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    • 7. 发明授权
    • Methods and apparatus for deploying sheet-like materials
    • 用于部署片状材料的方法和装置
    • US09179961B2
    • 2015-11-10
    • US12794673
    • 2010-06-04
    • Charles L. EuteneuerRebecca McCarvilleDuane FrionNathaniel Zenz-OlsonDiane M. FeehanJohn Quackenbush
    • Charles L. EuteneuerRebecca McCarvilleDuane FrionNathaniel Zenz-OlsonDiane M. FeehanJohn Quackenbush
    • A61B17/88A61F2/08A61B17/064A61B17/068A61F2/00A61B17/30
    • A61B17/8872A61B17/0642A61B17/0682A61B17/88A61B2017/303A61F2/0063A61F2/08A61F2/0811A61F2002/0072
    • Implant delivery systems for delivering sheet-like implants include a delivery shaft, an implant expander, a sheath, and a sheet-like implant. In some embodiments, the delivery shaft has a proximal end and a distal end. The implant expander is mounted to the distal end of the delivery shaft. The implant expander includes a central portion and a plurality of leg portions radiating from the central portion. The implant expander is evertable between an unstressed configuration in which a distal surface of the implant expander defines a concave surface, and a first compact configuration in which the distal surface of the implant expander defines a convex surface. The implant expander has a first lateral extent when the implant expander is free to assume the unstressed configuration. The sheath defines a lumen having a lumen diameter. At least a portion of the delivery shaft is slidably disposed in the lumen. The lumen diameter is smaller than the first lateral extent of the implant expander so that the sheath holds the implant expander in the first compact configuration when slidably disposed therein. The sheet-like implant overlays at least a portion of the distal surface of the implant expander with portions of the sheet-like implant extending between the leg portions of the implant expander and the sheath. Methods of treating a rotator cuff of a shoulder are also disclosed.
    • 用于递送片状植入物的植入物递送系统包括输送轴,植入物扩张器,护套和片状植入物。 在一些实施例中,输送轴具有近端和远端。 植入物扩张器安装到输送轴的远端。 植入物扩张器包括从中心部分辐射的中心部分和多个腿部。 植入物扩张器可以在其中植入物扩张器的远端表面限定凹表面的无应力构型和其中植入物扩张器的远侧表面限定凸表面的第一紧凑构型之间是可转换的。 当植入物扩张器自由地呈现不受应力的构型时,植入物扩张器具有第一横向范围。 护套限定具有内腔直径的内腔。 输送轴的至少一部分可滑动地设置在内腔中。 管腔直径小于植入物扩张器的第一横向范围,使得当可滑动地设置在其中时,护套将植入物扩张器保持在第一紧凑构型中。 片状植入物覆盖植入物扩张器的远端表面的至少一部分,其中片状植入物的部分在植入物扩张器的腿部和护套之间延伸。 还公开了治疗肩肩的肩袖的方法。