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    • 73. 发明授权
    • Puncturable membrane for safety syringe
    • 用于安全注射器的可穿刺膜
    • US08398601B2
    • 2013-03-19
    • US12544865
    • 2009-08-20
    • Jeffrey SmithDaniel Thayer
    • Jeffrey SmithDaniel Thayer
    • A61M5/32A61M31/00
    • A61M5/288A61M5/3134A61M5/31511A61M5/347
    • A safety syringe may define a variable fluid chamber and detached needle assembly. The variable fluid chamber may be hermetically sealed off from the environment or ambient air until the needle assembly is attached to a syringe body of the safety syringe. A proximal end of the variable fluid chamber is sealed off from the environment via a seal between a piston and syringe body. The distal end of the variable fluid chamber may be sealed off from the environment via a barrier covering the distal end of the syringe body. The barrier may be punctured to allow fluid to through therethrough at or about the same time when the needle assembly is attached to the distal end portion of the syringe body.
    • 安全注射器可以限定可变流体室和分离的针组件。 可变流体室可以与环境或环境空气密封,直到针组件附接到安全注射器的注射器主体。 可变流体室的近端通过活塞和注射器主体之间的密封件与环境密封。 可变流体室的远端可以通过覆盖注射器主体的远端的屏障与环境密封。 当针组件附接到注射器主体的远端部分时,可以或大约同时间地穿刺屏障以允许流体穿过其中。