Drive train control arrangements for modular surgical instruments

  • US 10,238,391 B2
  • Filed: 03/17/2016
  • Issued: 03/26/2019
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • an interchangeable shaft assembly, comprising;

    a shaft portion;

    an end effector extending from the shaft portion, wherein the end effector is configured to receive a staple cartridge that includes a plurality of staples;

    a firing assembly movable from a firing home state to deploy the plurality of staples from the staple cartridge; and

    an articulation assembly movable from an articulation home state to articulate the end effector relative to the shaft portion;

    a housing detachable from the shaft portion;

    a circuit configured to transmit a home state input signal in response to an action performed to decouple the housing from the shaft portion; and

    a controller configured to cause the firing assembly to return to the firing home state and the articulation assembly to return to the articulation home state in response to the home state input signal.

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