FASTENER CARTRIDGES INCLUDING EXTENSIONS HAVING DIFFERENT CONFIGURATIONS

摘要

A fastener cartridge can include, one, a cartridge body comprising a deck and a plurality of fastener cavities and, two, a plurality of fasteners positioned in the fastener cavities. The cartridge body can further comprise extensions extending from the deck having different sizes and/or configurations. The extensions can control the flow of tissue relative to the deck and/or support the fasteners as they are ejected from the fastener cavities.

主权项

1. A fastening instrument for fastening tissue, comprising:
a cartridge body, comprising:
a deck; andfastener cavities, wherein each said fastener cavity comprises an opening in said deck; fasteners removably stored in said fastener cavities; a plurality of first extensions extending from said deck, wherein each said first extension is positioned at least partially around a said opening in said deck, and wherein each said first extension comprises a first shape; a plurality of second extensions extending from said deck, wherein each said second extension is positioned at least partially around a said opening in said deck, and wherein each said second extension comprises a second shape that is different than said first shape; and an anvil configured to deform said staples, wherein said anvil is releasably attachable to and releasably detachable from said stapling instrument.