United Orthopedic

United Orthopedic U2 MB Knee Onset Patellar Preparation Patellar Resection Clamp Onset Patellar Resection Guide Instruments J. Patella Sizing and Bone Resection When the onset patellar component is chosen, assemble the Onset Patellar Resection Guide to the Patellar Resection Clamp . Use the stylus on the bottom of Onset Patellar Resection Guide to check if the remained patellar thickness exceeds 10 mm. Onset Patellar Component Size XS S M L XL XXL EL Thickness 7 8 8.5 9 9.5 10 10.5 Diameter 26 29 32 35 38 41 44 Unit : mm Diameter Thickness Onset Patellar Preparation J. Patellar Resection Clamp Onset Patellar Resection Guide Onset Patellar Drill Guide Onset Patellar Peg Drill Onset Patellar Trial Instruments Clamp the patella tight and place the saw blade into the slot of the clamp and resect the patella until the showing subchondral bone. Then choose the appropriate size Onset Patellar Drill Guide , and drill three peg holes with the Onset Patellar Peg Drill completing the onset patellar preparation. Place the Onset Patellar Trial in place and confirm the restored patellar AP thickness. 35 36