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    • 2. 发明授权
    • Medicine delivery system
    • 药物输送系统
    • US06953455B2
    • 2005-10-11
    • US10207934
    • 2002-07-30
    • Steven T. ChoKeith CromackJames Jara-AlmonteDon J VerLee
    • Steven T. ChoKeith CromackJames Jara-AlmonteDon J VerLee
    • A61K9/22A61M5/142A61M31/00
    • A61K9/0024A61M5/14276A61M31/002A61M2205/0244
    • A medicine delivery system (10) implantable into a human or animal body includes a medicine delivery unit (14) and a control unit (12). A membrane (26) seals the delivery opening (22) of a medicine compartment (18) and is pre-stressed by an amount less than the predetermined elastic deformation and rupture point limits of the membrane (26). A release element (28) associated with compartment (18) causes the membrane (26) to be stressed beyond the deformation and rupture point limits in response to a control signal (78). Release element (28) ruptures the membrane (26) along a predetermined rupture pattern to permit a first membrane portion (35), forming a hinged lid, to separate from a second membrane portion (37) along the predetermined rupture pattern while remaining attached to the second membrane portion at a hinge (39).
    • 植入人体或动物体内的药物输送系统(10)包括药物输送单元(14)和控制单元(12)。 膜(26)密封药物隔室(18)的输送口(22),并且预压力小于膜(26)的预定弹性变形和破裂点极限的量。 与隔室(18)相关联的释放元件(28)响应于控制信号(78)使膜(26)被应力超过变形和破裂点限制。 释放元件(28)沿着预定的破裂图案破裂膜(26),以允许形成铰接盖的第一膜部分(35)沿着预定的破裂图案与第二膜部分(37)分离,同时保持附着于 铰链(39)处的第二膜部分。