US 12,245,764 B2
Shaft assembly comprising a lockout
Mark D. Overmyer, Cincinnati, OH (US); Jeffrey S. Swayze, West Chester, OH (US); Andrew T. Beckman, Cincinnati, OH (US); Robert L. Koch, Jr., Cincinnati, OH (US); Frederick E. Shelton, IV, Hillsboro, 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 Nov. 1, 2021, as Appl. No. 17/516,091.
Application 17/516,091 is a continuation of application No. 16/686,999, filed on Nov. 18, 2019, granted, now 11,191,543.
Application 16/686,999 is a continuation of application No. 15/385,894, filed on Dec. 21, 2016, granted, now 10,492,785, issued on Dec. 3, 2019.
Prior Publication US 2022/0054130 A1, Feb. 24, 2022
Int. Cl. A61B 17/072 (2006.01); A61B 17/00 (2006.01); A61B 17/29 (2006.01); A61B 34/00 (2016.01); A61B 34/30 (2016.01); A61B 34/37 (2016.01); A61B 90/00 (2016.01)
CPC A61B 17/07207 (2013.01) [A61B 17/072 (2013.01); A61B 34/30 (2016.02); A61B 34/37 (2016.02); A61B 34/71 (2016.02); A61B 2017/00017 (2013.01); A61B 2017/00367 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00407 (2013.01); A61B 2017/0046 (2013.01); A61B 2017/00464 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/07228 (2013.01); A61B 2017/0725 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07264 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07278 (2013.01); A61B 2017/07285 (2013.01); A61B 2017/2902 (2013.01); A61B 2017/2912 (2013.01); A61B 2017/2923 (2013.01); A61B 2017/2927 (2013.01); A61B 2017/2929 (2013.01); A61B 2017/2936 (2013.01); A61B 2017/2946 (2013.01); A61B 2034/302 (2016.02); A61B 2090/0808 (2016.02); A61B 2090/0814 (2016.02); A61B 2090/0818 (2016.02)] 5 Claims
OG exemplary drawing
 
1. A stapling attachment for use with a surgical system, said stapling attachment comprising:
a staple cartridge, comprising:
a cartridge body including staple cavities;
staples removably stored in said staple cavities; and
a sled movable between an unfired position and a fired position during a firing stroke to eject said staples from said staple cavities;
an end effector, comprising:
a cartridge channel configured to receive said staple cartridge and including a longitudinal slot having an upper cam surface;
an anvil configured to deform said staples and including a longitudinal slot having a longitudinally curved bottom cam surface; and
a lock spring;
a firing member, comprising:
a cutting edge configured to cut the tissue of a patient during said firing stroke;
a first cam member configured to engage said upper cam surface of said longitudinal slot of said cartridge channel during said firing stroke; and
a second cam member configured to engage said longitudinally curved bottom cam surface of said longitudinal slot of said anvil during said firing stroke; and
a lock rotatable between an unlocked position and a locked position, wherein said sled is configured to rotate said lock from said locked position to said unlocked position when said staple cartridge is seated in said cartridge channel and said sled is in said unfired position, and wherein said lock is rotatable from said unlocked position to said locked position by said lock spring when either said staple cartridge is not in said cartridge channel or said sled is not in said unfired position, wherein a portion of said lock enters a lockout notch when said lock is biased by said lock spring into said locked position and wherein a distal shoulder of said lock is supported by a proximal ledge of the sled when said lock is in said unlocked position and is located over said lockout notch.