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    • 1. 发明授权
    • Two chambered autotransfuser device and method of use
    • 两腔自动输送装置及其使用方法
    • US4846800A
    • 1989-07-11
    • US108397
    • 1987-10-14
    • Kenneth OurielKarl D. (Skip) Kirk, IIIDouglas M. Spranger
    • Kenneth OurielKarl D. (Skip) Kirk, IIIDouglas M. Spranger
    • A61M1/02A61M1/36A61M5/40A61M39/22
    • A61M39/223A61M1/3627A61M5/40
    • An autotransfuser includes, in a single receptacle, a pair of chambers separated by a common wall. Each receptacle can alternately perform a blood infusion or blood collection function. Each chamber includes at least three inlets/outlets, a blood inlet, a blood outlet and an air inlet. In some embodiments of the invention the air inlet serves alternately to couple either an air or a pressure source on the one hand or a vacuum source on the other hand to the corresponding chamber. In other embodiments of the invention, the air inlet comprises a vacuum inlet and a separate air or pressure inlet. A disk like device or valve manifold is arranged for rotatable movement adjacent the inlets/outlets. The disk like device includes four channels, one for each of air or pressure, vacuum, blood inlet and blood infusion. Each channel includes a port for coupling to external tubing and at least one channel end. The channel ends are located in the disk like device so that by rotating the disk like device to two distinct positions, one or the other of the functions can be performed by each chamber. A robust blood valve is also disclosed which has a float element of density to allow it to float in a pool of human blood and a significant closure force of about ten grams.
    • 自动输送器在单个容器中包括由公共壁分隔开的一对室。 每个容器可以交替进行血液输注或采血功能。 每个室包括至少三个入口/出口,血液入口,血液出口和空气入口。 在本发明的一些实施例中,空气入口交替地将空气或压力源或一个真空源耦合到相应的室。 在本发明的其它实施例中,空气入口包括真空入口和单独的空气或压力入口。 盘状装置或阀歧管布置成用于与入口/出口相邻的可旋转运动。 盘状装置包括四个通道,一个用于每个空气或压力,真空,血液入口和血液输注。 每个通道包括用于连接到外部管道和至少一个通道端的端口。 通道端部位于盘状装置中,使得通过将盘状装置旋转到两个不同的位置,可以由每个腔室执行一个或另一个功能。 还公开了一种强壮的血液阀,其具有密度的浮动元件,以允许其漂浮在人血池中,并且具有约十克的显着闭合力。