US 12,150,663 B2
End tool of surgical instrument, and electrocauterization surgical instrument comprising same
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. 18/413,760.
Application 18/413,760 is a continuation of application No. PCT/KR2022/010390, filed on Jul. 15, 2022.
Claims priority of application No. 10-2021-0093831 (KR), filed on Jul. 16, 2021; and application No. 10-2021-0173270 (KR), filed on Dec. 6, 2021.
Prior Publication US 2024/0148397 A1, May 9, 2024
Int. Cl. A61B 17/285 (2006.01); A61B 17/28 (2006.01); A61B 17/29 (2006.01); A61B 18/14 (2006.01)
CPC A61B 17/285 (2013.01) [A61B 17/2812 (2013.01); A61B 17/29 (2013.01); A61B 18/1442 (2013.01)] 20 Claims
OG exemplary drawing
 
17. An end tool of a surgical instrument, the end tool comprising:
a first jaw and a second jaw that are rotatable independently from each other;
a first jaw pulley connected to the first jaw and formed to be rotatable about a first rotation shaft;
a second jaw pulley connected to the second jaw, formed to be rotatable about the first rotation shaft, and formed to be spaced a predetermined distance from the first jaw pulley;
a blade assembly that includes a blade moving between a proximal end and a distal end of the first jaw, and of which at least a part is formed between the first jaw pulley and the second jaw pulley; and
a blade wire of which at least a part is in contact with the blade assembly to transfer a driving force required to move the blade to the blade,
wherein when the first jaw pulley and the second jaw pulley rotate in the same direction about the first rotation shaft, a yaw motion in which the first jaw and the second jaw rotate in the same direction is performed.