Importance

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Abstract

A surgical tissue fastening device for fastening and transecting tissue includes a handle having a cartridge assembly connected the handle. The cartridge assembly includes a cartridge containing a plurality of surgical fasteners. An anvil assembly is connected to the handle and includes an anvil surface that is positionable adjacent the cartridge. The anvil surface receives and forms the fasteners ejected from the cartridge upon firing of the instrument. Tissue that is desired to be fastened and transected is placed between the anvil and the cartridge. The instrument also includes a knife blade which is movable between the cartridge and the anvil for cutting the tissue. The knife blade has a knife edge having a plurality of pairs of cutting tips for piercing the tissue and a notch located between each pair of cutting tips for capturing foreign objects, such as staples, in the notch. An actuator assembly is operatively connected to the cartridge assembly and the knife blade for ejecting the fasteners from the cartridge to the anvil surface and for advancing the knife blade through the tissue for transecting the tissue between the cartridge and the anvil.

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First Claim