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    • 5. 发明授权
    • Minimally invasive mitral valve repair method and apparatus
    • 微创二尖瓣修复方法及装置
    • US06626930B1
    • 2003-09-30
    • US09562406
    • 2000-05-01
    • William J. AllenAlan BachmanScott ReedRay AdamsRobert R. Steckel
    • William J. AllenAlan BachmanScott ReedRay AdamsRobert R. Steckel
    • A61B1708
    • A61B17/062A61B17/0401A61B17/0469A61B17/0482A61B17/064A61B17/068A61B17/122A61B17/1227A61B2017/00243A61B2017/00783A61B2017/0417A61B2017/0458A61B2017/0464A61B2017/047A61B2017/0472A61B2017/06057A61B2017/0641A61B2017/306
    • The present invention is directed to an apparatus and method for the stabilization and fastening of two pieces of tissue. A single device may be used to both stabilize and fasten the two pieces of tissue, or a separate stabilizing device may be used in conjunction with a fastening device. The stabilizing device may comprise a probe with vacuum ports and/or mechanical clamps disposed at the distal end to approximate the two pieces of tissue. After the pieces of tissue are stabilized, they are fastened together using sutures or clips. One exemplary embodiment of a suture-based fastener comprises a toggle and suture arrangement deployed by a needle, wherein the needle enters the front side of the tissue and exits the blind side. In a second exemplary embodiment, the suture-based fastener comprises a needle connected to a suture. The needle enters the blind side of the tissue and exits the front side. The suture is then tied in a knot to secure the pieces of tissue. One example of a clip-based fastener comprises a spring-loaded clip having two arms with tapered distal ends and barbs. The probe includes a deployment mechanism which causes the clip to pierce and lockingly secure the two pieces of tissue.
    • 本发明涉及一种用于稳定和紧固两片组织的装置和方法。 可以使用单个装置来稳定和紧固两片组织,或者单独的稳定装置可以与紧固装置结合使用。 稳定装置可以包括具有真空端口的探针和/或设置在远端处的近似两个组织的机械夹具。 在组织片稳定后,使用缝合线或夹子将它们固定在一起。 基于缝合线的紧固件的一个示例性实施例包括由针部署的肘节和缝合线布置,其中针进入组织的前侧并离开盲侧。 在第二示例性实施例中,基于缝合线的紧固件包括连接到缝线的针。 针进入组织的盲侧并从前侧离开。 然后将缝合线绑在一起,以固定薄片。 基于夹子的紧固件的一个示例包括弹簧加载夹具,其具有带有锥形远端和倒钩的两个臂。 探针包括展开机构,其使得夹子刺穿并锁定地固定两片组织。