US 12,089,847 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. 16, 2024, as Appl. No. 18/414,162.
Application 18/414,162 is a continuation of application No. 18/579,795, previously published as PCT/KR2022/010382, filed on Jul. 15, 2022.
Claims priority of application No. 10-2021-0093833 (KR), filed on Jul. 16, 2021.
Prior Publication US 2024/0225644 A1, Jul. 11, 2024
Int. Cl. A61B 17/072 (2006.01); A61B 34/00 (2016.01)
CPC A61B 17/07207 (2013.01) [A61B 34/71 (2016.02); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surgical instrument comprising:
an end tool comprising:
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 that is 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 comprising a first staple pulley and a second staple pulley formed adjacent to the first jaw pulley or the second jaw pulley; and
a cartridge comprising:
a reciprocating assembly that is connected to the staple drive assembly, and is linearly moved when the first staple pulley and the second staple pulley are 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.