Patent ID: 7472815

Claim:
A collapsible staple driver for use in a surgical staple cartridge, said collapsible staple driver comprising: a base portion configured to be operably supported by the surgical staple cartridge; a staple supporting portion configured to be operably supported within the surgical staple cartridge adjacent to said base portion; and at least one attachment member protruding from one of the base portion and the staple supporting portion to be received in a corresponding aperture in the other of the base portion and the staple supporting portion, each said at least one attachment member and the aperture corresponding thereto being configured relative to each other to establish a frictional fit therebetween such that the staple supporting portion in retained in a stationary positive relative to said base portion prior to an application of a compression force thereto and wherein said frictional fit is overcome upon the application of said compression force thereto.