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    • 7. 发明授权
    • Methods for preparing blood or plasma component solutions with improved concentrations
    • 用于制备浓度提高的血液或血浆成分溶液的方法
    • US06495051B1
    • 2002-12-17
    • US09677094
    • 2000-09-29
    • Gautom BhaskarGlenn Jorgensen
    • Gautom BhaskarGlenn Jorgensen
    • A01N102
    • B01D21/262A61M1/3693A61M2202/0449A61M2202/045B01D2221/10B04B2005/0485
    • A method for separating a blood component, e.g., fibrin monomer, from blood or plasma. The method utilizes a container with a reaction chamber for receiving the plasma. The reaction chamber is defined by a wall and an agent is supplied to the reaction chamber for converting the fibrinogen content of the plasma into a non-cross-linked fibrin polymer. The method also utilizes a device for centrifuging the reaction chamber with the plasma and the agent to a degree sufficient for separating the non-cross-linked fibrin polymer from the plasma, for depositing the polymer on the outer wall of the reaction chamber, and for expelling the remaining plasma from the reaction chamber. A solvent is supplied to the reaction chamber for dissolving the non-cross-linked fibrin polymer. The solvent is supplied to the reaction chamber in a first amount for dissolving the non-cross-linked fibrin polymer which is less than the total amount of solvent for dissolving the polymer. The remaining solvent is supplied to the reaction chamber in one or more portions to flush the reaction chamber and other portions of the device and recover additional non-cross-linked fibrin polymer.
    • 一种将血液成分例如纤维蛋白单体与血液或血浆分离的方法。 该方法利用具有用于接收等离子体的反应室的容器。 反应室由壁限定,并且将试剂供应到反应室以将血浆的纤维蛋白原含量转化为非交联的纤维蛋白聚合物。 该方法还利用了用等离子体和试剂将反应室离心至足以将非交联的纤维蛋白聚合物与等离子体分离的程度的装置,用于将聚合物沉积在反应室的外壁上, 从反应室排出剩余的等离子体。 将溶剂供应到反应室以溶解非交联的纤维蛋白聚合物。 将溶剂以第一量供给反应室,以溶解小于溶解聚合物的溶剂的总量的非交联纤维蛋白聚合物。 将剩余的溶剂以一个或多个部分供应到反应室中以冲洗反应室和该装置的其它部分,并回收另外的非交联的纤维蛋白聚合物。
    • 10. 发明授权
    • Method and device for separating a component such as fibrin I from blood
plasma
    • 用于将诸如纤维蛋白I的组分与血浆分离的方法和装置
    • US5824230A
    • 1998-10-20
    • US745119
    • 1996-11-07
    • Niels Erik HolmPeter A. D. Edwardson
    • Niels Erik HolmPeter A. D. Edwardson
    • A61K38/16A61M1/02A61M1/36B01D21/01B01D21/08B01D21/20B04B3/00B04B5/04C07K1/14C07K14/78G01N33/49B01D21/26
    • G01N33/491A61M1/3693A61M1/3696B01D21/01B01D21/08B01D21/20B01D21/2405B01D21/262B04B5/0442A61M2202/0415A61M2202/0449A61M2202/045B01D2221/10B04B2005/0485Y10T436/111666Y10T436/25375
    • A method and a device for separating a component, such as fibrin monomer from blood, by centrifugation, involve feeding of blood admixed an anticoagulant to a first annular chamber in a device, where the annular chamber is defined by a cylindrical outer wall and a cylindrical inner wall, both walls extending coaxially about a common axis, as well as by a top wall and a bottom wall. The top wall or the bottom wall is formed by a piston body displaceable within the first chamber. This method involves furthermore a centrifugation of the device about the said common axis to substantially separate blood into a cell fraction and a plasma fraction followed by the resulting plasma fraction being transferred while influenced by the piston body to a second chamber defined by an outer cylindrical wall. The outer cylindrical wall extends coaxially with the said common axis, whereby a fraction with fibrin I is caused to be separated in the second chamber while a suitable enzyme is being added. The separation of fibrin monomer from the plasma fraction in the second chamber is carried out during continued centrifugation whereby a fibrin polymer is deposited on the cylindrical outer wall of said second chamber, whereafter the fluid fraction collected at the bottom of the second chamber is transferred while influenced by the piston body to the first chamber. The fraction with fibrin polymer remaining in the second chamber is substantially deposited on the cylindrical wall and is caused to be dissolved by addition of a solvent and by centrifugation, whereafter it is transferred to a receiving container by passing after addition of a binder to the enzyme through a filter removing said enzyme, whereby a fibrin monomer containing solution is provided.
    • 用于通过离心从血液中分离组分(例如纤维蛋白单体)的方法和装置涉及将抗凝血剂加入到装置中的第一环形室中,其中环形室由圆柱形外壁和圆柱形 内壁,两个壁围绕公共轴线同轴地延伸,以及由顶壁和底壁延伸。 顶壁或底壁由在第一室内可移动的活塞体形成。 该方法还包括围绕所述公共轴的装置的离心,以将血液基本上分离成细胞部分和血浆级分,随后将所得血浆级分转移到受活塞体影响的第二腔室,该第二腔室由外圆柱形壁 。 外圆柱形壁与所述公共轴线同轴延伸,由此在加入合适的酶的同时使具有纤维蛋白I的级分在第二腔室中分离。 在连续离心过程中进行纤维蛋白单体与第二室中的血浆级分的分离,由此纤维蛋白聚合物沉积在所述第二腔室的圆柱形外壁上,此后在第二腔室的底部收集的流体馏分被转移,同时 受到活塞体到第一腔室的影响。 保留在第二腔室中的纤维蛋白聚合物的级分基本上沉积在圆柱形壁上,并通过加入溶剂并通过离心使之溶解,然后通过向粘合剂中加入粘合剂而将其转移到接收容器中 通过除去所述酶的过滤器,从而提供含有纤维蛋白单体的溶液。