Manually driven surgical cutting and fastening instrument

  • US 10,420,560 B2
  • Filed: 03/18/2016
  • Issued: 09/24/2019
  • Est. Priority Date: 06/27/2006
  • Status: Active Grant
First Claim
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1. A surgical instrument for use with a staple cartridge removably storing a plurality of staples, said surgical instrument comprising:

  • a handle assembly;

    a firing trigger operably coupled to said handle assembly;

    a closure drive supported by said handle assembly and configured to selectively generate a closing motion and an opening motion;

    a firing drive supported by said handle assembly and configured to selectively generate a rotary firing motion upon actuation of said firing trigger and a rotary retraction motion upon another actuation of said firing trigger;

    an elongate shaft assembly coupled to said handle assembly and communicating with said closure drive and said firing drive to separately and sequentially transfer said closing and opening motions and said rotary firing motion; and

    an end effector coupled to said elongate shaft assembly, said end effector comprising;

    an elongate channel sized to receive the staple cartridge;

    an anvil pivotally coupled to said elongate channel and being pivotally responsive to said opening and closing motions from said elongate shaft assembly;

    a cutting member operably supported within said elongate channel and being responsive to said rotary firing and retraction motions from said elongate shaft assembly; and

    an I-beam configured to control spacing between said anvil and the staple cartridge.

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