US 12,383,417 B2
Knee joint guide apparatus
Yoon Young Kim, Seoul (KR); Jeonghan Yu, Seoul (KR); and Seok Won Kang, Seoul (KR)
Assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul (KR)
Filed by Seoul National University R&DB Foundation, Seoul (KR)
Filed on Aug. 25, 2022, as Appl. No. 17/896,052.
Claims priority of application No. 10-2021-0113279 (KR), filed on Aug. 26, 2021.
Prior Publication US 2023/0073133 A1, Mar. 9, 2023
Int. Cl. A61F 5/01 (2006.01)
CPC A61F 5/0123 (2013.01) [A61F 2005/0144 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A knee joint guide apparatus comprising:
a proximal body link configured to be provided above a knee joint;
a distal body link configured to be provided at a location corresponding to the proximal body link below the knee joint; and
a planar rigid body 6-bar linkage mechanism including a plurality of revolute joints and a plurality of prismatic joints, and a plurality of links between the proximal body link and the distal body link configured to output a mechanical advantage depending on a flexion angle of the knee joint in movement of the knee joint with a self-alignment function.