Patent ID: 8646673
Filing Date: 2014-02-11
Classification: A61B

Abstract:
1. A surgical stapling instrument comprising: a frame having a body portion and a handle extending from said body portion in a proximal end region of said instrument, a staple fastening assembly in a distal end region of said instrument, said staple fastening assembly including a curved cartridge, which comprises at least one curved open row of staples, and, at the distal end of said instrument, a curved anvil, which is adapted to cooperate with said cartridge for forming ends of the staples exiting from said cartridge, a staple forming plane of said anvil being arranged transversally with respect to a longitudinal axis of said body portion of said instrument, said staple fastening assembly being adapted to allow unobstructed access towards concave inner faces of said cartridge and of said anvil, a cartridge moving device, comprising a cartridge holder, adapted to move said cartridge essentially in parallel relationship towards said anvil from a spaced position for positioning tissue therebetween to a closed position for clamping tissue, said cartridge holder having a proximal portion which is narrower in a radial direction than a distal portion of the cartridge holder, and a staple driving device adapted to drive the staples out of said cartridge towards said anvil.