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Rotating knob locking mechanism for surgical stapling device

  • US 8,424,737 B2
  • Filed: 06/04/2009
  • Issued: 04/23/2013
  • Est. Priority Date: 09/11/2006
  • Status: Active Grant
First Claim
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1. A surgical stapling instrument, comprising:

  • a handle assembly having a movable handle;

    a tool assembly having a plurality of surgical staples;

    an elongate shaft defining a longitudinal axis, the elongate shaft mounted with the handle assembly for rotation of the elongate shaft about the longitudinal axis;

    the handle assembly further comprising a firing member extending therefrom and a pivotable locking member mounted in the handle assembly;

    the firing member extending through the elongate shaft and being advanced when the movable handle is moved in a first direction to fire the surgical staples from the tool assembly and;

    the pivotable locking member having a surface for engagement by the firing member when the movable handle is moved in the first direction and a distal end that moves into engagement with the elongate shaft when the surface is engaged by the firing member.

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