US 12,290,331 B2
Instrument for surgery
Jung Joo Lee, Yongin-si (KR); and Hee Jin Kim, Seongnam-si (KR)
Assigned to LIVSMED INC., Seongnam-si (KR)
Filed by LIVSMED INC., Seongnam-si (KR)
Filed on Nov. 1, 2024, as Appl. No. 18/934,919.
Application 18/934,919 is a continuation of application No. 18/651,061, filed on Apr. 30, 2024.
Application 18/651,061 is a continuation of application No. 17/959,140, filed on Oct. 3, 2022, granted, now 11,998,295, issued on Jun. 4, 2024.
Application 17/959,140 is a continuation of application No. 16/898,917, filed on Jun. 11, 2020, granted, now 11,510,746, issued on Nov. 29, 2022.
Application 16/898,917 is a continuation of application No. 15/551,651, granted, now 10,722,315, issued on Jul. 28, 2020, previously published as PCT/KR2016/001582, filed on Feb. 17, 2016.
Claims priority of application No. 10-2015-0024304 (KR), filed on Feb. 17, 2015.
Prior Publication US 2025/0057620 A1, Feb. 20, 2025
Int. Cl. A61B 34/00 (2016.01); A61B 17/00 (2006.01); A61B 17/29 (2006.01)
CPC A61B 34/71 (2016.02) [A61B 17/00234 (2013.01); A61B 17/2909 (2013.01); A61B 2017/00323 (2013.01); A61B 2017/00424 (2013.01); A61B 2017/00438 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/00738 (2013.01); A61B 2017/2904 (2013.01); A61B 2017/2908 (2013.01); A61B 2017/291 (2013.01); A61B 2017/2911 (2013.01); A61B 2017/2923 (2013.01); A61B 2017/294 (2013.01); A61B 2017/2944 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An end tool of a surgical instrument, the end tool comprising:
a first jaw and a second jaw configured to rotate independently;
a J11 pulley coupled to the first jaw and configured to rotate around a first axis formed at an end tool hub;
a J16 pulley formed at one side of the J11 pulley and configured to rotate around a second axis formed at one side of the first axis;
a J12 pulley and a J14 pulley formed at one side of the J16 pulley, and configured to rotate around a third axis formed at a predetermined angle with the first axis and formed at one side of the end tool hub;
a J21 pulley coupled to the second jaw and configured to rotate around an axis that is substantially identical to or parallel to the first axis;
a J26 pulley formed at one side of the J21 pulley and configured to rotate around a fourth axis formed at one side of the first axis; and
a J22 pulley and a J24 pulley formed at one side of the J26 pulley and configured to rotate around an axis that is substantially identical to or parallel to the third axis,
wherein a connector hub is configured to rotate around the third axis with respect to the end tool hub at one side of the end tool hub,
the J12 pulley, the J14 pulley, the J22 pulley, and the J24 pulley are formed on a common axis of the end tool hub and the connector hub,
at the connector hub,
a J13 pulley and a J15 pulley are configured to rotate around an axis substantially parallel to the third axis, and
a J23 pulley and a J25 pulley are configured to rotate around the axis substantially parallel to the third axis,
a first jaw wire is configured to at least partially contact the J13 pulley, the J12 pulley, the J11 pulley, the J16 pulley, the J14 pulley, and the J15 pulley,
a second jaw wire is configured to at least partially contact the J23 pulley, the J22 pulley, the J21 pulley, the J26 pulley, the J24 pulley, and the J25 pulley,
the first jaw wire is configured to pass between the J12 pulley and the J13 pulley, and
the second jaw wire is configured to pass between the J22 pulley and the J23 pulley.