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    • 21. 发明授权
    • Closure device
    • 封闭装置
    • US08617205B2
    • 2013-12-31
    • US12813489
    • 2010-06-10
    • Dusan PavcnikKurt J. TekulveMichael D. Deckard
    • Dusan PavcnikKurt J. TekulveMichael D. Deckard
    • A61B17/08
    • A61B17/0057A61B10/06A61B90/39A61B2017/00243A61B2017/00526A61B2017/00575A61B2017/00584A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/00623Y10T29/49826
    • A closure device for closing a bodily passageway is provided. The device includes first and second frames and first and second crossbars. A sheet of biocompatible material is attached to one or more of the frames. The first crossbar extends across the first frame and has terminal crossbar ends connectively linked to separate sites on the first frame; the second crossbar is similarly linked to the second frame. The crossbars are attached to each other at a connection point, and they are each configured to bend away from the connection point when the closure device is deployed to close a bodily passageway. A method of making the closure device is provided, as well as a method for closing a bodily passageway using such a device. Further, a closure device assembly is provided, including a closure device, a delivery catheter housing, and a delivery release member.
    • 提供了用于关闭身体通道的闭合装置。 该装置包括第一和第二框架以及第一和第二横梁。 一片生物相容性材料附着到一个或多个框架。 第一横杆延伸穿过第一框架并且具有连接到第一框架上的分离位置的端子横杆端部; 第二横杆与第二框架类似地连接。 十字杆在连接点处彼此附接,并且它们各自被配置成当关闭装置展开以便关闭身体通道时远离连接点弯曲。 提供一种制造闭合装置的方法,以及使用这种装置关闭身体通道的方法。 此外,提供了一种闭合装置组件,包括封闭装置,输送导管壳体和递送释放构件。
    • 25. 发明授权
    • Closure prosthesis for transcatheter placement
    • 闭经假体用于经导管放置
    • US5643317A
    • 1997-07-01
    • US244580
    • 1994-05-27
    • Dusan PavcnikSidney WallaceKenneth C. Wright
    • Dusan PavcnikSidney WallaceKenneth C. Wright
    • A61B17/00A61B17/12A61B17/08
    • A61B17/0057A61B17/12022A61B17/12109A61B17/12172A61B2017/00575A61B2017/00592A61B2017/00606
    • A closure prosthesis and transcatheter delivery system includes a closure prosthesis for sealing across all opening of a fluid passageway within a living body. The closure prosthesis is a flexible disk including a flexible ring and diaphragm having a plurality of hollow flexible wire segments attached thereto. Delivery of the closure prosthesis is accomplished using a hollow sheath and a pusher catheter slidable within the sheath, wherein filaments are looped through the wire segments to releasably connect the disk to the pusher catheter. The disk is resiliently compressed within the sheath and, upon release therefrom, the disk resiliently expands into a larger, unrestrained shape. Tension applied to the filaments resiliently bends the wire segments so that they may be drawn through the opening of the defect. Upon releasing the filaments from the disk, the wire segments resiliently expand to trap the disk in place to seal across the opening.
    • PCT No.PCT / US92 / 10141 Sec。 371日期:1994年5月27日 102(e)日期1994年5月27日PCT提交1992年11月25日PCT公布。 公开号WO93 / 10714 PCT 日期1993年6月10日闭合假体和经导管递送系统包括用于密封活体内的流体通道的所有开口的闭合假体。 闭合假体是包括柔性环和隔膜的柔性盘,其具有附接到其上的多个中空柔性线段。 闭合假体的传送使用中空护套和在护套内可滑动的推动导管来实现,其中细丝环绕穿过线段以可释放地将盘连接到推动导管。 盘在护套内被弹性地压缩,并且在从其释放时,盘弹性地膨胀成更大的,无限制的形状。 应用于细丝的张力弹性地弯曲线段,使得它们可以被拉过缺陷的开口。 当从盘释放细丝时,线段弹性地膨胀以将盘捕获到适当的位置以密封穿过开口。