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    • 5. 发明授权
    • Tissue cutting clamp apparatus
    • 组织切割夹具
    • US06146399A
    • 2000-11-14
    • US946864
    • 1997-10-08
    • Scott S. Lee
    • Scott S. Lee
    • A61B17/00A61B17/125A61B17/28A61B17/32
    • A61B17/282A61B17/3211A61B2017/00353
    • Hand manipulable tissue cutting apparatus formed in a scissors like configuration and having first and second clamp members pivotably coupled with first and second jaws in opposing facing interoperative relation. On at least one clamp member surface a plane is defined at the area of the jaws, the plane being generally perpendicular to the opposing abutting faces of the jaws. A sheath is provided of a first sheath portion attached, or formed integrally with a first clamp member, and a second sheath portion attached or formed integrally with the second clamp member. In the closed clamp position, the first and second sheath portions form generally parallel guide recesses. A blade member is provided with a width and thickness sufficient for sliding within the guide recesses so-formed. In the open position of the clamp, the first sheath portion integral with the first clamp member is configured for retaining the blade in its retracted position. A spring biased latch strip is attached on one end to the first clamp member, with the other end of the latch strip having a projection for engaging a detent in the side edge of the blade with the blade retracted. Means are provided on the first clamp member for precluding unintentional withdrawal of the blade. In operation the tissue is clamped, after which the blade is pushed forward (relative to the operator position) for cutting the so-clamped tissue. In an alternative embodiment, the jaws are adjustable to enable only partial cutting of the clamped tissue or body part.
    • 手形可操作的组织切割设备,其形成为剪刀状构造并且具有第一和第二夹紧构件,该第一和第二夹紧构件与第一和第二夹爪以相对的面对的交互关系可枢转地联接。 在至少一个夹紧构件表面上,在夹爪的区域处限定平面,该平面大致垂直于夹爪的相对邻接面。 护套设置有与第一夹紧构件一体地附接或形成的第一护套部分,以及与第二夹紧构件一体地附接或形成的第二护套部分。 在闭合夹紧位置中,第一和第二护套部分大致平行地形成引导凹槽。 刀片构件设置有足够的宽度和厚度,以在所形成的引导凹槽内滑动。 在夹具的打开位置,与第一夹紧构件成一体的第一护套部分构造成将刀片保持在缩回位置。 弹簧偏置的闩锁条在一端附接到第一夹紧构件,闩锁条的另一端具有用于与刀片缩回的刀片的侧边缘中的卡定爪接合的突起。 装置设置在第一夹紧构件上,用于排除叶片的无意抽出。 在操作中,夹紧组织,然后将刀片向前(相对于操作者位置)推动以切割所夹紧的组织。 在替代实施例中,钳口是可调节的,以仅能够部分切割被夹紧的组织或身体部分。