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    • 1. 发明授权
    • Purse string suture instrument
    • 钱包线缝合仪
    • US5188636A
    • 1993-02-23
    • US880943
    • 1992-05-07
    • Vladimir Fedotov
    • Vladimir Fedotov
    • A61B17/04A61B17/11
    • A61B17/04A61B17/1114A61B2017/1125A61B2017/1142
    • A surgical instrument for applying purse string sutures to human tissue includes a pair of jaws on which a plurality of teeth are configured to firmly grip the tissue to be sutured and to pinch the tissue into a desirable configuration to receive the purse string sutures. The successive teeth on each jaw are alternately pointed and smooth with the pointed teeth on each jaw being opposed to the smooth teeth on the other jaw. A needle passage extends through the teeth on each jaw for guiding a needle attached to each purse string suture through the tissue which extends into the valleys on opposite sides of the teeth. A needle retainer is provided on each of the jaws for capturing the needles advanced through the needle passages. The needles are advanced by a pair of tubular sleeves which slide through the passages and receive the purse string sutures therein to guard the sutures against damage as the needles are advanced to draw the sutures through the passages. The tubular sleeves are attached to actuators which are operable simultaneously or independently so that one or more purse string sutures can be selectively applied to the tissue.
    • 用于将钱包线缝线应用于人体组织的手术器械包括一对钳口,多个牙齿构造成在其上牢固地夹持要缝合的组织并将组织夹紧到期望的构造以接收钱包缝合线。 每个钳口上的连续齿交替地指向和平滑,每个钳口上的尖齿与另一个钳口上的平滑齿相对。 针通道延伸穿过每个钳口上的齿,用于引导附接到每个钱包线缝合线的针穿过组织,该组织延伸到齿的相对侧上的谷中。 在每个夹爪上设置针保持器,用于捕获通过针通道推进的针。 针通过一对管状套筒前进,这些管状套筒在通过通道滑动并且接收其中的钱包缝合线以保护缝合线,以防止针头被推进以将缝合线拉过通道。 管状套筒连接到可同时或独立操作的致动器,使得一个或多个钱包缝线可以选择性地施加到组织。