A prosthetic ligament for replacing a natural articular ligament, comprising a first intraosseous end part, called the tibial end part, and a second intraosseous end part, called the femoral end part, the two intraosseous end parts surrounding an intraarticular central part, characterized in that the first intraosseous end part is in the form of two cylindrical strands, and in that the second intraosseous end part forms a loop connected to the first intraosseous end part via the intraarticular central part, which is composed of at least two bundles of technical filaments, each of the bundles being connected to the first intraosseous end part at one end of its ends and to the second intraosseous end part at the other of its ends.
