Method and apparatus for injecting fluids into an IV line
    2.
    发明授权
    Method and apparatus for injecting fluids into an IV line 失效
    将流体注入IV管线的方法和装置

    公开(公告)号:US4908018A

    公开(公告)日:1990-03-13

    申请号:US251466

    申请日:1988-09-29

    申请人: John Thomsen

    发明人: John Thomsen

    IPC分类号: A61M5/14 A61M39/24

    摘要: Apparatus including a manifold and improved check valves for selectively injecting supplemental fluids into a closed IV line extending from a source of saline solution to a patient during an operation. Also disclosed are a plurality of connected manifolds and a device to secure the apparatus in location for easy administration of the supplemental fluids to the IV line.

    摘要翻译: 包括歧管和改进的止回阀的装置,用于在操作期间将补充流体选择性地注入到从盐溶液源延伸到患者的闭合IV管线中。 还公开了多个连接的歧管和用于将设备固定在位置以便于将补充流体管理到IV管线的装置。

    Medical administration set with backflow check valve
    3.
    发明授权
    Medical administration set with backflow check valve 失效
    医疗管理设有回流止回阀

    公开(公告)号:US4354492A

    公开(公告)日:1982-10-19

    申请号:US215949

    申请日:1980-12-12

    申请人: Charles J. McPhee

    发明人: Charles J. McPhee

    摘要: An administration set with a check valve above a side port where the side port is used for the introduction of a secondary liquid, and this check valve is extremely sensitive to minute pressure changes in the combined administration set. The valve includes a very light disk supported on a series of upstanding prongs that hold a sealing surface of the disk to within 0.002 to 0.030 inch of a valve seat when in open position. The highly sensitive valve is easy to manufacture, easy to prime, and resists malfunctioning due to sticking shut or open. The valve also permits high flow rates (up to 500 ml/hr. or more) commonly used in medical administration sets.

    摘要翻译: 在侧端口上方设置有止回阀的侧管端口用于引入二次液体的管理,并且该止回阀对组合管理组中的微小压力变化非常敏感。 该阀包括一个支撑在一系列直立插脚上的非常轻的盘,当处于打开位置时,其将盘的密封表面保持在阀座的0.002至0.030英寸内。 高灵敏度阀门易于制造,易于起动,并可防止由于闭合或打开引起的故障。 该阀还允许通常用于医疗管理组的高流速(高达500ml /小时或更高)。

    Dual valve assembly
    4.
    发明授权
    Dual valve assembly 失效
    双阀组件

    公开(公告)号:US4103686A

    公开(公告)日:1978-08-01

    申请号:US782411

    申请日:1977-03-29

    申请人: Robert J. LeFevre

    发明人: Robert J. LeFevre

    摘要: A dual valve assembly for intravenous infusions from multiple parenteral fluid sources, the assembly controlling both forward and reverse flow through a flow line includes normally seated first and second valves mounted for movement toward and away from respective valve seats to control flow in a first direction, one of said valves being opened in response to opening movement of the other valve and said one valve including a second seat and movable into closing relationship on its second seat in response to reverse flow to thus prevent reverse flow through the assembly.

    摘要翻译: 一种用于从多个肠胃外流体源静脉内输注的双阀组件,所述组件控制通过流动管线的正向和反向流动,包括安装成朝向和远离各个阀座移动的通常安置的第一和第二阀,以控制沿第一方向的流动, 所述阀中的一个响应于另一个阀的打开运动打开,并且所述一个阀包括第二阀座,并且响应于反向流动而在其第二阀座上可移动到关闭关系中,从而防止反向流过组件。

    Control of fluid flow
    10.
    发明授权
    Control of fluid flow 失效
    控制流体流动

    公开(公告)号:US5289849A

    公开(公告)日:1994-03-01

    申请号:US871190

    申请日:1992-04-20

    申请人: Joseph R. Paradis

    发明人: Joseph R. Paradis

    摘要: A flow control device with at least one flow channel in a housing that can contain an injection site and/or a pre-biased flow control diaphragm that is stabilized by a flexible contact member. Any flow channel, including that with an injection site, may include a plug acted upon by an external actuator, which can be self-sealing. The injection site with a flexible plug can be used for needleless infusion of fluids, or the flexible plug may be used with a needle for the conventional injection of fluid.

    摘要翻译: 一种流量控制装置,其在壳体中具有至少一个流动通道,其可以容纳由柔性接触构件稳定的注射部位和/或预偏置流动控制膜片。 任何流动通道,包括具有注射部位的流动通道可以包括由可以自密封的外部致动器作用的塞子。 具有柔性塞子的注射部位可以用于无针注射流体,或者柔性塞可以用于常规注射流体的针。