• US 20180168595A1
  • Filed: 12/21/2016
  • Published: 06/21/2018
  • Est. Priority Date: 12/21/2016
  • Status: Active Grant
First Claim
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1. A shaft assembly for use with a surgical system, said shaft assembly comprising:

  • a staple cartridge, comprising;

    a cartridge body including staple cavities;

    staples removably stored in said staple cavities; and

    a sled movable between an unfired position and a fired position during a firing stroke to eject said staples from said staple cavities;

    an end effector, comprising;

    a cartridge channel configured to receive said staple cartridge, wherein said cartridge channel comprises a lockout recess;

    an anvil configured to deform said staples; and

    a lock spring; and

    a firing member, comprising;

    a firing bar comprising a cutting edge configured to cut the tissue of a patient during said firing stroke; and

    a lock rotatably mounted to said firing bar, wherein said lock is rotatable between an unlocked position and a locked position, wherein said sled is configured to hold said lock in said unlocked position when said staple cartridge is seated in said cartridge channel and said sled is in said unfired position, and wherein said lock is rotatable from said unlocked position to said locked position by said lock spring when either said staple cartridge is not in said cartridge channel or said sled is not in said unfired position.

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