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Surgical stapling instruments including a cartridge having multiple staple sizes

  • US 8,070,035 B2
  • Filed: 11/01/2010
  • Issued: 12/06/2011
  • Est. Priority Date: 08/15/2005
  • Status: Active Grant
First Claim
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1. A surgical stapling apparatus, comprising a tool assembly having an anvil member and a staple cartridge, the anvil member and staple cartridge having an approximated position for capturing tissue therebetween, the staple cartridge having a plurality of tissue contacting surfaces, and a wall surface extending between a first tissue contacting surface and a second tissue contacting surface, the wall surface defining an first angle with respect to the first tissue contacting surface, the tissue contacting surfaces and wall surface having a stepped configuration, the staple cartridge having pusher plates with different vertical dimensions, the anvil member having an anvil surface that defines staple forming pockets, the anvil surface, tissue contacting surfaces and wall surface being arranged to apply a varying compressive force on the tissue when the anvil member and staple cartridge are in the approximated position.

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