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    • 31. 发明申请
    • IMPLANT DELIVERY CAPSULE
    • 植入物递送胶囊
    • WO2017083261A1
    • 2017-05-18
    • PCT/US2016/060914
    • 2016-11-08
    • EDWARDS LIFESCIENCES CORPORATION
    • TAMIR, IlanNIR, NoamMANASH, BoazMAIMON, DavidCOHEN, Oren
    • A61F2/24
    • A61F2/2427A61F2/24A61F2/2436
    • Disclosed herein are embodiments of delivery capsules for delivering prosthetic implants around the relatively tight bends of a catheter. In particular, disclosed herein are delivery capsules including a tubular layer for holding the heart valve, a frame enclosing the tubular layer and an elongate element coupled to the frame for allowing the tubular layer and frame to expand. For example, the frame may be biased to expand and withdrawal of the elongate element from openings in the frame can release the frame to expand into a larger diameter. Another embodiment includes a helical wire wrapped around the capsule for easy delivery through bends and a second helical wire that is advanced between windings of the first helical wire to selectively stiffen the capsule for withdrawal. Other embodiments include sock-like capsules that can be crumpled into shorter lengths by pulling a pull line attached to the capsule.
    • 这里公开了用于在导管的相对紧密的弯曲周围输送假体植入物的输送胶囊的实施例。 具体而言,本文公开了输送胶囊,其包括用于保持心脏瓣膜的管状层,包围管状层的框架和连接到框架以允许管状层和框架膨胀的细长元件。 例如,框架可以被偏置以展开并且细长元件从框架中的开口的退出可以释放框架以扩展成更大的直径。 另一个实施例包括围绕胶囊缠绕的螺旋线,用于容易地通过弯曲部分递送,以及第二螺旋线,其在第一螺旋线的绕组之间前进以选择性地硬化胶囊以便抽出。 其他实施例包括袜状胶囊,其可通过拉动附接到胶囊的拉线而被皱缩成较短长度。