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Surgical stapling device for performing circular anastomosis and surgical staples for use therewith

  • US 10,537,331 B2
  • Filed: 08/29/2017
  • Issued: 01/21/2020
  • Est. Priority Date: 10/01/2010
  • Status: Active Grant
First Claim
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1. A surgical stapler end effector, comprising:

  • a circular anvil assembly having a center rod with a proximal end for connection to an approximation mechanism and a distal end attached to an anvil head, the anvil head having an anvil plate with a tissue contact surface, and at least two circular rows of staple forming pockets, the staple forming pockets having a curved length; and

    a staple cartridge assembly having three circular rows of staple retaining slots corresponding to the rows of staple forming pockets, wherein one of the circular rows of staple retaining slots is nested with an adjacent row of staple retaining slots.

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