Surgical staples comprising hardness variations for improved fastening of tissue

  • US 10,357,251 B2
  • Filed: 08/26/2015
  • Issued: 07/23/2019
  • Est. Priority Date: 08/26/2015
  • Status: Active Grant
First Claim
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1. A surgical staple cartridge for use with a surgical stapling instrument, said surgical staple cartridge comprising:

  • a cartridge body;

    a plurality of staple cavities; and

    a plurality of staples removably stored within said staple cavities, wherein each said staple comprises;

    a staple base;

    a pair of staple legs extending from said staple base;

    a first zone comprising a material having a first hardness; and

    a second zone comprising said material having a second hardness which is different than said first hardness.

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