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    • 4. 发明申请
    • DEVICE FOR TARGETED IMMOBILIZATION OF THE THROMBOGENIC INHIBITOR HIRUDINE ON POLYMER SURFACES
    • 方法对聚合物表面THROMBOGENESEINHIBITORS水蛭素有针对性的固定化
    • WO9932080A3
    • 1999-10-14
    • PCT/DE9803727
    • 1998-12-18
    • HOECKER HARTWIGLAHANN JOERGPLUESTER WILHELMKLEE DORIS
    • HOECKER HARTWIGLAHANN JOERGPLUESTER WILHELMKLEE DORIS
    • A61K38/58A61L33/12A61L33/00
    • A61L33/128A61K38/58
    • Disclosed is a method for immobilizing the thrombogenic inhibitor hirudine on polymer surfaces of extracorporeal and/or intracorporeal medical objects by direct interaction or via appropriate spacer systems between functional groups of the hirudine and the corresponding functional groups of the polymers. The chemical and/or spatial environment of the hirudine functional groups is modified as regards their immobilization selectivity in a treatment step prior to immobilization. After immobilization, the chemical and/or spatial environment is no longer modified. The proposed procedure enables the functional groups needed for thrombin activity not to be bound during immobilization and are thus available for interacting with thrombin after immobilization. This causes an increased antithrombogenic and/or thrombocyte-repelling effect of the hirudine bound on the surfaces.
    • 在用于固定Thrombogeneseinhibitors水蛭素上体外的聚合物的表面和/或intracorporally到医用制品由直接或通过合适的Spacersysteme对应的聚合物的官能团的水蛭素的官能团之间的相互作用可以使用,提出了一种方法,该方法在固定化上游处理步骤中的一个,所述化学 和/或水蛭素的官能团的空间环境中的Immobilisierungsselektivität方面发生变化,并且在固定之后,在化学和/或物理环境的变化将再次高。 所提出的方法可以确保必要的官能团不会在凝血酶活性的固定化结合,并因此可用于提供固定之后与凝血酶的相互作用。 这会导致接合面水蛭素的增加的抗血栓形成和/或血小板排斥效果。