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    • 45. 发明申请
    • Drug Delivery System with Breakaway Plunger Extractor
    • 具有分离式柱塞提取器的药物输送系统
    • US20090099525A1
    • 2009-04-16
    • US11870635
    • 2007-10-11
    • William LAWSON
    • William LAWSON
    • A61M5/145
    • A61M5/14244A61M5/14566A61M5/24A61M5/31511A61M2005/31508A61M2005/5073A61M2205/273
    • Described is a drug delivery system and method for inserting a cartridge into a chamber in a drug infusion device to inhibit refilling or reuse of a cartridge. In one embodiment, a drug delivery system is provided that includes a chamber and a cartridge configured for insertion into the chamber. The cartridge includes a hollow barrel for receiving and storing a drug, a plunger having a distal end and a proximal end, where the distal end of the plunger is slidably insertable and movable within the barrel. A breakaway extractor is disposed external to the barrel and is removably attached to the proximal end of the plunger. After insertion of the cartridge into the barrel, the breakaway extractor may be detached from the cartridge, to inhibit the retraction of the plunger from within the barrel of the cartridge and refilling of the cartridge.
    • 描述了用于将药筒插入药物输注装置中的腔室中以禁止药筒重新填充或重新使用的药物递送系统和方法。 在一个实施例中,提供了药物递送系统,其包括腔室和构造成用于插入腔室的药筒。 药筒包括用于接收和储存药物的中空筒,具有远端和近端的柱塞,其中柱塞的远端可滑动地插入并在筒内可移动。 分离提取器设置在筒的外部并且可移除地附接到柱塞的近端。 在将墨盒插入镜筒之后,分离式提取器可以从墨盒中分离出来,以阻止柱塞从墨盒的筒内收回并重新填充墨盒。