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    • 69. 发明申请
    • METHOD AND SYSTEM FOR DELIVERING AN IMPLANT UTILIZING A LUMEN REDUCING MEMBER
    • 用于递送使用减少会员的植入物的方法和系统
    • US20080058724A1
    • 2008-03-06
    • US11934603
    • 2007-11-02
    • Michael Wallace
    • Michael Wallace
    • A61M25/088
    • A61F2/966A61B17/12022A61B17/12109A61B17/12113A61B17/12145A61B2017/12063A61F2/95
    • Method and system for inserting an implant, such as vaso-occlusive device, an embolic containment device, or a stent into a vascular space to a vascular site in a body utilizing a lumen-reducing catheter. The method and system can be used to treat aneurysm, tumors and other vascular malformations. A guide is inserted into the vascular space. First and second catheters are inserted into the vascular space along the guide. The first or delivery catheter defines a first cavity, and the second or lumen-reducing catheter defines a second, smaller cavity. The second catheter is inserted within the first catheter. In one embodiment, an implant is advanced together with the first and second catheters to a vascular site. In an alternative embodiment, after the first and second catheters are positioned, the guide and the second catheter are removed from the first cavity, and an implant is inserted through the first cavity. With these configurations, radial movement of the guide is restricted to the smaller, second cavity rather than the larger, first cavity.
    • 用于使用内腔减少导管将诸如血管闭塞装置,栓塞容纳装置或支架的植入物插入血管空间的体内的方法和系统。 该方法和系统可用于治疗动脉瘤,肿瘤和其他血管畸形。 导管插入血管空间。 第一和第二导管沿引导件插入血管空间。 第一或输送导管限定第一腔,并且第二或内腔减少导管限定第二较小的腔。 第二导管插入第一导管内。 在一个实施例中,植入物与第一和第二导管一起前进到血管部位。 在替代实施例中,在定位第一和第二导管之后,引导件和第二导管从第一腔体移除,并且植入物插入通过第一腔体。 利用这些构造,引导件的径向移动限于较小的第二腔而不是较大的第一空腔。