Surgical instrument comprising a shifting mechanism

  • US 10,314,582 B2
  • Filed: 04/01/2016
  • Issued: 06/11/2019
  • Est. Priority Date: 04/01/2016
  • Status: Active Grant
First Claim
Patent Images

1. A surgical stapling instrument, comprising:

  • a shaft assembly comprising a drive shaft;

    an articulation joint; and

    an end effector assembly attached to said shaft assembly by said articulation joint such that said end effector assembly is configured to be articulated relative to said shaft assembly, wherein said end effector assembly comprises;

    a first jaw;

    a second jaw movable relative to the said first jaw;

    a cartridge body comprising a plurality of staple cavities;

    a plurality of staples;

    an anvil configured to deform said staples; and

    a drive system, comprising;

    a main drive operably engaged with said drive shaft and configured to receive rotary motions therefrom;

    a closure drive configured to be selectively driven by said main drive, wherein, when driven, said closure drive is configured to move said second jaw;

    a firing drive configured to be selectively driven by said main drive, wherein, when driven, said firing drive is configured to fire said staples; and

    a shifting assembly configured to shift between the selective drivability of said closure drive and said firing drive.

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