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    • 6. 发明授权
    • Simultaneous delivery of two drugs from unit delivery device
    • 从单位传送装置同时递送两种药物
    • US4449983A
    • 1984-05-22
    • US360589
    • 1982-03-22
    • Richard CorteseBrian BarclayFelix Theeuwes
    • Richard CorteseBrian BarclayFelix Theeuwes
    • A61K9/00A61K9/22A61K9/52A61M31/00
    • A61K9/0004
    • An osmotic device is disclosed for delivering two beneficial drugs to an environment of use. The device comprises a wall surrounding a lumen divided into a first compartment containing a drug that is separated by a hydrogel partition from a second compartment containing a different drug. An orifice through the wall communicates with the first compartment for delivering drug formulation from the first compartment, and another orifice through the wall communicates with the second compartment for delivering drug formulation from the second compartment. In operation, drug formulation is dispensed separately from each compartment by fluid being imbibed through the wall into each compartment at a rate controlled by the permeability of the wall and the osmotic pressure gradient across the wall against the drug formulation in each compartment thereby producing in each compartment a solution containing drugs, and by the expansion and swelling of the hydrogel, whereby drug formulation is dispensed through their orifices at a controlled and continuous rate over a prolonged period of time.
    • 公开了用于将两种有益药物递送到使用环境的渗透装置。 该装置包括围绕分隔成第一隔室的内壁的壁,所述第一隔室含有由水凝胶隔板与含有不同药物的第二隔室隔开的药物。 通过该壁的孔与第一隔室连通,用于从第一隔室输送药物制剂,并且穿过该壁的另一个孔与第二隔室连通,用于从第二隔室输送药物制剂。 在操作中,药物制剂与每个隔室分开分配,流体通过壁被吸入每个隔室,其速率由壁的渗透性和穿过壁的渗透压梯度相对于每个隔室中的药物制剂控制,从而在每个隔室中产生 隔室含有药物的溶液,以及水凝胶的膨胀和溶胀,由此药物制剂在长时间内以受控和连续的速率通过它们的孔分配。
    • 7. 发明授权
    • Osmotic device for dispensing two different medications
    • 渗透装置用于分配两种不同的药物
    • US4455143A
    • 1984-06-19
    • US360396
    • 1982-03-22
    • Felix TheeuwesBrian BarclayRichard Cortese
    • Felix TheeuwesBrian BarclayRichard Cortese
    • A61M31/00A61K9/00A61K9/22A61K9/52
    • A61K9/0004
    • An osmotic device is disclosed for delivering two beneficial drugs to an environment of use. The device comprises a semipermeable wall surrounding a lumen divided into a first compartment containing a drug that is separated from a second compartment containing a different drug. An orifice through the wall communicates with the first compartment for delivering drug from the first compartment, and another orifice through the wall communicates with the second compartment for delivering drug from the second compartment. In operation, drug is dispensed separately from each compartment by fluid being imbibed through the wall into each compartment at a rate controlled by the permeability of the wall and the osmotic pressure gradient across the wall against the drug in each compartment thereby producing in each compartment a solution containing drug that is dispensed through their orifices at a controlled and continuous rate over a prolonged period of time.
    • 公开了用于将两种有益药物递送到使用环境的渗透装置。 该装置包括围绕分隔成包含药物的内腔的半透壁,所述第一隔室含有与含有不同药物的第二隔室分离的药物。 通过该壁的孔与第一隔室连通,用于从第一隔室输送药物,另一个穿过该壁的孔与第二隔室连通,用于从第二隔室输送药物。 在操作中,药物从每个隔室分开分配,流体通过壁被吸入每个隔室中,其速率由壁的渗透性和穿过壁的渗透压梯度相对于每个隔室中的药物控制,从而在每个隔室中产生 含有药物的溶液在长时间内以受控和连续的速率通过其孔口分配。