Robotically-driven surgical instrument

  • US 10,420,561 B2
  • Filed: 04/28/2016
  • Issued: 09/24/2019
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument, comprising:

  • an elongate channel configured to support a staple cartridge;

    an anvil connected to the elongate channel, wherein the anvil is movable between an unclamped position and a clamped position;

    a movable cam member configured to urge the anvil to the clamped position;

    an elongate shaft connected to the elongate channel;

    a housing coupled to the elongate shaft, wherein the housing comprises a first rotary drive member, a second rotary drive member, a third rotary drive member and a fourth rotary drive member, and wherein each rotary drive member is configured to be driven by a robotic surgical device; and

    a transmission system coupled to the first rotary drive member, wherein the transmission system is configured to drive at least two independent motions of the surgical instrument based on a rotation of the first rotary drive member, wherein the at least two independent motions comprise;

    a clamping motion; and

    a firing motion.

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