Staple cartridge assembly including features for controlling the rotation of staples when being ejected therefrom

  • US 10,166,026 B2
  • Filed: 08/26/2015
  • Issued: 01/01/2019
  • Est. Priority Date: 08/26/2015
  • Status: Active Grant
First Claim
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1. A staple cartridge assembly for stapling tissue, comprising:

  • a cartridge body comprising a proximal end and a distal end;

    a plurality of staple cavities, wherein each said staple cavity comprises;

    a top opening;

    a proximal wall; and

    a distal wall;

    a firing member; and

    a plurality of staples positioned in said staple cavities, wherein each said staple comprises;

    a base;

    a proximal leg extending from said base;

    a distal leg extending from said base; and

    a center of mass defined in said base, wherein said distal wall provides a distal reaction force to said staple above said center of mass and said proximal wall provides a proximal reaction force to said staple below said center of mass wherein said staple is lifted toward said top opening by said firing member,wherein said firing member is configured to eject said staples from said staple cavities, and wherein said firing member is configured to contact a foot of any staple that is misoriented within its staple cavity prior to ejecting the misoriented staple from its staple cavity.

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