OCSI Static Air ROM Knee Orthosis Large Oxygen Conserver Concentrators 75 Weight Capacity: 350 lbs 413116 75 Weight Capacity: 350 lbs Head Foot Bed: Ends and Casters: 38 x 7 Treats mild moderate knee flexion contracture by applying low load prolonged stretch * Adjustable air bladders behind the knee conform to angle of the joint * Removable static setting hinge * ROM flexion and extension stop hinges * Gel knee pad and cuffs included * Antibacterial shear reducing fabric helps protect skin and limit odor * Fits left or right * Suggested code: L1847 * Sizing: Measure circumference 4 1 2 above and 4 below mid patella * Thigh cuff circumference: 18 22 * Thigh cuff circumference: 15 19 * Dynamic knee has traditional goniometer style hinge instead of KWIK SET hinge *