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    • 70. 发明专利
    • Embolic coil detachment mechanism with flexible distal member and coupling joint
    • 具有柔性边缘构件和耦合接头的嵌入式线圈分离机构
    • JP2013212372A
    • 2013-10-17
    • JP2013068477
    • 2013-03-28
    • Depuy Synthes Products Llcデピュイ・シンセス・プロダクツ・エルエルシーDePuy Synthes Products, LLC
    • LORENZO JUAN A
    • A61B17/00
    • A61B17/12031A61B17/12113A61B17/12154A61B2017/00004A61B2017/00871A61B2017/12068A61B2017/12072A61B2017/12077
    • PROBLEM TO BE SOLVED: To provide a system and a method for separating a therapeutic device such as an embolic coil from a delivery tube in a target site in a patient's body.SOLUTION: A system includes a bead which is arranged in the state of abutting on a distal end of a therapeutic device, and the bead retains the therapeutic device to a delivery tube in a first compressed shape by means of a coupling joint comprising a series of connectors. The series of connectors can also have a stretch-resistant member for attaching the bead to an anchor inside the therapeutic device. The anchor can also be arranged in the state of abutting on a thermally-responsive element made of a polymeric material, and the polymeric material is configured to release the anchor by melting or changing a shape and to release the therapeutic device together with the anchor. Energy can be supplied to the thermally-responsive element by an electric conductor and a resistive heating element which are arranged in the delivery tube.
    • 要解决的问题:提供一种系统和方法,用于将患者体内目标部位中的栓塞线圈等治疗装置与输送管分离。解决方案:一种系统,包括以邻接状态配置的胎圈 在治疗装置的远端上,并且胎圈通过包括一系列连接器的联接接头将治疗装置保持在第一压缩形状的输送管中。 所述连接器系列还可以具有用于将所述胎圈附接到所述治疗装置内的锚固件的抗拉构件。 锚固件还可以以与由聚合材料制成的热响应元件邻接的状态布置,并且聚合物材料构造成通过熔化或改变形状而释放锚固件,并与锚固件一起释放治疗装置。 可以通过设置在输送管中的电导体和电阻加热元件将能量提供给热响应元件。