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    • 10. 发明申请
    • Methods and Apparatus for Infusing the Interior of a Blood Vessel
    • 用于注射血管内部的方法和装置
    • US20080200873A1
    • 2008-08-21
    • US11675919
    • 2007-02-16
    • Alejandro EspinosaPeter K. KratschEduardo A. AmpueroWilliam M. Garcia de Quevedo
    • Alejandro EspinosaPeter K. KratschEduardo A. AmpueroWilliam M. Garcia de Quevedo
    • A61M25/14
    • A61M25/0029A61M25/0032A61M25/007A61M25/0075
    • An apparatus for treating blood vessels includes an elongate body having a proximal end, a distal end, and an infusion lumen extending there-through, a plurality of infusion holes in valved communication with the infusion lumen, and a valve member which is movable inside the infusion lumen from a first position in which some of the infusion holes are blocked to a second position where fewer of the infusion holes are blocked. According to one embodiment, the valve member is a tube coaxially disposed inside the infusion lumen. According to a second embodiment, the valve member includes a seal coupled to a wire. When the wire is pulled, more holes are unsealed. In both embodiments, an inflatable occlusion balloon is coupled to the distal end of the apparatus and an inflation lumen extends from it to the proximal end of the device. A method of the invention includes determining the length of the blood vessel to be treated and adjusting the valve member to unblock a number of infusion holes corresponding to the length of the vessel to be treated.
    • 用于治疗血管的装置包括:细长体,其具有近端,远端和在其延伸的输注腔,多个与输液腔连通的输注孔,以及可在内部移动的阀构件 其中一些输注孔被阻塞到第二位置的第一位置处,其中较少的输注孔被阻挡。 根据一个实施例,阀构件是同轴地设置在输液腔内部的管。 根据第二实施例,阀构件包括联接到线的密封件。 当拉丝时,更多的孔被开封。 在两个实施例中,充气闭塞球囊联接到装置的远端,并且充气腔从其延伸到装置的近端。 本发明的方法包括确定要处理的血管的长度,并调整阀构件以解除对应于待治疗血管长度的多个输注孔。