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Closure members with cam surface arrangements for surgical instruments with separate and distinct closure and firing systems

  • US 10,667,810 B2
  • Filed: 12/21/2016
  • Issued: 06/02/2020
  • Est. Priority Date: 12/21/2016
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • a surgical end effector, comprising;

    a first jaw; and

    a second jaw movably supported relative to said first jaw for selective movement between open and closed positions relative to said first jaw and wherein said surgical instrument further comprises;

    a hollow closure member configured to axially move between an unactuated position and closure positions wherein said hollow closure member applies closure motions to said movable second jaw, wherein said hollow closure member comprises an inner diameter;

    a closure system configured to apply closure actuation motions to said hollow closure member;

    a firing member, comprising;

    a firing member body;

    at least one channel engaging feature on said firing member body; and

    at least one anvil engaging feature on said firing member body, wherein said firing member is supported for axial travel between a starting position located completely within said inner diameter of said hollow closure member and an ending position within said surgical end effector; and

    a firing system configured to selectively apply a firing motion to said firing member to cause said firing member to move from said starting position to said ending position and wherein said closure system is actuatable without actuating said firing system.

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