Patent ID: 7481785

Claim:
An articulated joint for a knee brace to control femoral-patellar instability, comprising: a patellar bracket designed to be fixed to the patella area, the patellar bracket including a sliding cursor support; a first shaped central p 1 ate; a second shaped central plate opposite the first plate for resting against the side of the knee, the second plate being thicker than the first plate and having a housing passing transversally through the second plate, wherein the housing accommodates the sliding cursor support of the patellar bracket; a femoral upright having an end inserted between the first and second plate, wherein the second plate is hinged on a pin on an inner sector of the end of the femoral upright; and a specially shaped lever having an upper end and a lower end, the upper end of the lever being hinged on a rotation center corresponding to the pin on the femoral upright, the lower end elbow-shaped and curved towards the inside of the knee brace, the lower end including a slot also elbow-shaped, intercepted by a pin integral with the sliding cursor support of the patellar bracket.