Patent ID: 11957348
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. A loading unit comprising:
a staple cartridge assembly; and
an anvil assembly having a tissue facing surface defining a plurality of longitudinally-extending rows of staple forming pockets therein, the anvil assembly including a proximal end portion and a distal end portion, the proximal end portion of the anvil assembly including a hook and spring assembly located adjacent the staple forming pockets, the hook and spring assembly including a first arm having a proximal end anchored to the tissue facing surface and a distal end including a first finger and a second finger extending from the proximal end distally toward the staple forming pockets, the first and second fingers movable relative to the tissue facing surface, the hook and spring assembly configured to releasably retain a proximal end portion of an anvil buttress on the tissue facing surface.