Modular stapling assembly

  • US 10,226,250 B2
  • Filed: 02/27/2015
  • Issued: 03/12/2019
  • Est. Priority Date: 02/27/2015
  • Status: Active Grant
First Claim
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1. A shaft assembly attachable to and detachable from a handle of a surgical instrument system, said shaft assembly comprising:

  • an attachment portion configured to be releasably attached to the handle;

    a first drive input configured to receive a first drive motion from the handle;

    a second drive input configured to receive a second drive motion from the handle;

    an end effector comprising a first jaw and a second jaw, wherein said first jaw is movable relative to said second jaw, and wherein said end effector extends distally from said attachment portion;

    a firing member movable within said end effector;

    an articulation joint, wherein said end effector is rotatable about said articulation joint;

    a closure drive operably coupled to said first drive input and said first jaw, wherein said closure drive is configured to transmit said first drive motion to said first jaw to move said first jaw between an open position and a closed position;

    a firing drive operably coupled to said second drive input and said firing member, wherein said firing drive is configured to transmit said second drive motion to said firing member to move said firing member relative to said end effector; and

    an articulation drive comprising a motor positioned within said attachment portion, wherein said motor is configured to generate a third drive motion, wherein said articulation drive is configured to transmit said third drive motion to said end effector to rotate said end effector about said articulation joint.

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