United Orthopedic

United Orthopedic U-Motion II Cup 8 9 LinerTrial Reduction Instruments E. After securing the prosthetic cup into the acetabular cavity, introduce a size-matched Acetabular Liner Trial for trial reduction. Make sure the orientation of the liner trial if a 20° lipped liner is desired. Ensure the liner trial is well placed within the cup before an overall evaluation of joint biomechanics. Following acetabular and femoral preparations, the trial reduction can be carried out. Trial heads with 28 mm, 32 mm, 36 mm, and 40 mm (ceramic only) diameters are available options for surgeons to select an optimized size, which corresponds to the implanted acetabular cup. Femoral heads with different neck length are also available for surgeons to make a proper determination and to revalidate preoperative decision. After final trial reduction, assessment of joint stability, range-of-motion, leg length, and component size can be accomplished. Acetabular Liner Trial Acetabular Liner Trial, 20° Grasp the screw with the U-M ll Screw Forceps . Attach the flexible Universal Screwdriver to the screw head, then insert the screw using the Ratchet Handle . Care should also be taken to confirm the screw is fully seated within the screw hole without damaging the liner. Instruments Cup Insertion D. Ratchet Handle U-M ll Screw Forceps Universal Screwdriver Surgical tip: Run finger around the edge of dome holes to verify inserted screws are below the inner surface of the cup.