Surgical stapling apparatus

摘要

A loading unit for use with a surgical stapling apparatus is provided and includes a tool assembly having a cartridge assembly and an anvil assembly that are movable in relation to one another; a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly and/or the cartridge assembly, wherein each surgical buttress is secured to the anvil assembly and/or the cartridge assembly by at least one anchor; a release assembly associated with the anvil assembly and/or the cartridge assembly; and a drive assembly slidably translatable through the tool assembly between proximal and distal positions, wherein the drive assembly actuates the release assembly to thereby release the anchor to free the surgical buttress from the anvil assembly and/or the cartridge assembly.

主权项

1. A surgical instrument, comprising:
a cartridge assembly including a cartridge having a plurality of surgical fasteners therein; an anvil assembly defining a longitudinal axis and a tissue contacting surface and disposed in juxtaposed relation to the cartridge assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, the anvil assembly including: a surgical buttress overlying the tissue contacting surface of the anvil assembly; and a first suture extending over the surgical buttress from a first longitudinal side of the surgical buttress to a second longitudinal side of the surgical buttress securing the surgical buttress to the tissue contacting surface of the anvil assembly; and a release assembly associated with the anvil assembly, wherein the release assembly is configured to urge the first suture away from the anvil assembly to release the surgical buttress from the anvil assembly.