Surgical stapling instrument having a medical substance dispenser

  • US 9,603,991 B2
  • Filed: 07/29/2013
  • Issued: 03/28/2017
  • Est. Priority Date: 07/28/2004
  • Status: Expired due to Fees
First Claim
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1. An end effector for use with a surgical instrument, the end effector comprising:

  • a plurality of staples;

    an agent reservoir comprising a medical agent;

    a dispensing passage configured to convey the medical agent from the agent reservoir to tissue; and

    a firing system, comprising;

    a cutting member;

    a movable member; and

    a firing member, wherein the firing system is configured to cooperatively move the movable member and the firing member to simultaneously fire the plurality of staples and dispense at least a portion of the medical agent near the cutting member owing to advancement of the firing member.

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