Surgical fastener cartridges with driver stabilizing arrangements

A fastener cartridge for use with a surgical instrument, wherein the fastener cartridge comprises:

• a cartridge body comprising a deck and at least one staple pocket, wherein each said staple pocket comprises an opening in said deck and defines an inner pocket surface;
• and
• a driver movably positioned in at least one said staple pocket and supporting a surgical fastener thereon, said driver comprising:
• a driver body including an outer surface portion that confronts said inner pocket surface of said staple pocket in which said driver body is movably positioned;
• and
• at least one feature extending laterally from said outer surface portion and being movably positioned against said inner pocket surface, wherein each of said at least one laterally extending features is movably received within a correspondingly-shaped groove in said inner pocket surface.

A fastener cartridge for use with a surgical instrument, wherein the fastener cartridge comprises:

• a cartridge body comprising a deck and at least one staple pocket, wherein said staple pocket comprises an opening in said deck and defines an inner pocket surface;
• a driver movably positioned in said staple pocket and supporting a surgical fastener thereon;
• and
• at least one feature extending inwardly from said inner pocket surface to be movably received within a correspondingly-shaped groove in said driver.

A fastener cartridge for use with a surgical instrument, wherein the fastener cartridge comprises:

• a cartridge body comprising a deck and at least one staple pocket, wherein each said staple pocket comprises an opening in said deck and defines an inner pocket surface;
• a plurality of drivers wherein each said staple pocket includes one of said drivers movably supported therein, each said driver supporting at least one surgical fastener thereon, each said driver comprising:
• a driver body including an outer surface that confronts said inner pocket surface of said staple pocket in which said driver body is movably supported;
• first means on said outer surface of said driver body for providing lateral support to said driver;
• and
• second means formed in said cartridge body and configured to cooperate with said first means on said outer surface of said driver body to provide lateral support to said driver.