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    • 5. 发明授权
    • Fluid-powered applicator for medicaments
    • 用于药物的流体动力应用程序
    • US3675651A
    • 1972-07-11
    • US3675651D
    • 1970-02-25
    • MEYER LOUIS C
    • MEYER LOUIS C
    • A61M5/20A61M5/00
    • A61M5/204
    • A power-actuated medicament applicator device includes a pressure cylinder and an injection needle or like applicator tool with a piston portion worked by pressure in the cylinder to drive the needle into the skin and then force a quantity of medicament carried in an accompanying container through the piston. The piston is carried in a normally retracted position in the cylinder and will extend through a restricted opening in an end wall thereof. The container for the medicament is located adjacent the cylinder and is carried in a rupturable ampule made of a flexible material. Flow passages between the pressure cylinder and container are arranged so that once the piston has moved to its extended position the container is pressurized to compress the ampule and medicament is forced from the container and through the needle or other applicator tool.
    • 动力驱动的药物施加器装置包括压力缸和注射针或类似的涂抹器工具,其中活塞部分通过压力在气缸中加工,以将针驱动到皮肤中,然后将一定数量的携带在伴随容器中的药物通过 活塞。 活塞被承载在气缸中的正常缩回位置,并且将延伸穿过其端壁中的限制开口。 用于药物的容器位于圆柱体附近并且被携带在由柔性材料制成的可破裂的安瓿中。 压力缸和容器之间的流动通道被布置成使得一旦活塞已经移动到其延伸位置,则容器被加压以压缩安瓿,并且药物从容器和通过针或其它施用工具被迫动。