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Circular stapling device with buttress

  • US 10,321,911 B2
  • Filed: 11/04/2016
  • Issued: 06/18/2019
  • Est. Priority Date: 02/25/2013
  • Status: Active Grant
First Claim
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1. A circular stapling device, comprising:

  • a handle assembly;

    an elongate body that extends from the handle assembly;

    a pusher;

    a cartridge assembly mounted on a distal end of the elongate body, the cartridge assembly including;

    a housing;

    a circular knife for cutting tissue;

    a secondary knife; and

    a fastener cartridge body supported on the housing and having a tissue engaging surface that extends to an annular edge;

    a circular cartridge buttress member having a body portion supported on the tissue engaging surface of the fastener cartridge body, a portion of the buttress member extending over the annular edge of the tissue engaging surface; and

    an elastomeric retaining member releasably securing the buttress member to the cartridge assembly, the secondary knife being movable with the pusher member to cut the retaining member.

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