Mesenchymal stem cells and collagen patches for anterior cruciate ligament repair

Figure 1 Dynamic intraligamentary stabilization screw called Ligamys^© (Mathys, inc. Bettlach, Switzerland). A: Close-up of the outside of the screw made of titanium and illustrating with a mounted lace which mimics the polyethylene string that is mounted in the real surgery to stabilize the knee joint in case of an ACL rupture; B: Inside of the dynamic fixation screw with the spring that takes the dynamic load of the ACL and stabilizes the joint; C: Illustration of the exact position of the dynamic intraligamentary stabilization in situ in the knee joint. ACL: Anterior cruciate ligament.