Corentec Co., Ltd.

Yong In

Chan-Eol Kim

Young-Woong Jang

Myung-Chul Lee

Ah-Reum Han

Jae-Hun Ro

Seung-Beon Han

An artificial knee joint includes a tibial component implanted into the proximal end of a tibia, and a bearing component coupled to the tibial component, in which the tibial component includes an interference prevention portion capable of preventing interference with the bearing component when the bearing component is inserted diagonally and the bearing component includes a protrusion coupled to the interference prevention portion.

Artificial knee joint

A knee joint implant that prevents hyperextension includes a femoral component having an anterior surface with reference to the lowermost point of a convex condyle, the anterior surface being configured to have different curvature radii in respective sections thereof, and a bearing component having an anterior surface with reference to the lowermost point of a concave articular surface, the anterior surface being configured to have different curvature radii in respective sections, so that when an extended knee is about to be hyperextended, the convex condyle of the femoral component slides toward the anterior side and is brought into contact with a plurality of points of the concave articular surface of the bearing component, thereby producing resistance so as to suppress hyperextension exceeding a design range due to behavioral habits, a decrease in muscle mass, and the like of the patient.

Knee joint implant preventing hyperextension

Growing community of inventors

Seoul, South Korea

Yong In