US Patent 11931039 Surgical buttress loading and attaching/detaching assemblies

A surgical stapling system includes a surgical stapling apparatus and a staple cartridge surgical buttress assembly. The surgical stapling apparatus includes a handle assembly, an elongate tubular body extending distally from the handle assembly, and an end effector extending distally from the elongate tubular body. The end effector includes an anvil assembly and a staple cartridge assembly. The staple cartridge surgical buttress assembly includes a surgical buttress and a leash. The surgical buttress includes a body having an annular configuration and legs extending from the body. The body is positioned against a tissue facing surface of the staple cartridge assembly and the legs are positioned against a housing of the staple cartridge assembly. The leash is threaded through at least one of the legs and extends proximally from the surgical buttress towards the handle assembly.