US 12,232,747 B2
Surgical instrument and surgical instrument system
Hironori Zaima, Toyonaka (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Appl. No. 17/413,864
Filed by KYOCERA Corporation, Kyoto (JP)
PCT Filed Dec. 24, 2019, PCT No. PCT/JP2019/050699
§ 371(c)(1), (2) Date Jun. 14, 2021,
PCT Pub. No. WO2020/138114, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-240743 (JP), filed on Dec. 25, 2018.
Prior Publication US 2022/0054145 A1, Feb. 24, 2022
Int. Cl. A61B 17/15 (2006.01); A61B 17/16 (2006.01); A61B 17/17 (2006.01)
CPC A61B 17/155 (2013.01) [A61B 17/151 (2013.01); A61B 17/152 (2013.01); A61B 17/154 (2013.01); A61B 17/1675 (2013.01); A61B 17/175 (2013.01); A61B 17/1764 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A surgical instrument for guiding an osteotomy instrument that resects one of posterior condyles of a femur, the surgical instrument comprising:
a spacer part comprising a first surface configured to abut on one of posterior condyles of a femur and having a predetermined thickness;
a guide part comprising a second surface that intersects the first surface of the spacer part and configured to abut on a distal end part of the femur, the guide part being connected to the spacer part; and
a guide slit through which an osteotomy instrument can be inserted, the guide slit penetrating the guide part along a direction parallel to the first surface, and comprising a first closed portion located on a left side of the guide slit and a second closed portion located on a right side of the guide slit, the guide slit including an entrance opening having a width and an exit opening including a width greater than the width of the entrance opening,
wherein the guide slit is open from the second surface to both right and left sides of the guide part.