made more than 20 varieties of Chinese and Western medicinal films with different varieties and different routes of administration. For example, oral stability, compound diphenoxylate and asthma and other films; sublingual nitroglycerin-containing film; ophthalmic pilocarpine-coated film; topical local anesthetic lidocaine film; Chinese medicine Film made of a million years of glycosides, Salvia, such as Lvfu glycosides. Some of these varieties have been finalized and put into mass production.