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    • 6. 发明申请
    • Surgical fastener
    • 手术紧固件
    • US20050283190A1
    • 2005-12-22
    • US10870348
    • 2004-06-16
    • Thomas HuitemaDieter Stoeckel
    • Thomas HuitemaDieter Stoeckel
    • A61B17/00A61B17/064A61B17/068A61B17/122A61B17/08
    • A61B17/0644A61B17/0682A61B17/1227A61B2017/00867
    • A medical fastener having first undeployed shape for loading into an applier, and a second deployed shape for connecting tissue together. The fastener includes a crown having two ends and first and second legs one attached to each end of the crown. The legs are separated from one another when the fastener is in the first shape. The legs comprise first, second and third layers of material joined together. The first layer of material is a superelastic alloy having a relaxed configuration substantially in the second shape of the fastener. The second layer of material comprising a linear elastic material having a relaxed configuration substantially in the first shape of the fastener. The second layer of material has sufficient rigidity to keep the first layer in the first shape prior to the fastener being deployed. The third layer of material is disposed between the first and second layers and is a material which substantially prevents diffusion between the first and second layers of material.
    • 一种医疗紧固件,其具有用于装载到施放器中的第一未展开形状,以及用于将组织连接在一起的第二展开形状。 紧固件包括具有两个端部的冠部,第一和第二腿部连接到冠部的每个端部。 当紧固件处于第一形状时,腿彼此分离。 腿包括连接在一起的第一,第二和第三层材料。 第一层材料是具有基本上处于紧固件的第二形状的松弛构型的超弹性合金。 第二层材料包括具有基本上处于紧固件的第一形状的松弛构型的线性弹性材料。 第二层材料具有足够的刚度,以便在紧固件展开之前将第一层保持在第一形状。 第三层材料设置在第一层和第二层之间,并且是基本上防止第一和第二层材料之间的扩散的材料。