US 11,944,310 B2
Non-circular end effector features for surgical stapler
Frederick E. Shelton, IV, Hillsboro, OH (US); Gregory J. Bakos, Mason, OH (US); Shannon L. Jones, Cincinnati, OH (US); and Jason L. Harris, Lebanon, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Aug. 13, 2021, as Appl. No. 17/401,430.
Prior Publication US 2023/0045940 A1, Feb. 16, 2023
Int. Cl. A61B 17/115 (2006.01); A61B 17/072 (2006.01); A61B 17/11 (2006.01)
CPC A61B 17/1155 (2013.01) [A61B 2017/07228 (2013.01); A61B 2017/07264 (2013.01); A61B 2017/07285 (2013.01); A61B 17/1114 (2013.01); A61B 2017/1132 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A surgical instrument comprising:
(a) a stapling assembly including:
(i) a housing extending distally along a central axis,
(ii) a deck member having a plurality of staple openings configured to receive a plurality of staples, wherein the deck member includes an exterior perimeter having a first elongate shape and an interior perimeter enclosed by the exterior perimeter and having a second elongate shape different than the first elongate shape, wherein the first elongate shape includes a pair of arcuate end portion and defines a longitudinal axis that extends through the arcuate end portions and intersects the central axis, and
(iii) a knife member at least partially disposed within the housing, wherein a distal end of the knife member includes a cutting edge defining an edge plane that intersects the central axis, wherein the cutting edge has a non-circular shape in the edge plane; and
(b) an anvil configured to selectively couple with the stapling assembly to compress tissue and form staples in the tissue.