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    • 102. 发明授权
    • Plunger activated vacuum release mechanism for a syringe
    • 柱塞活塞用于注射器的真空释放机构
    • US08152762B2
    • 2012-04-10
    • US11784796
    • 2007-04-10
    • Jeffrey SmithRex O. BareDaniel Thayer
    • Jeffrey SmithRex O. BareDaniel Thayer
    • A61M5/00
    • A61M5/3234A61M5/31513A61M2005/3121A61M2005/3224A61M2005/3242
    • A retractable safety syringe may comprise a needle, needle holder, syringe body, and a plunger. A proximal portion of the body and a piston of the plunger may define a variable vacuum compartment. A through hole pneumatically connecting ambient air and the variable vacuum compartment may be formed through a thumb platform and rigid shaft of the plunger for allowing air to escape out of the variable vacuum compartment when a piston of the plunger is traversed toward the retracted position and allow air to be introduced into the variable vacuum compartment when the piston is traversed toward the engaged position. A retraction force may be created by the variable vacuum compartment by covering an entrance of the through hole and traversing the piston to the engaged position. At the engaged position, the piston may engage the needle holder and the retraction force may retract the piston, needle holder and needle into the syringe body to prevent accidental needle pricking and needle reuse.
    • 可伸缩的安全注射器可以包括针,针保持器,注射器主体和柱塞。 主体的近端部分和柱塞的活塞可以限定可变的真空室。 气动连接环境空气和可变真空隔室的通孔可以通过拇指平台和柱塞的刚性轴形成,用于当柱塞的活塞朝向缩回位置移动时允许空气从可变真空室中逸出,并允许 当活塞朝向接合位置移动时,被引入可变真空室的空气。 通过覆盖通孔的入口并将活塞穿过接合位置,可以通过可变真空隔室产生回缩力。 在接合位置,活塞可以接合针保持器,并且缩回力可以将活塞,针保持器和针缩回到注射器体中,以防止意外的针刺和针重复使用。
    • 104. 发明申请
    • PUNCTURABLE MEMBRANE FOR SAFETY SYRINGE
    • 用于安全注射的可破裂膜
    • US20110046601A1
    • 2011-02-24
    • US12544865
    • 2009-08-20
    • Jeffrey SmithDaniel Thayer
    • Jeffrey SmithDaniel Thayer
    • A61M5/31
    • 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头组件。 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。
    • 106. 发明授权
    • Syringe
    • 注射器
    • US07572247B2
    • 2009-08-11
    • US11429301
    • 2006-05-05
    • Jeffrey SmithDaniel Thayer
    • Jeffrey SmithDaniel Thayer
    • A61M5/32
    • A61M5/3234A61M2005/3151A61M2005/3242
    • A retractable needle safety syringe is provided having a braking mechanism. The braking mechanism may be disposed at a proximal portion of a syringe body of the syringe. The braking mechanism may comprise split brake members which are traversable between a braking position and a released position. At the braking position, fingers of the split brake member frictionally engage an outer surface of the shaft of a plunger of the syringe. The frictional engagement counterbalances a retraction force that urges a piston of the syringe toward a retracted position. When the split brake members are traversed to the released position, the fingers do not press against the outer surface of the shaft. As such, the retraction force may traverse the piston toward the retracted position and traverse a needle and needle holder into the body of the syringe.
    • 提供具有制动机构的伸缩针安全注射器。 制动机构可以设置在注射器的注射器主体的近端部分。 制动机构可以包括可在制动位置和释放位置之间移动的分离制动构件。 在制动位置,分离制动部件的指状物摩擦地接合注射器的柱塞的轴的外表面。 摩擦接合抵消了将注射器的活塞推向缩回位置的回缩力。 当分离的制动器件被移动到释放位置时,手指不会压靠在轴的外表面上。 因此,缩回力可以朝向缩回位置移动活塞,并且将针和针保持器穿过注射器的主体。
    • 110. 发明申请
    • Sterilized syringe
    • 灭菌注射器
    • US20080097306A1
    • 2008-04-24
    • US11511668
    • 2006-08-29
    • Jeffrey SmithDaniel ThayerRex O. BareSteve Kampff
    • Jeffrey SmithDaniel ThayerRex O. BareSteve Kampff
    • A61M5/00A61B19/00
    • A61M5/1782A61M5/002A61M2005/3117
    • A method of maintaining sterility of fluidic medication in a fluidic medication container despite repeated extractions of the fluidic medication is provided. Also, a method of injecting a patient with fluidic medication without exposing the fluidic medication to ambient air is provided. The method may comprise the steps of providing a syringe with a sterilized variable fluid chamber with sterilized gas wherein the syringe is in a retracted position. A needle of the syringe is inserted into the fluidic medication container and the sterilized gas in the sterilized variable fluid chamber is transferred into the fluidic medication container to pressurize the same. Thereafter, fluidic medication is transferred from the fluidic medication container into the sterilized variable fluid chamber. The needle is removed from the fluidic medication container and inserted into the patient. The patient is injected with the fluidic medication in the sterilized variable fluid chamber.
    • 提供了一种在流体药物容器中维持流体药物的无菌性的方法,尽管反复提取流体药物。 此外,提供了一种向流体药物注射患者​​而不将流体药物暴露于环境空气的方法。 该方法可以包括以下步骤:向注射器提供具有灭菌气体的灭菌的可变流体室,其中注射器处于缩回位置。 将注射器的针插入到流体药物容器中,并将灭菌的可变流体室中的无菌气体转移到流体药物容器中以对其加压。 此后,将流体药物从流体药物容器转移到灭菌的可变流体室中。 将针从流体药物容器中取出并插入患者体内。 患者在灭菌的可变流体腔室中注射流体药物。