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Surgical end effectors with positive jaw opening arrangements

  • US 10,182,818 B2
  • Filed: 06/18/2015
  • Issued: 01/22/2019
  • Est. Priority Date: 06/18/2015
  • 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 relative thereto between an open position and a closed position and wherein said surgical instrument further comprises;

    a closure member axially movable in response to closing and opening motions applied thereto, said closure member comprising;

    a first opening cam extending laterally inwardly from said closure member and engaging a first slotted cam surface corresponding thereto on said second jaw; and

    a second opening cam extending laterally inwardly from said closure member and engaging a second slotted cam surface corresponding thereto on said second jaw such that upon application of said opening motion to said closure member, said first opening cam movably engages said first slotted cam surface and said second opening cam engages said second slotted cam surface to move said second jaw to said open position and upon application of said closing motion to said closure member, said closure member engages said second jaw to move said second jaw to said closed position.

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