Bone anchor for attaching a suture thread or ligament

A bone anchor for a suture thread or ligament, comprising:

• a main body extending along a longitudinal axis and having a fork-shaped end portion, said end portion being provided with a first and a second fork arm, each extending between a constrained end and a free end and spaced from each other by an axial slit for receiving a suture thread or ligament,
• wherein said first and second fork arms have, at their constrained ends, a transverse notch defining two axial retention shoulders for said suture thread or ligament,
• wherein said first and second arm have an “L” or “J” conformation.