US 12,349,910 B2
Surgical staple cartridge for supporting surgical buttress material
Roanit Fernandes, Hamden, CT (US); Suresh Kumar Prema Mohanasundaram, Cheshire, CT (US); Jitendra Bhargava Srinivas, Hyderabad (IN); and Matthew J. Chowaniec, Madison, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Feb. 28, 2024, as Appl. No. 18/589,980.
Application 17/679,162 is a division of application No. 16/748,899, filed on Jan. 22, 2020, granted, now 11,272,937, issued on Mar. 15, 2022.
Application 18/589,980 is a continuation of application No. 17/679,162, filed on Feb. 24, 2022, granted, now 11,918,218.
Prior Publication US 2024/0197319 A1, Jun. 20, 2024
Int. Cl. A61B 17/072 (2006.01); A61B 17/04 (2006.01); A61B 17/00 (2006.01); A61B 17/06 (2006.01)
CPC A61B 17/07292 (2013.01) [A61B 17/0467 (2013.01); A61B 2017/00004 (2013.01); A61B 2017/0409 (2013.01); A61B 2017/0618 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07278 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An end effector for use with a surgical stapler comprising:
an anvil assembly;
a staple cartridge receiving channel movable relative to the anvil assembly between an approximated position and a spaced apart position; and
a staple cartridge assembly selectively receivable in the staple cartridge receiving channel, the staple cartridge assembly defining a plurality of retention slots and a longitudinally extending central knife slot, the staple cartridge assembly including:
a plurality of staples, wherein each of the plurality of staples is disposed in a respective one of the plurality of retention slots;
a plurality of pushers configured to eject the plurality of staples through the respective plurality of retention slots;
an actuation sled configured for movement along a length of the staple cartridge assembly to sequentially engage the plurality of pushers to eject the plurality of staples through the respective plurality of retention slots, the actuation sled including:
a first knife blade supported on the actuation sled; and
a second knife blade pivotably connected to the actuation sled, the second knife blade being located proximal of the first knife blade.