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    • 21. 发明申请
    • Iontophoresis device
    • 离子渗透装置
    • US20070066932A1
    • 2007-03-22
    • US11522095
    • 2006-09-14
    • Hidero AkiyamaMizuo NakayamaTakehiko MatsumuraAkihiko Matsumura
    • Hidero AkiyamaMizuo NakayamaTakehiko MatsumuraAkihiko Matsumura
    • A61N1/30
    • A61N1/303A61N5/0601A61N5/0603A61N5/062A61N2005/0606A61N2005/063A61N2005/0644A61N2005/0651
    • An shaped iontophoresis device is capable of permeating an active agent (e.g., a drug solution) into an oral cavity, a skin cancer, or the like by iontophoresis in a pinpoint manner. A catheter-type iontophoresis device includes a small working electrode assembly and a small non-working electrode assembly at the tip of a holding portion. A first ion exchange membrane and a fourth ion exchange membrane at the tips of the assemblies are brought into close contact with a target area so that a drug solution is permeated by iontophoresis in a pinpoint manner. The working electrode assembly and the non-working electrode assembly 14 are attached to the tip of a rod-shaped member. The rod-shaped member is detachable from the tip of the holding portion, and is exchangeable integrally with the portion. The iontophoresis device may advantageously take the form of a rod or catheter.
    • 成形的离子电渗装置能够以精确的方式通过离子电渗法将活性剂(例如药物溶液)渗透到口腔,皮肤癌等中。 导管型离子电渗疗法装置包括小型工作电极组件和在保持部分的尖端处的小型非工作电极组件。 在组件顶端的第一离子交换膜和第四离子交换膜与目标区域紧密接触,使得药液以精确的方式通过离子电渗渗透。 工作电极组件和非工作电极组件14附接到杆状构件的尖端。 杆状构件可从保持部的顶端拆卸,并且与该部分一体地更换。 离子电渗装置可以有利地采取棒或导管的形式。
    • 22. 发明申请
    • Iontophoresis device
    • 离子渗透装置
    • US20060116628A1
    • 2006-06-01
    • US11172058
    • 2005-06-30
    • Akihiko MatsumuraTakehiko MatsumuraMizuo NakayamaHidero Akiyama
    • Akihiko MatsumuraTakehiko MatsumuraMizuo NakayamaHidero Akiyama
    • A61N1/30
    • A61N1/0444A61N1/0436A61N1/0448
    • An iontophoresis device is capable of suppressing the change in a composition of a drug solution and/or an electrolyte solution of a working electrode structure, thereby allowing the working electrode structure to be retained in a stable state for a long period of time. The iontophoresis device includes: an electrolyte solution holding part for holding an electrolyte solution in which an electrolyte to be dissociated, in a solution, to first electrolytic ions of a first polarity and second electrolytic ions of a second polarity is dissolved; and a drug solution holding part for holding a drug solution in which a drug to be dissociated, in a solution, to the drug ions of the first polarity and drug counter ions of the second polarity is dissolved. A first ion-exchange membrane for selectively passing the ions of the second polarity and a porous separation membrane for blocking passage of molecules and ions each having a molecular weight exceeding a threshold are placed between the electrolyte solution holding part and the drug solution holding part.
    • 离子电渗疗法装置能够抑制药液和/或工作电极结构体的电解质溶液的组成变化,从而使工作电极结构长期保持在稳定状态。 离子电渗装置包括:电解液保持部,其用于保持电解质溶液,其中溶解有解离的电解质溶解于第一极性的第一电解质离子和第二极性的第二电解质离子; 并且溶解有溶液中解离药物的第一极性的药物离子和第二极性的药物抗衡离子的药液的药物溶液保持部溶解。 用于选择性地通过第二极性的离子的第一离子交换膜和用于阻止分子量超过阈值的分子和离子通过的多孔分离膜被放置在电解质溶液保持部和药物溶液保持部之间。