THREE-POSITION PLUNGERS, FILM COATED PLUNGERS AND RELATED SYRINGE ASSEMBLIES
    7.
    发明公开
    THREE-POSITION PLUNGERS, FILM COATED PLUNGERS AND RELATED SYRINGE ASSEMBLIES 审中-公开
    三位柱塞,薄膜涂层柱塞和相关注射器组件

    公开(公告)号:EP3191159A1

    公开(公告)日:2017-07-19

    申请号:EP15718053.0

    申请日:2015-04-06

    IPC分类号: A61M5/315 A61M5/31

    摘要: A three-position plunger is provided including a sleeve having an opening at a distal end, a pre-load cavity proximal to and in communication with the opening, a first cavity proximal to and in communication with the pre-load cavity, a second cavity proximal to and in communication with the pre-load cavity, and at least one rib. The rib(s) is generally aligned with the first cavity. The plunger further includes an insert configured to be displaced from the pre-load cavity to the first cavity and from the first cavity to the second cavity. The insert is configured to provide support for the compression of the rib(s) when the insert is positioned in the first cavity.

    摘要翻译: 提供了三位柱塞,其包括在远端处具有开口的套筒,靠近开口且与开口连通的预加载腔,接近预加载腔并与之连通的第一腔,第二腔 靠近预载腔并与其连通,以及至少一个肋。 一个或多个肋通常与第一腔对齐。 所述柱塞还包括插入件,所述插入件构造成从所述预加载腔移动到所述第一空腔并且从所述第一空腔移动到所述第二空腔。 插入件被构造为当插入件定位在第一腔中时为肋的压缩提供支撑。