US 12,310,587 B2
Composite interconnected anvil for medical stapler
Frederick E. Shelton, IV, Hillsboro, OH (US)
Assigned to CILAG GMBH INTERNATIONAL, Zug (CH)
Filed by CILAG GMBH INTERNATIONAL, Zug (CH)
Filed on Nov. 7, 2023, as Appl. No. 18/503,731.
Prior Publication US 2025/0143700 A1, May 8, 2025
Int. Cl. A61B 17/072 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/07264 (2013.01); A61B 2017/07285 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A medical stapler anvil comprising:
an anvil pocket beam with an anvil pocket beam stiffness, the anvil pocket beam comprising:
an anvil pocket beam stiffness;
a plurality of staple forming pockets; and
an anvil pocket beam moment of inertia;
an anvil back beam fixedly attached to the anvil pocket beam, comprising:
an anvil back beam stiffness approximately equal to the anvil pocket beam stiffness;
a crown disposed opposite the plurality of staple forming pockets; and
an anvil back beam moment of inertia approximately equal to the anvil pocket beam moment of inertia; and
a composite moment of inertia comprising the anvil pocket beam moment of inertia and the anvil back beam moment of inertia and comprising a range of 0.000015 to approximately 0.000035 in4.