Patent ID: 7828189

Claim:
A staple cartridge for a surgical stapling apparatus comprising: an inner wall and an outer wall, the inner wall having a height not equal to a height of the outer wall; a first surface having a first side, a second side, a first plurality of retention slots, and a planar axis, the planar axis defining a right angle with respect to the inner wall; a second surface having a first side, a second side, and a second plurality of retention slots, the first side of the second surface being connected to the second side of the first surface and the second side of the second surface being connected to a top edge of the outer wall defining an arcuate path along the second surface between the inner and outer walls; and a first and a second plurality of surgical fasteners disposed in said first and second pluralities of retention slots, respectively, said first and second pluralities of surgical fasteners including a backspan and a pair of legs, said first plurality of surgical fasteners having a first leg length, said second plurality of surgical fasteners having a second leg length, and said second leg length being different than said first leg length.