Patent ID: 11890014
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. A tool assembly comprising:
an anvil assembly having a distal end portion and a tissue engaging surface;
a cartridge assembly having a distal end portion and including a cartridge channel and a staple cartridge, the staple cartridge having a distal end portion and a tissue contacting surface, the cartridge assembly coupled to the anvil assembly such that the tool assembly is movable between an open position in which the distal end portions of the anvil and cartridge assemblies are spaced from each other and a clamped position in which the tissue engaging surface of the anvil assembly and tissue contacting surface of the staple cartridge are in juxtaposed alignment, the cartridge channel including a base wall and spaced side walls that define an elongated recess, the elongated recess receiving the staple cartridge, wherein each of the spaced side walls of the cartridge channel supports a plurality of ridges, each of the plurality of ridges spaced outwardly of the tissue contacting surface of the staple cartridge and including a tissue engagement portion that extends above an entirety of the tissue contacting surface of the staple cartridge in a direction towards the anvil assembly.