options for hemi hip arthroplasty. These systems are easy to use and can be paired with any Encore® stem. Bipolar. Bipolar Heads (Modular insert packaged with shell) FMP® Modular CoCr Femoral Heads; The Bipolar features a modular snapfit design utilizing 22mm modular femoral heads in the 42mm and 43mm sizes, and 28mm in sizes 4464mm sizes. Unipolar
The Bipolar II™ Hip System and instruments are designed and manufactured exclusively by United Orthopedic Corporation. The onepiece Bipolar II™ Hip System assembly is available in precise, 1 mm increments to facilitate a precise acetabular fit that accommodates a wide range of patients.