Patent ID: 11896223
Assignee: CILAG GMBH INTERNATIONAL
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. A surgical instrument, comprising:
(a) a housing;
(b) a shaft extending from said housing;
(c) an articulation joint;
(d) an end effector rotatably connected to said shaft about said articulation joint, wherein said end effector comprises:
(1) an elongate channel configured to operably support a staple cartridge including staples removably stored therein; and
(2) an anvil rotatable relative to said elongate channel between an open position and a closed position about a pivot axis, and wherein said anvil comprises a longitudinal slot and a cavity oriented transverse to said longitudinal slot; and

(e) a firing member configured to be distally advanced through a firing stroke in response to a rotary motion, wherein said staples of said staple cartridge are configured to be deformed against said anvil during said firing stroke, and wherein said firing member comprises:
(1) a distal portion comprising an upper cam, a lower cam, and a cutting portion positioned intermediate said upper cam and said lower cam, wherein said upper cam is configured to engage said anvil during said firing stroke, and wherein said lower cam is configured to engage said elongate channel during said firing stroke; and
(2) a proximal portion extending proximally from said distal portion into said shaft, wherein said proximal portion comprises a bar segment extending proximally from said upper cam of said distal portion, wherein a portion of said bar segment is configured to bend distal to the articulation joint and into said cavity of said anvil during said firing stroke.