Anvil buttress attachment for surgical stapling apparatus

An anvil buttress loading system comprising:

• an anvil assembly including a tissue facing surface and a snap clip disposed on the tissue facing surface, the snap clip movable between a closed position having a generally concave shape relative to the tissue facing surface and an open position having a generally convex shape relative to the tissue facing surface;
• an anvil buttress loading tool including a carrier having a support plate and a clip roller extending proximally from the support plate;
• and
• an anvil buttress including a buttress body,
• the anvil buttress releasably retained on the anvil buttress loading tool with the buttress body positioned on the support plate, the anvil buttress transferrable from the anvil buttress loading tool to the anvil assembly such that the buttress body is captured between the snap clip and the tissue facing surface of the anvil assembly, the snap clip movable from the closed position to the open position by the clip roller when advancing the anvil buttress loading tool onto the anvil assembly and from the open position to the closed position when separating the anvil buttress loading tool from the anvil assembly.