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    • 5. 发明申请
    • Syringe assembly with improved cap and luer connector
    • 注射器组件具有改进的帽和鲁尔连接器
    • US20050251096A1
    • 2005-11-10
    • US10842610
    • 2004-05-10
    • George ArmstrongErnest BalestracciBarry DeDominicisGayle HeffernanCharles Quirco
    • George ArmstrongErnest BalestracciBarry DeDominicisGayle HeffernanCharles Quirco
    • A61M5/145A61M5/31A61M5/315A61M5/34
    • A61M5/347A61M5/14546A61M2005/3104A61M2005/31516
    • A prefilled syringe assembly that includes a syringe barrel of cylindrical configuration having an inner surface that defines a cylindrical chamber, a shoulder portion connected to the cylindrical chamber, a neck portion connected to the shoulder portion and a tapered tip that terminates at the distal end. The tapered tip extends a first distance along the neck portion toward the distal end and having a shaft and a bore therethrough. The syringe barrel further includes a luer collar that terminates at the distal end and extends a second distance along the longitudinal axis from the neck portion toward the distal end such that the second distance is about equal to the first distance. The prefilled syringe assembly also includes a piston that is received through the proximal end and is positioned within the syringe barrel. The prefilled syringe assembly provides an elastomeric plug that is disposed at the distal end which protects the tapered tip from external forces and microscopic crazing during sterilization.
    • 一种预充式注射器组件,其包括具有限定圆柱形腔室的内表面的圆柱形构造的注射器筒体,连接到圆柱形腔室的肩部部分,连接到肩部部分的颈部部分和终止于远端的锥形尖端。 锥形尖端沿着颈部朝向远端延伸第一距离,并且具有轴和穿过其中的孔。 注射器筒还包括鲁尔颈圈,其终止于远端并沿着纵向轴线从颈部朝向远端延伸第二距离,使得第二距离大约等于第一距离。 预充式注射器组件还包括活塞,该活塞通过近端容纳并且位于注射器筒内。 预充式注射器组件提供弹性体塞,其设置在远端处,其保护锥形尖端免受外力和灭菌期间的微小裂纹。