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Circular stapler with increased lumen diameter

  • US 9,022,274 B2
  • Filed: 02/15/2012
  • Issued: 05/05/2015
  • Est. Priority Date: 02/15/2012
  • Status: Active Grant
First Claim
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1. A surgical stapling device comprising:

  • a handle assembly including a firing trigger;

    a body portion extending distally from the handle assembly; and

    a head portion disposed adjacent the body portion and including an anvil assembly and a shell assembly, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions, the shell assembly including;

    an outer housing portion having a wall including areas of thinner and thicker wall thicknesses, wherein the areas of thicker wall thickness form longitudinally extending ribs extending along an inner surface of the wall of the outer housing portion; and

    an outer row of staple pockets.

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