US 11,696,761 B2
Firing drive arrangements for surgical systems
Frederick E. Shelton, IV, Hillsboro, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Mar. 25, 2019, as Appl. No. 16/363,070.
Prior Publication US 2020/0305870 A1, Oct. 1, 2020
Int. Cl. A61B 17/072 (2006.01); A61B 17/29 (2006.01); A61B 17/10 (2006.01); A61B 17/115 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 17/29 (2013.01); A61B 17/105 (2013.01); A61B 17/115 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01); A61B 2017/2905 (2013.01); A61B 2017/2926 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An end effector assembly for use with a surgical instrument, wherein said end effector assembly comprises:
a first jaw defining a channel therein;
a drive screw; and
a replaceable staple cartridge configured to be seated in said channel, wherein said replaceable staple cartridge comprises:
a proximal end;
a distal end;
a cartridge body comprising a cartridge deck;
a longitudinal slot extending between said proximal end and said distal end;
a first longitudinal row of staple cavities defined in said cartridge body, wherein said first longitudinal row of staple cavities is positioned alongside said longitudinal slot;
a second longitudinal row of staple cavities defined in said cartridge body, wherein said second longitudinal row of staple cavities is positioned alongside said first longitudinal row of staple cavities;
first staples positioned in said first longitudinal row of staple cavities;
second staples positioned in said second longitudinal row of staple cavities; and
a driver movable toward said cartridge deck within one of said staple cavities of said first longitudinal row and one of said staple cavities of said second longitudinal row during a staple firing stroke, wherein said driver is configured to support one of said first staples and one of said second staples, wherein said driver comprises an exterior wall facing toward said drive screw, wherein said exterior wall comprises an arcuate portion, and wherein said drive screw extends through said arcuate portion.