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    • 8. 发明授权
    • Angiography catheter
    • 血管造影导管
    • US08948848B2
    • 2015-02-03
    • US13311265
    • 2011-12-05
    • William M Merhi
    • William M Merhi
    • A61B6/00A61B5/05A61M29/00A61M25/098A61F2/01A61B6/12A61B18/14A61B17/00A61B19/00A61F2/24
    • A61F2/013A61B6/12A61B18/1492A61B2017/00243A61B2090/3966A61F2/2433A61F2002/018A61F2230/0006A61F2230/0008A61F2230/0067A61F2230/008A61F2250/0098
    • Embolic protection devices and methods for capturing embolic debris. An embolic protection device includes a pigtail catheter having a lumen for housing a guidewire. The distal portion of the catheter has one or more apertures in fluid communication with the lumen and one or more radiopaque markers on the distal-most section. The device includes a self-expanding filter coupled to a side of the catheter and a movable outer sheath surrounding the catheter. The outer sheath holds the filter in a collapsed configuration when surrounding the filter. The outer sheath is proximally retracted to deploy the filter. A method of capturing embolic debris includes inserting a guidewire into a body lumen, tracking the device over the guidewire, retracting the guidewire, positioning the device using the radiopaque marker, retracting the outer sheath and deploying the filter, performing a procedure, and advancing the outer sheath to recapture the filter.
    • 栓塞保护装置和捕获栓塞残留物的方法。 栓塞保护装置包括具有用于容纳导丝的内腔的猪尾导管。 导管的远侧部分具有一个或多个与内腔流体连通的孔,以及最远部分上的一个或多个不透射线的标记。 该装置包括耦合到导管侧的自扩张滤器和围绕导管的可移动外护套。 当围绕过滤器时,外护套将过滤器保持在折叠构造中。 外护套向近端缩回以部署过滤器。 捕获栓塞残渣的方法包括将导丝插入体腔内,在导丝上跟踪装置,缩回导丝,使用不透射线的标记定位装置,缩回外护套并展开过滤器,执行程序,以及推进 外护套重新捕获过滤器。