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    • 8. 发明授权
    • Locking syringe with integrated bias member
    • 锁定注射器与集成偏置构件
    • US08412310B2
    • 2013-04-02
    • US12563002
    • 2009-09-18
    • Yunxing LiuChun Li
    • Yunxing LiuChun Li
    • A61M5/315A61M5/00
    • A61M5/31501A61B6/481A61B6/504A61M5/007A61M5/20A61M5/3129A61M5/3148A61M5/31505A61M5/31511A61M2005/3139A61M2005/31508
    • A locking syringe with an integrated bias member, for delivering medical fluids at high pressure, can include a housing, a shaft, a piston, a cap assembly, a bias member, and a locking member. A distal end of the housing can interface with a patient delivery apparatus. A piston can be connected to the distal end of the shaft and can include a peripheral sealing surface that can slidably engage the inside surface of the housing to form a movable seal. The cap assembly at the proximal end of the housing can engage the shaft. A base cap can secure the piston within the housing. The bias member can have a distal end coupled to the piston and a proximal end restrained, such as to help pressurize the internal cavity. The user-actuatable locking member can user-selectively engage and inhibit unwanted movement of the shaft.
    • 具有用于在高压下输送医用流体的集成偏压构件的锁定注射器可以包括壳体,轴,活塞,帽组件,偏置构件和锁定构件。 壳体的远端可以与患者输送装置接合。 活塞可以连接到轴的远端并且可以包括周边密封表面,其可滑动地接合壳体的内表面以形成可移动的密封。 在壳体的近端处的帽组件可以接合轴。 底盖可以将活塞固定在壳体内。 偏置构件可以具有联接到活塞的远端和约束的近端,例如帮助加压内部空腔。 用户可致动的锁定构件可以用户选择性地接合和阻止轴的不期望的运动。