Surgical stapling apparatus including firing force regulation

  • US 9,867,618 B2
  • Filed: 06/26/2015
  • Issued: 01/16/2018
  • Est. Priority Date: 02/14/2008
  • Status: Active Grant
First Claim
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1. A surgical stapling system for treating the tissue of a patient, comprising:

  • a handle comprising a rotary motion generator;

    a shaft extending from said handle;

    a disposable loading unit attachable to said shaft, said disposable loading unit comprising;

    a cartridge body including a distal end;

    staples removably stored in said cartridge body; and

    a firing system movable toward said distal end, wherein said firing system is configured to fire said staples from said cartridge body to staple the tissue, and wherein said firing system comprises a cutting portion configured to cut the tissue; and

    an actuation system configured to regulate a firing force applied to said firing system by said rotary motion generator, wherein said actuation system is configured to modify the application of said firing force to said firing system when a load resulting from firing said staples and cutting the tissue exceeds a predetermined magnitude.

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