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    • 3. 发明申请
    • STENTED PROSTHESIS DELIVERY SYSTEM HAVING A BUMPER
    • 专用假体送货系统,具有保险杠
    • WO2017152097A1
    • 2017-09-08
    • PCT/US2017/020738
    • 2017-03-03
    • MEDTRONIC VASCULAR INC.
    • TRAN, DonBARAJAS-TORRES, MarthaLALLY, MarianGLOSS, MichaelGROEN, TimothyMENDOZA, LeonelSOM, SiyanSILVER, MicheleBROWN, NathanMENDELSON, Jill
    • A61F2/24A61F2/966
    • A61F2/2436A61F2/2418A61F2/966A61F2002/9665A61F2230/0067A61F2250/0039
    • Numerous delivery devices for delivery of a stented prosthesis, such as a stented prosthetic heart valve. Various delivery devices include a capsule that is advanced proximally to retain the stented prosthesis, which is secured over an inner shaft assembly of the delivery device. The delivery device further includes a bumper or bumper assembly to provide a smooth transition of the capsule over the stented prosthesis. In some alternate disclosed embodiments, the bumper further serves to connect various elements of the inner shaft assembly. Additional embodiments include a bumper assembly arranged and configured to longitudinally expand and contract to substantially fill any open space as the capsule is retracted from the stented prosthesis, which prevents kinking in the capsule. Additional embodiments include proximal and/or distal bumpers for temporarily covering and smoothing the ends of the stented prosthesis as part of a delivery device that does not include a capsule.
    • 许多用于输送支架假体的输送装置,例如带支架假体心脏瓣膜。 各种输送装置包括向近侧推进以保持支架假体的胶囊,其被固定在输送装置的内轴组件上。 输送装置还包括保险杠或保险杠组件,以提供胶囊在支架假体上的平滑过渡。 在一些替代公开的实施例中,缓冲器还用于连接内轴组件的各种元件。 另外的实施例包括缓冲器组件,该缓冲器组件被布置和构造成当胶囊从带支架的假体缩回时纵向膨胀和收缩以基本上填充任何开放空间,这防止了胶囊中的扭结。 另外的实施例包括近端和/或远端缓冲器,用于暂时覆盖并平滑支架假体的端部,作为不包括胶囊的输送装置的一部分。