Surgical cutting and stapling instruments with articulatable end effectors

  • US 9,642,620 B2
  • Filed: 12/23/2013
  • Issued: 05/09/2017
  • Est. Priority Date: 12/23/2013
  • Status: Expired due to Fees
First Claim
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1. A surgical end effector, comprising:

  • a lower jaw configured to be pivotally coupled to an elongate shaft assembly about a pivot axis;

    an upper jaw comprising;

    a proximal upper jaw portion pivotally coupled to said lower jaw for selective pivotal travel relative thereto about said pivot axis between open and closed positions upon application of closing and opening motions to said proximal upper jaw portion; and

    a distal upper jaw portion movably coupled to said proximal upper jaw portion and supported for parallel movement toward and away from the lower jaw when the proximal upper jaw portion is in said closed position and wherein said surgical end effector further comprises;

    a firing member operably supported for operable travel within said surgical end effector relative to said upper and lower jaws when said proximal upper jaw portion is in said closed position and firing motions are applied to said firing member and wherein said firing member is configured to move said distal upper jaw portion toward said lower jaw as said firing member travels in a distal direction through said surgical end effector.

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