Powered linear surgical stapler

  • US 10,405,857 B2
  • Filed: 04/09/2014
  • Issued: 09/10/2019
  • Est. Priority Date: 04/16/2013
  • Status: Active Grant
First Claim
Patent Images

1. A surgical fastening instrument, comprising:

  • a handle;

    a first motor comprising a first rotatable output;

    a second motor comprising a second rotatable output;

    a shaft defining a longitudinal shaft axis;

    a first jaw, comprising;

    an anvil defining a longitudinal anvil axis;

    a proximal end; and

    a distal end;

    a second jaw comprising a cartridge channel configured to receive a fastener cartridge;

    a pivot pivotably coupling said first jaw to said second jaw, wherein said first jaw is rotatable relative to said second jaw about a fixed axis between;

    a first position where said first jaw is open and said longitudinal anvil axis is transverse to said longitudinal shaft axis;

    a second position where said longitudinal anvil axis is parallel to said longitudinal shaft axis; and

    a third position where said first jaw is fully clamped and said longitudinal anvil axis is transverse to said longitudinal shaft axis,wherein said fixed axis is fixed relative to said longitudinal shaft axis such that said pivot is prevented from moving axially and transversely relative to said longitudinal shaft axis;

    a closing drive operably couplable to said first rotatable output, wherein said closing drive comprises a closure member configured to engage said first jaw and pivot said first jaw toward said second jaw; and

    a firing drive operably couplable to said second rotatable output, wherein said firing drive comprises a firing member configured to eject fasteners from said fastener cartridge,wherein said anvil comprises a camming pin, and wherein said camming pin is positioned between said distal end and said pivot.

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