Elite Genu Adjustor (Opp4021)Features: Total Open Design: The open design minimizes wrapping and product weight, which helps vent heat and reduces discomfort from prolonged wear and also makes it easier to monitor the wound healing process. Sliding fit Angle Controller: The special hinge design can be quickly locked into place through sliding fit locks, which greatly increase the ease of operation. The angle controller can be locked at flexion angles of 10 to 120 and extension