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    • 3. 发明申请
    • METHODS AND APPARATUS FOR PREPARATION OF LIPID VESICLES
    • 用于制备脂质体的方法和装置
    • WO0105373A9
    • 2002-08-29
    • PCT/CA0000842
    • 2000-07-14
    • INEX PHARMACEUTICALS CORPKNOPOV VICTORDZUBANOV KIRILLHARPER KEVINCULLIS PIETER R
    • KNOPOV VICTORDZUBANOV KIRILLHARPER KEVINCULLIS PIETER R
    • A61J3/07A61K9/127A61K9/133A61K31/7125A61K45/00A61K47/10A61K47/12A61K47/16A61K47/18A61K47/24A61K47/28A61K48/00
    • A61K9/1278A61K9/1272A61K9/1277
    • Improved production of lipid vesicles is achieved using an apparatus for preparation of a lipid vesicle that includes: (a) a first reservoir for receiving a buffer composition; (b) a static mixer for agitating buffer composition in the first reservoir; (c) a second reservoir for receiving a lipid solution; (d) a dispensing head for introducing lipid solution from the second reservoir into the first reservoir, and (e) a connector joining the second reservoir to the dispensing head for conducting lipid solution from the second reservoir to the dispensing head. The dispensing head has formed therein one or more injection ports having a diameter of 2 mm or less. To use the apparatus, one first prepares a solution of ethanolic lipid comprising from about 1 to about 100 mg/ml lipid in at least 90% by weight ethanol. This ethanolic lipid is injected directly into aqueous buffer through the injection port to make a lipid/buffer mixture, which is mixed by turbulent passage through a static mixer. The resulting lipid vesicles, prior to an extrusion step, are in about 10 % or more by weight ethanol, and have average diameter of from about 80 nm to about 200 nm.
    • 使用用于制备脂质囊泡的装置实现脂质囊泡的改进的产生,其包括:(a)用于接收缓冲组合物的第一储存器; (b)用于在第一储存器中搅拌缓冲剂组合物的静态混合器; (c)用于接收脂质溶液的第二储存器; (d)用于将脂质溶液从第二储存器引入第一储存器的分配头,以及(e)将第二储存器连接到分配头的连接器,用于将脂溶液从第二储存器传导到分配头。 分配头在其中形成有一个或多个直径为2mm或更小的注射口。 为了使用该装置,首先首先在至少90重量%的乙醇中制备包含约1至约100mg / ml脂质的乙醇脂质溶液。 该乙醇脂质通过注射口直接注入含水缓冲液中以制备脂质/缓冲液混合物,通过静态混合器通过湍流混合。 在挤出步骤之前,所得的脂质囊泡的重量在约10%或更多的乙醇中,平均直径为约80nm至约200nm。