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    • 2. 发明申请
    • ELECTRODE DEVICE FOR IONTOPHORESIS
    • 电极装置
    • WO1997034657A1
    • 1997-09-25
    • PCT/JP1997000113
    • 1997-01-20
    • HISAMITSU PHARMACEUTICAL CO., INC.HIGO, NaruhitoMENO, Tatsuya
    • HISAMITSU PHARMACEUTICAL CO., INC.
    • A61N01/30
    • A61N1/0436A61N1/044A61N1/0444
    • A reusable electrode device for iontophoresis, which prevents metal ions originated from an electrode from entering a human body, minimizes the generation of a gas which causes polarization, greatly increases a transmission current, and prevents damage to the skin which is ascribed to the variation of pH occurring when the device is used for a long period of time. This electrode device for iontophoresis comprises a packing member (1) having an edge portion (1a) of an opening and a chamber (4) to be packed on the inner side of the opening; an electrode terminal (2) provided in the chamber (4); non-adhesive gel (5) containing an electrolytic solvent, a depolarizer, a pH regulator and chemicals and packed in the chamber (4); an inactive electrode (3) covering a base portion of the electrode terminal (2); and a liner (7) bonded to an adhesive layer (6) laminated on the edge portion (1a) to cover the opening.
    • 用于离子电渗疗法的可重复使用的电极装置,其防止源自电极的金属离子进入人体,使产生极化的气体的产生最小化,大大增加透射电流,并且防止由于变化引起的对皮肤的损伤 当器件长时间使用时发生pH。 该离子电渗电极装置包括具有开口部的边缘部分(1a)和填充在开口内侧的室(4)的包装部件(1) 设置在所述室(4)中的电极端子(2); 包含电解溶剂的非粘性凝胶(5),去极化剂,pH调节剂和化学品并包装在室(4)中; 覆盖电极端子(2)的基部的无源电极(3); 以及粘合到层压在边缘部分(1a)上以覆盖开口的粘合剂层(6)的衬垫(7)。
    • 3. 发明申请
    • IONTOPHORESIS DEVICE AND METHOD OF CURRENT CONTROL THEREFOR
    • 电流控制装置及其电流控制方法
    • WO1997007853A1
    • 1997-03-06
    • PCT/JP1996002286
    • 1996-08-12
    • HISAMITSU PHARMACEUTICAL CO., INC.MORI, KenjiNAKAMURA, KatsuhiroHIGO, NaruhitoKUZUMAKI, Noriyuki
    • HISAMITSU PHARMACEUTICAL CO., INC.
    • A61N01/30
    • A61N1/044A61N1/0436A61N1/0448A61N1/325
    • An iontophoresis device which is capable of reducing variations in drug delivery caused by the individual difference in the impedances of the skin or mucous membrane and inhibiting a decrease in drug delivery at a different electrode and is excellent in pharmacological effects, safety, reliability, and mass-producibility. The device comprises a different electrode, an indifferent electrode, a current detection section for determining an active current value as a difference between the value of an applied current flowing between the different and indifferent electrodes when pulse voltage/current are applied and the value of a discharge current flowing when the electric charge accumulated in the living organism is discharged as a result of short-circuiting in the different and indifferent electrodes occurring when the application of pulse voltage/current is suspended, and a feedback control section for controlling the active current value by making pulse voltage/current amplitudes variable. The method of current control for the device comprises the step of determining the active current value and the feedback control step for controlling the active current value.
    • 一种离子电渗装置,其能够减少由皮肤或粘膜的阻抗的个体差异引起的药物递送的变化,并且抑制不同电极的药物递送的降低,并且药理作用,安全性,可靠性和质量优异 -producibility。 该装置包括不同的电极,无关电极,电流检测部分,用于将脉冲电压/电流施加时,将有效电流值确定为在不同电极和不同电极之间流动的施加电流的值之间的差值, 由于在暂时施加脉冲电压/电流时发生的不同电位和不相关电极的短路,积蓄在生物体中的电荷的放电电流流过的放电电流,以及用于控制有功电流值的反馈控制部 通过使脉冲电压/电流幅度变化。 该装置的电流控制方法包括确定有功电流值和用于控制有功电流值的反馈控制步骤的步骤。