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    • 1. 发明申请
    • VACUUM-OPERATED RETRACTABLE SAFETY SYRINGES
    • 真空操作可回收的安全注射器
    • WO2012151314A3
    • 2016-08-25
    • PCT/US2012036178
    • 2012-05-02
    • REVOLUTIONS MEDICAL CORPSOTO ORLANDO
    • SOTO ORLANDO
    • A61M5/31
    • A61M5/3234A61M5/3202A61M2005/323A61M2005/3231A61M2005/3242
    • The disclosure relates to vacuum-operated safety syringes designed to prevent accidental needle prick, wherein the needle of the syringe is retracted after use into a vacuum created within the hollow plunger and/or the syringe barrel of the syringe. An exceedingly simple design with minimal moving parts is provided. Negative pressure is created within a hollow plunger and/or the interior of the barrel during the act of injection as the plunger is depressed. Upon complete depression of the plunger, the retractable needle assembly is drawn into the barrel by the vacuum created in the interior. One or more one-way valves allow and maintain the vacuum that is created during the act of injection. The plunger of the inventive safety syringe can also be manufactured to be preconditioned at negative pressure.
    • 本公开涉及设计成防止意外针刺的真空操作安全注射器,其中注射器的针在使用后缩回到在注射器的中空柱塞和/或注射器筒内产生的真空中。 提供了一个非常简单的设计,最小的移动部件。 当柱塞被压下时,在注射作用期间在空心柱塞和/或筒的内部产生负压。 在完全压下柱塞后,可伸缩的针头组件通过在内部产生的真空吸入筒中。 一个或多个单向阀允许并保持在注射过程中产生的真空。 本发明的安全注射器的柱塞也可制造成在负压下进行预处理。
    • 4. 发明申请
    • VACUUM-OPERATED RETRACTABLE SAFETY SYRINGES
    • 真空操作可回收的安全注射器
    • WO2012151314A2
    • 2012-11-08
    • PCT/US2012/036178
    • 2012-05-02
    • Revolutions Medical CorporationSOTO, Orlando
    • SOTO, Orlando
    • A61M5/3234A61M5/3202A61M2005/323A61M2005/3231A61M2005/3242
    • The present disclosure relates generally to vacuum-operated safety syringes designed to prevent an accidental needle prick, wherein the needle of the syringe is retracted after use into a vacuum created within the hollow plunger and/or the syringe barrel of the syringe. Retraction of the needle assembly is accomplished from minimal moving parts according to an exceedingly simple design. In one aspect, negative pressure (i.e., vacuum) is created within a hollow plunger (e.g., of cylindrical shape) and/or the interior of the syringe barrel during the act of injection as the plunger is depressed through the syringe barrel towards the retractable needle assembly. Upon complete depression of the plunger through the syringe barrel, the retractable needle assembly is drawn into the syringe barrel by the vacuum created in the interior of the syringe barrel. In some embodiments, one or more one-way valves prevent airflow into the interior of the syringe barrel and thereby maintain the vacuum that is created during the act of injection. In some embodiments, the plunger of the inventive safety syringe is manufactured to be pre-conditioned at negative pressure.
    • 本公开一般涉及设计成防止意外针刺的真空操作的安全注射器,其中注射器的针在使用后缩回到在注射器的中空柱塞和/或注射器筒内产生的真空中。 根据非常简单的设计,从最小的移动部件完成针组件的缩回。 在一个方面,当注射器的作用期间当柱塞通过注射器筒朝向可缩回的位置被压下时,在中空柱塞(例如,圆柱形形状)内和/或注射器筒的内部产生负压(即,真空) 针组装。 当柱塞通过注射器筒完全压下时,通过在注射器筒的内部产生的真空将伸缩针组件拉入注射器筒体。 在一些实施例中,一个或多个单向阀防止气流进入注射器筒的内部,从而保持在注射作用期间产生的真空。 在一些实施例中,制造本发明的安全注射器的柱塞以在负压下进行预调节。