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    • 2. 发明授权
    • Locking pneumoneedle
    • 锁定肺炎
    • US5374252A
    • 1994-12-20
    • US190235
    • 1994-02-01
    • Thomas F. BanksWilliam A. Mittelstadt
    • Thomas F. BanksWilliam A. Mittelstadt
    • A61B1/00A61B17/34A61M5/00A61M13/00A61M5/178A61B10/00
    • A61B17/3496A61B17/3474A61M13/003
    • A safety pneumoneedle through which the abdomen can be inflated with fluid such as insufflating gas is described. The pneumoneedle comprises a housing having front and rear ends, exterior surfaces adapted to be manually grasped, inner surfaces defining an elongate cavity having a fluid passageway portion. The pneumoneedle includes a non-removable cannula having a proximal end sealingly and fixedly attached to the housing, and a sharpened distal end adapted to pierce tissue. A protector assembly is present which has a closed blunt distal end, a first abutment end surface, and a camming surface. The protector assembly is movable relative to the cannula between a protecting position with the blunt distal end of the protector extending beyond the sharp distal end of the cannula to restrict engagement between tissue and the sharp distal end of the cannula, and a retracted position with portions of the sharp distal end of the cannula extending beyond the blunt distal end of the protector to afford puncture of tissue. The pneumoneedle also includes a latching and release mechanism for positively locking the protector in the protecting position after the cannula has pierced tissue and for releasing the protector after it has been locked in the protecting position.
    • 描述了安全性肺炎,腹部可以用诸如吹入气体的流体充气。 肺鼓包括具有前端和后端的壳体,适于手动抓握的外表面,限定具有流体通道部分的细长空腔的内表面。 肺鼓包括不可拆卸的套管,其具有密封且固定地附接到壳体的近端,以及适于刺穿组织的锋利的远端。 存在保护器组件,其具有闭合钝的远端,第一邻接端表面和凸轮表面。 保护器组件可相对于套管移动,该保护位置与保护器的钝的远端延伸超过套管的尖锐远端,以限制组织与套管的尖锐远端之间的接合,以及具有部分的缩回位置 的插管的尖锐远端延伸超过保护器的钝的远端以提供组织穿刺。 肺鼓还包括一个闭锁和释放机构,用于在套管刺穿组织之后将保护器积极地锁定在保护位置,并且在保护器已经被锁定在保护位置之后释放保护器。
    • 5. 发明授权
    • Surgical stapling instrument
    • 手术吻合器械
    • US4863088A
    • 1989-09-05
    • US166037
    • 1988-03-09
    • Russell J. RedmondThomas F. BanksAlan J. Solyntjes
    • Russell J. RedmondThomas F. BanksAlan J. Solyntjes
    • A61B17/072
    • A61B17/07207
    • A stapling instrument including two elongate structural members each comprising a handle part with a jaw part projecting from a first end. The structural members have pivot means at second ends of their handle parts adapted for free engagement and disengagement and relative pivotal movement of the structural members between open and closed positions. An elongate locking member is mounted one one of the structural members for pivotal movement to a locking position generally aligned with its handle part where the locking member can be releasably retained to forcefully move the structural members to their closed position so that high compressive forces can be applied to tissues between the jaw parts. Staples from a cartridge along one jaw part can then be driven through the tissue and closed against an anvil along the other jaw part. One of the structural members has a support element in contact with the other of the structural members transverse of a space between the handle parts when the structural members are in their closed position to restrict bending and movement of the handle parts toward each other in response to separating forces applied between the jaw parts as a result of compressed tissues so that the staples can be properly closed.