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    • 3. 发明授权
    • Syringe
    • 注射器
    • US07637888B2
    • 2009-12-29
    • US11572225
    • 2005-05-14
    • Jörg Schwarzbich
    • Jörg Schwarzbich
    • A61M5/00A61M5/32A61M5/315
    • A61M5/322A61M2005/3224
    • A syringe includes a piston (16) that is slidably guided in a casing (10), and a needle (20) adapted to be withdrawn into the casing. The piston (16) and the needle (20) are connected by a coupling (22; 22′) which is adapted to assume three states: a releasable coupling state in which the needle (20) can be moved towards the front end of the casing (10) together with the piston (16), an uncoupled state in which the piston (16) can be moved back in the casing (20) separately from the needle (20), and a permanent coupling state in which the needle (20) can be withdrawn into the casing (10) by the piston (16).
    • 注射器包括在壳体(10)中可滑动地引导的活塞(16)和适于被抽出到壳体中的针(20)。 活塞(16)和针(20)通过联接器(22; 22')连接,联接器适于呈现三种状态:可释放的联接状态,其中针(20)能够朝向 壳体(10)与活塞(16)一起处于非耦合状态,其中活塞(16)可以与针(20)分离地在壳体(20)中移回,以及永久性联接状态,其中针 20)可以通过活塞(16)被抽出到壳体(10)中。