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    • 2. 发明申请
    • Vaso-occlusive device having pivotable coupling
    • 具有可枢转耦合的血管闭塞装置
    • US20060135986A1
    • 2006-06-22
    • US11022189
    • 2004-12-22
    • Michael WallaceKamal Ramzipoor
    • Michael WallaceKamal Ramzipoor
    • A61M29/00
    • A61B17/12022A61B17/12113A61B17/12145A61B17/12154A61B2017/00477A61B2017/12054A61B2017/12063A61B2017/12095
    • An assembly for occluding a vascular site (e.g., an aneurysm) of a human or veterinary patient includes a vaso-occlusive member, a pusher member having a distal end and a severable junction located proximal to the distal end, and a pivotable coupling that couples the pusher member to the occlusive member. A delivery catheter can be used to deliver the vaso-occlusive member to the vascular site. A method of using the assembly to occlude an aneurysm having an aneurysmal sac and an aneurysmal neck, comprises locating the catheter within the aneurysmal neck, and manipulating the pusher member to place the vaso-occlusive member within the aneurysmal sac. The method further comprises severing the severable junction to detach the vaso-occlusive member from the pusher member. As a result, an axial force is applied by the vaso-occlusive member in a proximal direction, which buckles the pivotable coupling to laterally deflect the axial force. The lateral deflection of the axial force caused by the buckling of the pivotable coupling prevents the catheter from being displaced from the aneurysmal neck by the axial force.
    • 用于闭塞人或兽医患者的血管部位(例如,动脉瘤)的组件包括血管闭塞构件,具有远端的推动器构件和位于远端附近的可分离接合部以及可枢转联接件 推动器构件到闭塞构件。 输送导管可用于将血管闭塞成员递送至血管部位。 一种使用所述组件闭塞具有动脉瘤囊和动脉瘤颈部的动脉瘤的方法,包括将所述导管定位在所述动脉瘤颈内,以及操纵所述推动器构件以将所述血管闭塞构件置于所述动脉瘤囊内。 该方法还包括切断可分开的连接点以将血管闭塞构件与推动器构件分离。 结果,轴向力由近端方向由血管闭塞构件施加,该近侧方向使可枢转联接器弯曲以横向偏转轴向力。 由可枢转联轴器的弯曲引起的轴向力的横向偏转防止导管通过轴向力从动脉瘤颈部移位。