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2. 发明申请

US20140323982A1 AUTO-INJECTOR FOR RETRACTABLE PREFILLED SYRINGE 审中-公开
标题翻译：自动注射器，用于回收式预充式注射器
公开(公告)号：US20140323982A1
公开(公告)日：2014-10-30
申请号：US14328914
申请日：2014-07-11
申请人： UNITRACT SYRINGE PTY LTD
发明人： Katlin M. Lumme , Philip A. Weaver , Joseph Hermes Kaal , Christopher Charles Rafferty , Craig Stephen Thorley , Joel M. Ondrejickla
IPC分类号： A61M5/20
CPC分类号： A61M5/2033 , A61M5/3234 , A61M2005/2026 , A61M2005/3231 , Y10T137/0402
摘要： An actuation mechanism for an automatic injector includes a first actuation spring, a first actuation pill, a second actuation spring, and a second actuation pill. In an initial configuration the first actuation spring resides in a compressed, energized state substantially within an upper portion of first actuation pill and the second actuation spring resides in a compressed, energized state between the first actuation pill and the second actuation pill. An automatic injector includes a housing, an activation mechanism, an actuation mechanism, and a syringe cartridge having a plunger and a needle assembly. A retractable syringe may be utilized as a syringe cartridge, such as a prefilled retractable syringe with integrated safety features which retract the needle after use. The automatic injector may be utilized to inject the needle, deliver a drug treatment, and activate retraction of the needle. Methods of assembly and operation are also provided.
摘要翻译：用于自动注射器的致动机构包括第一致动弹簧，第一致动药片，第二致动弹簧和第二致动丸。在初始构型中，第一致动弹簧位于基本上位于第一致动药片的上部内的压缩的通电状态中，而第二致动弹簧位于第一致动药片和第二致动丸之间的压缩通电状态。自动注射器包括壳体，致动机构，致动机构和具有柱塞和针组件的注射器药盒。可缩回注射器可以用作注射器药盒，例如具有集成安全特征的预充式可缩回注射器，其在使用后缩回针。可以使用自动注射器来注射针头，递送药物治疗，并且激活针头的缩回。还提供了组装和操作的方法。

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