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    RETRACTABLE SYRINGE WITH IMPROVED DELIVERY EFFICIENCY AND LOCKING SYSTEM
    2.
    发明申请
    RETRACTABLE SYRINGE WITH IMPROVED DELIVERY EFFICIENCY AND LOCKING SYSTEM 审中-公开
    具有改进的交付效率和锁定系统的可回收的发送器

    公开(公告)号：US20150141936A1

    公开(公告)日：2015-05-21

    申请号：US14577262

    申请日：2014-12-19

    申请人： UNITRACT SYRINGE PTY LTD

    发明人： Craig Stephen Thorley ,  Joseph Hermes Kaal ,  Richard Sokolov ,  Ernesto Hueso ,  Huw Wallis ,  Scott Chad ,  Christopher Dunn

    IPC分类号： A61M5/32 ,  B32B37/14 ,  B32B37/18 ,  A61M5/50

    CPC分类号： A61M5/322 ,  A61M5/31511 ,  A61M5/3234 ,  A61M5/50 ,  A61M2005/323 ,  A61M2005/3231 ,  A61M2205/19 ,  A61M2207/00 ,  B32B37/142 ,  B32B37/18 ,  Y10T29/49826

    摘要： A plunger, a needle assembly and a retractable syringe comprising same are provided. The plunger comprises a plunger member and a plunger outer having a lock spring that prevents or impedes movement of the plunger member after needle retraction. The plunger further comprises another locking member for engaging the barrel to prevent or impede further movement of the plunger outer after delivery of fluid contents. The plunger member has a plunger seal which engages a retractable needle of the needle assembly for retraction. The retractable needle comprises a cannula and needle body with a plurality of fluid channels that co-operate with a fluid conduit of the plunger seal to efficiently direct fluid to the cannula. A needle retainer comprises a plurality of barbed arms releasably coupled to the needle body, whereby an ejector with tabs facilitates release of the retractable needle from the needle retainer to allow compressed spring-driven retraction.

    摘要翻译： 提供了柱塞，针组件和包括其的可缩回注射器。 柱塞包括柱塞构件和具有锁定弹簧的柱塞外部，其在针回缩之后防止或阻止柱塞构件的移动。 柱塞还包括用于接合筒体的另一个锁定构件，以防止或妨碍在输送流体内容物之后柱塞外部的进一步移动。 柱塞构件具有柱塞密封件，其接合针组件的可缩回针以缩回。 可伸缩针包括插管和针体，其具有与柱塞密封件的流体导管配合的多个流体通道，以有效地将流体引导到套管。 针保持器包括可释放地联接到针体的多个倒钩臂，由此具有翼片的推出器有助于将可缩回针从针保持器释放以允许压缩的弹簧驱动缩回。

    PREFILLED RETRACTABLE SYRINGE, PLUNGER AND NEEDLE ASSEMBLY
    3.
    发明申请
    PREFILLED RETRACTABLE SYRINGE, PLUNGER AND NEEDLE ASSEMBLY 有权
    预先可回收的注射器，冲洗器和针头组件

    公开(公告)号：US20130338602A1

    公开(公告)日：2013-12-19

    申请号：US13688386

    申请日：2012-11-29

    申请人： Unitract Syringe PTY LTD.

    发明人： Craig Stephen Thorley ,  Joseph Hermes Kaal ,  Chris Rafferty ,  Richard Sokolov ,  Ernesto Hueso ,  Huw Wallis ,  Steve Chi Truong

    IPC分类号： A61M5/32

    CPC分类号： A61M5/3232 ,  A61M5/31511 ,  A61M5/3202 ,  A61M5/3234 ,  A61M5/345 ,  A61M2005/3103 ,  A61M2005/323 ,  A61M2005/3231 ,  A61M2005/3238 ,  A61M2005/5073 ,  A61M2205/581 ,  A61M2205/582 ,  Y10T29/49826

    摘要： A retractable syringe, plunger and releasable needle assembly including a retractable needle, a needle seal, a retaining member and an ejector member. The retaining member has a mating surface for mounting to a complementary mating surface of an interior wall of a syringe barrel. The plunger comprises a plunger outer, a plunger rod frangibly connected to a controlling member, a spring and a unitary plunger seal capable of engaging the retractable needle, wherein the plunger rod, plunger outer and the controlling member co-operate to releasably maintain the spring in an initially compressed state. After delivery of fluid contents of the syringe, the plunger forces the ejector member to release the retractable needle from the retaining member. Decompression of the spring at the end of depression of the plunger facilitates retraction of the retractable needle when engaged with the unitary plunger seal.

    摘要翻译： 可伸缩的注射器，柱塞和可释放的针组件，其包括可缩回的针，针密封件，保持构件和顶出件。 保持构件具有用于安装到注射器筒的内壁的互补配合表面的配合表面。 柱塞包括柱塞外部，易于连接到控制构件的柱塞杆，弹簧和能够接合可缩回针的​​单一柱塞密封件，其中柱塞杆，柱塞外部和控制构件协作以可释放地保持弹簧 处于初始压缩状态。 在输送注射器的流体内容物之后，柱塞迫使顶出部件从保持件释放可伸缩的针。 在柱塞压下结束时，弹簧的减压有助于可缩回针在与单一柱塞密封件接合时的缩回。