Patent ID: 8360291

Claim:
A staple cartridge comprising: a refill which houses in a wound manner a staple sheet formed by coupling a plurality of straight staples and includes a guide passage for carrying out the staple sheet; and a cartridge body which includes a feeding passage for guiding the staple sheet carried out from the refill via the guide passage to a position of driving out by a driver, wherein the guide passage is communicated with the feeding passage when the refill is attached to the cartridge body, wherein the refill is attached to and detached front the cartridge body from a direction different from a direction along which the guide passage and the feeding passage are communicated, wherein the guide passage is formed by a guide upper face and a guide lower face, and wherein the cartidge body includes a cartridge housing portion which has a concave portion formed so as to correspond to the shape of the refill, the cartidge housing portion allowing the refill to swing in the concave portion when the refill is housed in the concave portion via an upper opening portion formed on an upper face side of the cartridge body.