US 12,329,380 B2
End tool of surgical instrument, and surgical instrument comprising same
Jaeyeong Lee, Seongnam-si (KR); Junghwan Kim, Seongnam-si (KR); Jung Joo Lee, Seongnam-si (KR); Heejin Kim, Seongnam-si (KR); and Dongkyu Jang, Seongnam-si (KR)
Assigned to LIVSMED INC., Seongnam-si (KR)
Filed by LIVSMED INC., Seongnam-si (KR)
Filed on Jan. 4, 2024, as Appl. No. 18/403,718.
Application 18/403,718 is a continuation of application No. 18/288,002, previously published as PCT/KR2022/005795, filed on Apr. 22, 2022.
Claims priority of application No. 10-2021-0053353 (KR), filed on Apr. 23, 2021; and application No. 10-2021-0055322 (KR), filed on Apr. 28, 2021.
Prior Publication US 2025/0072893 A1, Mar. 6, 2025
Int. Cl. A61B 17/072 (2006.01); A61B 17/00 (2006.01); A61B 34/30 (2016.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/00367 (2013.01); A61B 34/30 (2016.02)] 22 Claims
OG exemplary drawing
 
1. A surgical instrument comprising:
an end tool including:
a first jaw;
a second jaw formed to face the first jaw;
a first jaw pulley coupled to the first jaw and formed to be rotatable around a first shaft;
a second jaw pulley coupled to the second jaw, formed to be rotatable around a shaft substantially the same as or parallel to the first shaft, and formed to be spaced apart from the first jaw pulley by a certain extent; and
a staple drive assembly including a staple pulley at least partially formed between the first jaw pulley and the second jaw pulley; and
a cartridge including;
a reciprocating assembly that is connected to the staple drive assembly, and linearly moved when the staple pulley is rotationally moved; and
an operation member that is brought into contact with the reciprocating assembly, and is moved in one direction by the reciprocating assembly when the reciprocating assembly is moved in the one direction.