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    • 4. 发明授权
    • Local concentration management system
    • 本地集中管理制度
    • US07438701B2
    • 2008-10-21
    • US09917181
    • 2001-07-26
    • Felix TheeuwesSu Il Yum
    • Felix TheeuwesSu Il Yum
    • A61M29/00
    • A61M25/00A61M25/0043A61M2025/0057A61M2025/105A61M2025/1086
    • The invention provides a local concentration management system (LCMS) for delivery of highly concentrated therapeutic agent formulations. The LCMS comprises a device comprising an elongate body defining a lumen between its proximal and distal ends, and a diffuser element, a dilutor element, or both. The diffuser element, which is selectively permeable to the agent, is operatively associated with the elongate body so that agent flows through the elongate body, and into and through the diffuser element to exit the system. The dilutor element can be operatively associated with the system to be in fluid communication with the elongate body lumen, a diffusion space defined by a diffuser element inner wall, or both. The dilutor element is selectively water permeable, but substantially impermeable to agent, to provide for dilution of the agent during transit through the system. The LCMS system is designed to disperse and/or dilute the drug delivery stream.
    • 本发明提供了用于递送高度浓缩的治疗剂制剂的局部浓度管理系统(LCMS)。 LCMS包括装置,其包括在其近端和远端之间限定内腔的细长主体,以及扩散器元件,稀释元件或两者。 对试剂选择性渗透的扩散器元件可与细长体可操作地连接,使得试剂流过细长体并进入并通过扩散器元件以离开系统。 稀释元件可以与系统可操作地相关联以与细长体腔流体连通,由扩散器元件内壁或两者限定的扩散空间。 稀释剂元件选择性地是水可渗透的,但是对试剂基本上是不可渗透的,以便在通过系统运输期间提供试剂的稀释。 LCMS系统被设计成分散和/或稀释药物输送流。
    • 9. 发明授权
    • Delayed onset transdermal delivery device
    • 延迟发作透皮递送装置
    • US5284660A
    • 1994-02-08
    • US933423
    • 1992-08-21
    • Eun Soo LeeFelix TheeuwesPatrick S. L. WongSu Il YumRobert M. GaleAlejandro Zaffaroni
    • Eun Soo LeeFelix TheeuwesPatrick S. L. WongSu Il YumRobert M. GaleAlejandro Zaffaroni
    • A61K9/00A61K9/22A61K9/70A61F13/00
    • A61K9/7084A61K9/7069A61K9/7092
    • A diffusional drug delivery device is described which can provide for delayed onset of therapeutic effect and for delivery of the therapeutic agent in predetermined temporal patterns at optimum rates. Delay means are provided between the agent reservoir and the surface through which the agent is released by diffusion to delay the release of agent at a therapeutic rate for predetermined times after application. Suitable means include a delay membrane disposed between the releasing surface and the agent reservoir, which membrane is preferably free of undissolved agent and/or is initially impermeable to the agent and thereafter becomes permeable. One or more agent chambers defined by one or more of such membranes may be provided, whereby agents are released in predetermined temporal patterns at optimal release rates. Delayed permeability enables programmed washout periods to be obtained from the sequential and concurrent application of devices for the administration of drugs, such as nitrates, to which patients may develop a tolerance on continuous administration over extended time periods.
    • 描述了扩散药物递送装置,其可以提供治疗效果的延迟开始和以最佳速率以预定时间模式递送治疗剂。 在药剂储存器和通过扩散释放药剂的表面之间提供延迟装置,以在施用后以治疗速率延迟药剂释放预定时间。 合适的方法包括设置在释放表面和药剂储存器之间的延迟膜,该膜优选不含未溶解的试剂和/或最初不能渗透到试剂中,然后变得可渗透。 可以提供由一种或多种这样的膜限定的一个或多个试剂室,由此以最佳释放速率以预定的时间模式释放试剂。 延迟渗透性使得能够从连续和同时使用用于施用诸如硝酸盐的药物的装置获得程序性洗脱期,患者可以在延长的时间段内持续施用耐受性。