US 12,004,746 B2 · Anvil buttress attachment for surgical stapling apparatus

Abstract

An anvil buttress loading system includes an anvil assembly, an anvil buttress loading tool, and an anvil buttress. The anvil buttress is releasably retained on the anvil buttress loading tool with a body of the anvil buttress is positioned on a base of the anvil buttress loading tool, a proximal tab of the anvil buttress positioned over a loading ramp of the anvil buttress loading tool, and a distal tab of the anvil buttress positioned within a flange of the anvil buttress loading tool. The anvil buttress is transferrable from the anvil buttress loading tool to the anvil assembly such that the anvil buttress is releasably secured to the anvil assembly with the body positioned on a tissue facing surface of the anvil assembly, the proximal tab engaged with a pin assembly of the anvil assembly, and the distal tab engaged with an anvil tip of the anvil assembly.

Claims17

Dependent claims

A tool assembly comprising:

a staple cartridge assembly;
an anvil assembly including an anvil plate and an anvil tip, the anvil plate having a tissue facing surface, a proximal end portion of the tissue facing surface including a pin assembly, wherein the pin assembly of the anvil assembly includes:
a pair of retaining pins disposed on opposed sides of a central longitudinal slot defined through the tissue facing surface of the anvil plate, each retaining pin including a body positioned against the tissue facing surface and movable relative thereto;
and
a pair of retaining blocks secured to the anvil plate, wherein the pair of retaining pins are coupled to respective ones of the pair of retaining blocks;
and
an anvil buttress including a body disposed over the tissue facing surface, a proximal tab releasably coupled to the anvil assembly by the pin assembly, and a distal tab releasably coupled to the anvil tip, wherein the respective bodies of the pair of retaining pins hold the proximal tab of the anvil buttress against the tissue facing surface.

4 more elements

Dependencies are inferred from the claim text.

Anvil buttress attachment for surgical stapling apparatus

Life of this patent

Anvil buttress attachment for surgical stapling apparatus

Life of this patent

Abstract

Claims17