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    • 43. 发明授权
    • Convoluted plural layer filter assembly
    • 旋转式多层过滤器组件
    • US4479874A
    • 1984-10-30
    • US422238
    • 1982-09-23
    • David J. RosenbergVlado I. Matkovich
    • David J. RosenbergVlado I. Matkovich
    • B01D35/02B01D27/06B01D29/01B01D29/07B01D29/11B01D35/00B01D35/28B01D46/12B01D29/06
    • B01D46/12B01D29/012B01D29/111B01D35/00
    • A filter assembly is provided comprising a housing; a fluid inlet and a fluid outlet in the housing, each opening into a fluid chamber; and, disposed in the fluid chamber across the line of fluid flow from the inlet to the outlet so that all flow from the fluid inlet to the fluid outlet must pass therethrough, a filter element composite comprising a filter sheet material sandwiched between layers of foraminous spacer sheet material. The filter element composite has an upstream side and a downstream side and separates the chamber into a first portion on one side of the filter element composite communicating with the fluid inlet, and a second portion on the other side of the filter element composite communicating with the fluid outlet. The filter element composite is folded on itself in at least a double layer defining therebetween an open interior space in fluid communication with one of the first and second portions of the fluid chamber, the outer side of the filter element composite being in fluid communication with the other of the first and second portions of the fluid chamber; and the double layer filter element composite is arranged in a plurality of convolutions extending transversely across the fluid chamber back and forth across the line of fluid flow from the fluid inlet to the fluid outlet.
    • 提供了一种过滤器组件,包括壳体; 壳体中的流体入口和流体出口,每个开口进入流体室; 并且设置在流体室中,穿过从入口到出口的流体流,使得从流体入口到流体出口的所有流动必须通过其中,过滤元件复合材料包括夹在有孔间隔物层之间的过滤片材料 片材。 所述过滤元件复合体具有上游侧和下游侧,并且将所述室分离成与所述流体入口连通的所述过滤元件复合体的一侧的第一部分,并且所述过滤元件复合体的另一侧的第二部分与 流体出口。 过滤元件复合材料至少在双层之间折叠,在其间限定了与流体室的第一和第二部分中的一个流体连通的开放内部空间,过滤元件复合材料的外侧与 流体室的第一和第二部分中的另一个; 并且所述双层过滤元件复合材料布置成以横向流过所述流体室的横向从所述流体入口到所述流体出口的流体流线路横向延伸的多个卷积。
    • 44. 发明授权
    • Method for processing a biological fluid including leukocyte removal in
an extracorporeal circuit
    • 用于在体外循环中处理包括白细胞去除的生物流体的方法
    • US5630946A
    • 1997-05-20
    • US392358
    • 1995-02-21
    • Stephen HartFrank R. PascaleVlado I. Matkovich
    • Stephen HartFrank R. PascaleVlado I. Matkovich
    • A61M1/36A61M1/38
    • A61M1/3621A61M1/3603A61M1/3643A61M2202/0439A61M2205/366
    • A method for removing undesirable material including leukocytes from a biological fluid in an extracorporeal circuit comprises passing a leukocyte containing biological fluid from a patient into a container; passing a portion of biological fluid from the container through a recirculation loop including a filter assembly for removing leukocytes to leukocyte deplete the biological fluid and to pass the portion of leukocyte-depleted biological fluid into the container; passing additional leukocyte containing biological fluid from a patient into the container so that the additional fluid is mixed with leukocyte depleted biological fluid in the container to provide a mixture including leukocyte depleted and non-leukocyte depleted biological fluid; passing the mixture of biological fluid from the container; passing a portion of the mixture to the patient while passing another portion of the mixture through the recirculation loop.
    • 一种用于从体外循环中从生物流体除去包括白细胞的不需要的物质的方法包括将含有生物流体的白细胞从患者送入容器中; 使来自容器的生物流体的一部分通过包括用于将白细胞去除白细胞的过滤器组件的再循环回路消耗生物流体并使白细胞贫乏的生物流体的一部分通过到容器中; 将含有来自患者的含有生物液体的另外的白细胞携带到容器中,使得额外的流体与容器中的白细胞贫化的生物流体混合,以提供包含白细胞贫化和非白细胞贫化的生物流体的混合物; 使来自容器的生物流体的混合物通过; 将混合物的一部分通过患者,同时使另一部分混合物通过再循环回路。
    • 49. 发明授权
    • Vacuum diagnostic device
    • 真空诊断装置
    • US4976926A
    • 1990-12-11
    • US225023
    • 1988-07-28
    • Vlado I. Matkovich
    • Vlado I. Matkovich
    • B01D61/18B01L3/00G01N33/543
    • B01L3/502B01D61/18G01N33/54366Y10T436/255
    • A diagnostic device is provided comprising a housing including a chamber having one portion open to the exterior of the housing and another portion which is closed to the exterior of the housing; a porous structure, such as a hydrophilic membrane, having at least one wettable layer, disposed across the open portion of the chamber and hermetically sealed to the housing; a valve in a wall of the housing; and a means for increasing the volume of the closed portion of the chamber to thereby decrease the pressure within the closed portion of the chamber such that after the wettable layer is wetted, the diagnostic device is capable of maintaining a pressure differential across the porous structure after the volume of the closed portion of the chamber has been increased by the volume increasing means to create a pressure differential across the porous structure.
    • 提供了一种诊断装置,包括壳体,该壳体包括具有朝向壳体的外部敞开的一部分的腔室和封闭于壳体外部的另一部分; 多孔结构,例如具有至少一个可润湿层的亲水膜,横跨腔室的敞开部分设置并密封到壳体; 在壳体的壁中的阀; 以及用于增加室的封闭部分的体积的装置,从而降低室的封闭部分内的压力,使得在可润湿层被润湿之后,诊断装置能够在多孔结构之后保持跨越多孔结构的压力差 腔室的封闭部分的体积通过体积增加装置增加,以在多孔结构上产生压差。