Anvil buttress attachment for surgical stapling apparatus

An anvil buttress loading system comprising:

• an anvil assembly including a tissue facing surface defining a plurality of staple forming pockets therein and a cutout disposed proximal of the plurality of staple forming pockets;
• an anvil buttress retention clip coupled to the anvil assembly, the anvil buttress retention clip including an arm having a hook extending into the cutout of the anvil assembly, the hook pivotable in and out of the cutout;
• an anvil buttress loading tool including a body portion having a pair of posts extending proximally from the body portion, and a ramp tapering to a proximal end of the body portion and extending between the pair of posts, the ramp configured to move the arm of the anvil buttress retention clip when the anvil buttress loading tool is engaged with the anvil assembly;
• and
• an anvil buttress including a body having a window defined in a proximal end portion thereof and a pair of tabs extending proximally from the body,
• the body of the anvil buttress positionable on the body portion of the anvil buttress loading tool with the pair of tabs engaged with the pair of posts to retain the anvil buttress on the anvil buttress loading unit, and the body of the anvil buttress positionable on the tissue facing surface of the anvil assembly with the hook extending through the window and into the cutout to retain the anvil buttress on the anvil assembly, the anvil buttress transferrable from the anvil buttress loading tool to the anvil assembly.