US 9,808,248 B2
Installation features for surgical instrument end effector cartridge
Douglas B. Hoffman, Harrison, OH (US)
Assigned to Ethicon LLC, Guaynabo, PR (US)
Filed by Ethicon Endo-Surgery, Inc., Cincinnati, OH (US)
Filed on Feb. 28, 2013, as Appl. No. 13/780,417.
Prior Publication US 2014/0239044 A1, Aug. 28, 2014
Int. Cl. A61B 17/068 (2006.01); A61B 17/072 (2006.01); A61B 17/00 (2006.01); A61B 17/29 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/00398 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/2927 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An end effector, comprising:
(a) a staple cartridge, wherein the staple cartridge comprises:
i. a cartridge body, and
ii. a lower cartridge tray,
wherein one or both of the cartridge body or the lower cartridge tray comprises at least one proximally presented protrusion engagement feature;
(b) a jaw, wherein the jaw comprises:
i. a channel comprising first and second spaced apart interior surfaces and a base extending therebetween, wherein the channel is configured to receive the staple cartridge, and
ii. at least one protrusion, wherein the at least one protrusion laterally extends from one of the interior surfaces into the channel, wherein the at least one protrusion lies directly over and is spaced apart from the base thereby forming a gap between the at least one protrusion and the base, wherein the gap extends from a bottom surface of the at least one protrusion to a top surface of the base in a direction normal to one or both of the bottom surface of the at least one protrusion or the top surface of the base, wherein the at least one protrusion is positioned to align with the at least one protrusion engagement feature when the staple cartridge and jaw are coupled together, wherein the at least one protrusion and the at least one protrusion engagement feature are configured to restrict movement of the staple cartridge; and
(c) an anvil, wherein the anvil is coupled to the jaw, wherein the anvil is movable relative to the jaw.