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    • 8. 发明申请
    • ELECTROTRANSPORT DEVICES, METHODS AND DRUG ELECTRODE ASSEMBLIES
    • 电子运动装置,方法和药物电极组件
    • WO2009006349A3
    • 2009-03-12
    • PCT/US2008068671
    • 2008-06-27
    • POLYPLUS BATTERY CO INCVISCO STEVEN JNIMON YEVGENIY SKATZ BRUCE
    • VISCO STEVEN JNIMON YEVGENIY SKATZ BRUCE
    • A61N1/30
    • A61N1/0448A61N1/0436A61N1/0444
    • A drug electrode assembly usefully employed in an electrotransport device for the delivery of drugs across a tissue surface includes an electrode, a drug reservoir which stores the drug (including an ionized (e.g., anionic) or neutrally charged drug species), and a liquid impermeable solid-state assist ion conducting barrier layer interposed between the electrode and the drug reservoir. The barrier layer can be a single-ion conductor of a specific (unique) species of ion called the assist ion. During drug delivery, the assist ion moves across the barrier layer into or out of the drug reservoir, and as the assist ion crosses the barrier layer/drug reservoir interphase, the drug species moves to the tissue surface. The assist ion can be, for example, sodium ions (Na+), and the electrode can be an electrode of the assist ion (i.e., a sodium electrode).
    • 在电转运装置中有用的用于穿过组织表面递送药物的药物电极组件包括电极,存储药物(包括离子化(例如阴离子)或中性电荷药物物质)的药物储存器和液体不可渗透的 介于电极和药物储存器之间的固态辅助离子传导阻挡层。 阻挡层可以是称为辅助离子的特定(独特)离子种类的单离子导体。 在药物递送期间,辅助离子穿过阻挡层移入或移出药物储存器,并且随着辅助离子穿过阻挡层/药物储存器中间相,药物物质移动到组织表面。 辅助离子可以是例如钠离子(Na +),电极可以是辅助离子的电极(即,钠电极)。