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    • 4. 发明申请
    • METHODS FOR MAINTAINING A FILTERING DEVICE WITHIN A LUMEN
    • 用于维护一个过滤器中的过滤器的方法
    • US20100324590A1
    • 2010-12-23
    • US12862694
    • 2010-08-24
    • Eric JohnsonThomas FogartyFrank ArkoJeff ElkinsMartin Seery
    • Eric JohnsonThomas FogartyFrank ArkoJeff ElkinsMartin Seery
    • A61F2/01
    • A61B17/221A61F2/01A61F2002/011A61F2002/016A61F2002/018A61F2230/0008A61F2230/001A61F2230/0067A61F2230/0095A61F2250/0067A61M25/0021A61M25/007A61M2025/0037A61M2025/004
    • In one embodiment of the present invention there is provided a method of filtering blood flow in a lumen by positioning an open loop filter support structure within a lumen; maintaining a position of the open loop filter support structure within the lumen using radial force generated by the open loop filter support structure; and filtering blood flow in the lumen using a filter supported by the open loop filter support structure. In one aspect, there is also applying radial force generated by the open loop filter support structure along the axial dimension of the lumen. In another embodiment of the present invention there is provided a method of providing a filter across a lumen flow path by providing a filter support structure having a first end, a crossover section, and a second end; and fixing the position of the filter support structure within the lumen by positioning the first end against a first portion of the lumen and positioning the second end against a second portion of the lumen; and using the filter support structure to provide a filter across the lumen flow path. In one aspect, the ends do not pierce the lumen surface.
    • 在本发明的一个实施例中,提供了一种通过将开环过滤器支撑结构定位在腔内来过滤内腔中的血流的方法; 使用由开环过滤器支撑结构产生的径向力保持开口过滤器支撑结构在管腔内的位置; 并且使用由所述开环过滤器支撑结构支撑的过滤器来过滤所述内腔中的血流。 在一个方面,还应用由开环过滤器支撑结构产生的径向力沿着管腔的轴向尺寸。 在本发明的另一个实施例中,提供了一种通过提供具有第一端,交叉部分和第二端的过滤器支撑结构在管腔流动路径上提供过滤器的方法; 以及通过将所述第一端定位在所述内腔的第一部分并将所述第二端定位在所述内腔的第二部分上来将所述过滤器支撑结构的位置固定在所述内腔内; 并且使用过滤器支撑结构在管腔流动路径上提供过滤器。 在一个方面,端部不刺穿管腔表面。