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    • 2. 发明授权
    • Plasma concentration
    • 血浆浓度
    • US07901584B2
    • 2011-03-08
    • US12476838
    • 2009-06-02
    • Randel DorianMichael D. LeachRichard W. Storrs
    • Randel DorianMichael D. LeachRichard W. Storrs
    • B01D15/02B01D33/27B01D37/00
    • A61M1/3679A61M1/0204A61M1/3693A61M2202/0415Y10T436/25375Y10T436/255
    • A plasma concentrator having a concentrator chamber, concentrator gel beads, a filter, and an agitator. The agitator end is positioned in the concentrator chamber and supported for rotation about its central axis and for reciprocal movement along its central axis. A filter is selected to block effective flow of plasma therethrough under ambient gravity conditions and permit plasma and plasma concentrate flow therethrough under centrifugal forces of the separation gravity. A method concentrates plasma by removing water without significantly denaturing the fibrinogen in the plasma. Then centrifugal force can be applied to the concentrated plasma in an amount sufficient to separate a substantial portion of the plasma concentrate from the beads.
    • 具有浓缩器室,浓缩器凝胶珠,过滤器和搅拌器的等离子体浓缩器。 搅拌器端部定位在聚光器室中并被支撑以围绕其中心轴线旋转并且用于沿其中心轴线往复运动。 选择过滤器以阻止等离子体在环境重力条件下的有效流动,并允许等离子体和等离子体浓缩物在分离重力的离心力下流过其中。 方法通过除去水而不使血浆中的纤维蛋白原显着变性来浓缩血浆。 然后可以将离心力施加到浓缩的等离子体中,其量足以将大部分等离子体浓缩物与珠粒分离。
    • 9. 发明授权
    • Apparatus and method for preparing platelet rich plasma and concentrates thereof
    • 制备富血小板血浆及其浓缩物的装置及方法
    • US07824559B2
    • 2010-11-02
    • US11342749
    • 2006-01-30
    • Randel DorianMichael D. Leach
    • Randel DorianMichael D. Leach
    • B01D21/26B01D33/00B01D35/00B01D37/00B04B1/04B04B3/00
    • B01D63/02A61M1/0281A61M1/3482A61M1/3496A61M1/3633A61M1/3679A61M1/3693A61M1/3696A61M2202/0415A61M2202/0427B01D2313/44B01D2313/58B04B5/0442B04B2005/0478
    • A PRP separator-concentrator comprising a housing, a separation assembly, and a concentration assembly. The concentration assembly has a concentration sump. An axially concentric rigid stationary outlet tube is secured to the housing and extends through the separation assembly to the sump. The separation assembly is attached to and positioned above the concentration assembly to form a combined separator-concentrator assemblage that is rotatable about the outlet tube. The separation assembly includes a separation chamber lined with a depth filter having pores and passageways that are sized to receive and entrap erythrocytes during centrifuging. The concentration chamber has a floor for supporting desiccated beads and a wall with at least one opening closed with a screen. The concentrator can have a distribution of upright screen supports, the upright screen supports having an inner surface and an outer surface, the cylindrical screen being supported on the outer surface of the upright screen supports. A stationary bead rake can be secured to the stationary tube and extend outward therefrom, the rake having distal ends that are spaced at a distance from the upright screen supports. The rake can comprise a longitudinal body, the center of which is secured to the rigid outlet tube. The separator-concentrator includes a valve assembly connecting the separation chamber and the concentration chamber. PRP concentrate is produced by contacting PRP with desiccated beads while the beads are stirred with a stationary rake, and rotating the concentration chamber at centrifugal speeds to separate PRP concentrate from the beads.
    • PRP分离器集中器,其包括壳体,分离组件和浓缩组件。 浓缩组件具有浓缩池。 轴向同心的刚性固定出口管固定到壳体并且延伸穿过分离组件到达贮槽。 分离组件附接到并定位在浓度组件上方,以形成围绕出口管可旋转的组合的分离器 - 集中器组合件。 分离组件包括分隔室,内部具有深度过滤器,该深度过滤器具有孔和通道,其尺寸适于在离心过程中接收和捕获红细胞。 浓缩室具有用于支撑干燥珠粒的底板和具有至少一个开口的屏幕的壁。 集中器可以具有直立屏幕支撑件的分布,直立屏幕支撑件具有内表面和外表面,圆柱形屏幕支撑在直立屏幕支撑件的外表面上。 固定的胎圈耙子可以固定到固定管并从其向外延伸,耙子具有与立式筛网支撑件间隔一定距离的远端。 耙子可以包括纵向主体,其中心固定到刚性出口管。 分离器集中器包括连接分离室和浓缩室的阀组件。 PRP浓缩物通过使PRP与干燥的珠粒接触而产生,同时将珠粒与固定的耙子一起搅拌,并且以离心速度旋转浓缩室以将PRP浓缩物与珠粒分离。